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`UNITED STATES PATENT AND TRADEMARK OFFICE
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`_______________________________
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`BEFORE THE PATENT TRIAL AND APPEAL BOARD
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`_______________________________
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`AVAYA INC., DELL INC., SONY CORPORATION OF AMERICA,
`and HEWLETT-PACKARD CO.
`Petitioners
`
`v.
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`NETWORK-1 SECURITY SOLUTIONS, INC.
`Patent Owner
`____________________
`
`CASE IPR2013-00071
`U.S. Patent No. 6,218,930
`____________________
`
`Before the Honorable Joni Y. Chang, Justin T. Arbes, and Glenn J. Perry
`____________________
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`OPPOSITION TO PATENT OWNER’S MOTION TO AMEND
`UNDER 37 C.F.R. § 42.121
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`Opposition to Patent Owner’s Motion to Amend
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`IPR2013-0071
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`I.
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`II.
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`TABLE OF CONTENTS
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`Introduction ...................................................................................................... 1
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`Requirement 1: Amendments Fail To Distinguish Prior Art Of Record ........ 2
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`A.
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`B.
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`The “Ethernet Amendments” Fail To Distinguish Ground 2 ................ 2
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`The “Determining Step” Fails To Distinguish Ground 1 ...................... 3
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`III. Requirement 2: The Amendments Fail To Distinguish Other Known Prior
`Art—Both Of Record And Not Of Record ...................................................... 8
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`A.
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`B.
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`C.
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`Failure to Consider Woodmas ............................................................... 9
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`Failure to Consider Known Ethernet-Related Prior Art......................11
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`Failure to Consider Other Highly Relevant Known Prior Art ............12
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`IV. Claims 10 and 11 Would Be Unpatentable Over Ground 2 (Matsuno And De
`Nicolo) In View Of Either Woodmas Or Chang ...........................................12
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`V.
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`Impermissable Broadening/ Lack of Written Description Support ...............13
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`A.
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`B.
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`Requirement 3 – An Intentional Broadening Violation ......................13
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`Lack of an Adequate Written Description ..........................................14
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`VI. Requirement 4: Failure To Address Basic Knowledge and Skill Set ...........15
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`VII. Conclusion .....................................................................................................15
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`Opposition to Patent Owner’s Motion to Amend
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`I.
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`Introduction
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`IPR2013-0071
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`The Board should deny a motion to amend unless it:
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`(1) shows that the added feature(s) distinguish the prior art of record;
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`(2) shows that the added feature(s) distinguish other known prior art;
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`(3) ensures that no claim is broadened in any way; and
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`(4) addresses the basic skill level in the art.
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`Regarding the first and second requirements, the patent owner bears the
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`burden of: “com[ing] forward with technical facts and reasoning about those
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`[added] feature(s), including construction of new claim terms, sufficient to
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`persuade the Board that the proposed substitute claim is patentable over the prior
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`art of record, and over the prior art not of record but known to the patent
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`owner.” Idle Free Systems, Inc. v. Bergstrom, Inc., IPR2012-00026, Paper 26 at p.
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`7 (emphasis added).
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`Network-1’s claim 10 proposes the following two amendments:
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`• to specify that the data network and data node used in the method are
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`“Ethernet” components ( “Ethernet amendments”); and
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`• to add a step of “determining whether the access device is capable of
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`accepting remote power based on the sensed voltage” (“determining step”).
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`For the “Ethernet amendments,” Network-1 offers no argument to
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`distinguish Ground 2 (De Nicolo in view of Matsuno). And, Network-1 fails to
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`1
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`address how or why the “Ethernet amendments” are not obvious over Ground 1
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`(Matsuno).
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`For the “determining step,” Network-1’s argument: (1) hinges on an
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`improper construction of the phrase “capable of accepting,” which lacks support in
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`the ’930 patent; and (2) attempts to shift the focus away from the added step, and
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`onto other limitations of claim 6—admitting that the added step was known.
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`Regarding the third requirement, the “determining step” broadly recites
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`“voltage” instead of the “sensed” narrower feature of “voltage level.” This scope
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`change, which Dr. Knox, agrees was not a mistake, impermissibly broadens the
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`claim. Moreover, there is not an adequate written description to conclude that the
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`inventors had possession of the broader invention.
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`Finally, regarding the fourth requirement, Network-1 fails to even
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`acknowledge the basic skill level despite warnings from the Board that motions
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`which fail to specifically consider skill level are unlikely to be successful.
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`Because Network-1’s Motion fails to satisfy each or even any of the
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`requirements, along with 35 U.S.C. § 112, ¶ 1, it must be denied.
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`II. Requirement 1: Amendments Fail To Distinguish Prior Art Of Record
`The “Ethernet Amendments” Fail To Distinguish Ground 2
`A.
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`Network-1’s Motion wrongly contends that “each proposed amendment
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`directly responds to the two grounds of unpatentability.” Motion at 8. Its Motion,
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`2
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`however, makes no showing how the “Ethernet amendments” distinguish Ground
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`2. In fact, Dr. Knox agrees the “Ethernet amendments” do nothing to overcome it:
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`Depo. Transcript of Knox (AV-1028)(“Knox Dep.”) at 143:10-20; see also Second
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`Declaration of Dr. Zimmerman (AV-1041) (“2nd Zim. Decl.”) at ¶¶ 68-70
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`(concurring that De Nicolo is Ethernet-based).
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`Thus, Network-1’s Motion should be denied in toto for failing to distinguish
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`Ground 2. Alternatively, the “Ethernet amendments” must be stricken.
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`B.
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`The “Determining Step” Fails To Distinguish Ground 1
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`Matsuno does exactly what Network-1 proposes to add —namely, it
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`determines whether the access device will be able to accept applied remote power
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`based on sensing a particular voltage condition on the data signaling pair.
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`1. Proper Construction of “capable of accepting”
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`Under the broadest reasonable interpretation (BRI) standard, the phrase
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`“capable of accepting” means the access device is able to accept remote power at
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`that time. While Network-1 merely pays lip service to the BRI standard (see
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`Motion at n. 4), when asked, Dr. Knox applied a narrower definition in an attempt
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`to distinguish Matsuno:
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`Knox Dep., at 118:4-16.
`If Network-1 intended “capable of accepting” to mean capable of being
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`operated without harm, it should have proposed that particular language. But it did
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`not do so, and has failed to support how the ordinary and customary meaning of
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`“capable of accepting” can mean operating the device without harm.
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`Implicit, however, in the Motion is an alternative construction based on how
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`an access device may be designed. Namely, Network-1 attempts to limit—through
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`argument—the construction of “capable of accepting” to mean an access device
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`4
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`originally designed to accept remote power, whether or not the device has the
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`ability to actually receive remote power at any given time. See Motion at 13; see
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`also Declaration of Dr. James Knox (N1-2015) (“Knox Decl.”) at ¶¶ 187 & 213.
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`That construction, which is much narrower than the broadest reasonable one, is
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`inconsistent with the teachings of the ’930 patent, as described below. Again, if
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`Network-1 intended “capable of accepting” to mean designed to accept, it should
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`have proposed that language.
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`The proper broadest reasonable ordinary and customary meaning of the
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`phrase “capable of accepting” is that the access device is able to accept the remote
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`power at that time. See 2nd Zim. Decl. at ¶¶ 76-82. That is, the determination that
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`a device is “capable of accepting” must be that the access device, including the
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`connection to that device, are in such a state that the remote power would be
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`received if applied. See id. This is because, as Dr. Zimmerman previously
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`testified, the “only thing the power-sourcing equipment can see is the combination
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`of the line and the remote device.” Deposition Transcript of Dr. Zimmerman (N1-
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`2016) (“Zim. Dep.”) at 22:6-22:16 (emphasis added). This construction is
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`consistent with the teachings of the ’930 patent, which, significantly, does not
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`teach any way in which to detect if a device was designed to accept power or if the
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`device would be harmed by such power, irrespective of whether it can actually
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`currently receive that power at the time. See 2nd Zim. Decl. at ¶¶ 76-82.
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`5
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`In the ’930 patent, if a particular voltage condition (sawtooth varying
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`voltage) is seen, it is assumed that the access device is capable of accepting remote
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`power. That voltage condition would simply not be produced, however, if the
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`access device were in a state where it was unable to receive power (e.g., device or
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`line failure)—irrespective of how it was designed. See 2nd Zim. Decl. at ¶ 80; see
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`also Knox Dep. at 120:3-122:6; 125:2-126:5. Dr. Knox agrees that the proposed
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`“determining step” inherently includes considering the ability of the device to
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`accept remote power at the time the determination is made, which is precisely
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`what Matsuno does. See Knox Dep. at 120:3-122:6; 125:2-126:5.
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`2. Matsuno Operates In The Same Way
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`Contrary to Network-1’s characterization, Matsuno does not automatically
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`apply operating power via the high voltage source V1 once an access device is
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`connected. In that sense, Matsuno is not limited to “captive” devices, as Network-
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`1 uses that term, since power is selectively applied to only those devices that need
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`it and can receive it. Rather, Matsuno looks for a particular voltage condition on
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`the line that is indicative of the fact that the NT1/DTE needs power and is capable
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`of actually accepting power at that particular point in time. See 2nd Zim. Decl. at
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`¶¶ 83-90; see also Zim. Dep. at 44:5-8. Dr. Knox confirmed: (i) that Matsuno’s
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`DTE is unable to receive the remote power when the breakers 8 are open (voltage
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`condition not satisfied), but is able to receive remote power when the breakers are
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`6
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`closed and a DC loop is formed (voltage condition satisfied), (ii) that Matsuno
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`applies the high voltage power V1 in response to detecting the particular voltage
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`condition on the line, and (iii) that the particular voltage condition occurs only
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`when local power is lost and the breakers 8 are closed. Knox Dep. at 127:6-128:7;
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`129:6-129:13; 130:5-130:8; 131:6-132:8.
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`Thus, by looking for and responding to a particular voltage condition on the
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`data signaling pair, Matsuno determines that the access device is capable of
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`accepting remote power based on the sense voltage. And while Matsuno may not
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`independently detect whether or not the NT1/DTE was originally designed to
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`accept remote power, neither does the ’930 patent.
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`Put simply, the ’930 patent only describes a method that looks to “see” if
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`one of three voltage conditions occurs: Condition A of a varying voltage level, in
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`which case it assumes operational power can be supplied; and Condition B of a
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`fixed voltage level drop, or Condition C of no voltage level drop, in which cases it
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`assumes no operational power is to be supplied. In the same way, Matsuno looks
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`to “see” if one of three voltage conditions occurs: Condition A of exceeding a set
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`voltage, in which case it assumes operational power is to be supplied; and
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`Condition B of an open circuit voltage, or Condition C of exceeding a second,
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`higher set voltage, in which cases it assumes no operational power is to be supplied
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`See 2nd Zim. Decl. at ¶¶ 85-89. Matsuno therefore “determines whether the access
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`device is capable of accepting remote power based on the sensed voltage” no
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`differently than in the ’930 patent.
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`In sum, Network-1’s arguments concerning patentability of the “determining
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`step” are not commensurate with its claim scope. The arguments implicitly add
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`limitations having no basis in the actual claim language. See In re Morris, 127 F.
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`3d 1048, 1054-55 (Fed. Cir. 1997).
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`III. Requirement 2: The Amendments Fail To Distinguish Other Known
`Prior Art—Both Of Record And Not Of Record
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`Aside from Matsuno and DeNicolo, only one reference —the Chang
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`reference included in Avaya’s original Petition— is mentioned in the Motion.
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`Thus, not a single prior art reference not already of record in this Proceeding is
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`discussed, despite Network-1’s undeniable knowledge of other highly-relevant
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`prior art brought to its attention during previous litigations, a granted ex parte
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`reexamination, and IPR2013-00092 and -00386. As such, Network-1 has failed to
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`carry its burden of showing that the proposed “determining step” would be
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`patentably distinguishable over other known prior art not of record.
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` Even with respect to Chang, Network-1’s Motion confirms—rather than
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`contests—that the proposed amendments are unpatentable. First, Network-1
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`concedes that Chang “…teaches the concept of determining whether an access
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`device is capable of accepting remote power.” Motion at 15. It therefore relies on
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`an alleged “teaching away” argument, which, however, is based on the original
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`“sensing step,” not the proposed “determining step.” Motion at 15 (“Chang
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`teaches away . . ., where the sensed voltage, as required by the second step of
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`Claim 6, is on the data signaling pair.”) (emphasis added). And while Chang may
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`have had a misplaced concern about intrusiveness on the data signal, the later-in-
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`time De Nicolo reference would have dispelled that concern as it teaches supplying
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`power in a non-intrusive manner over the same data signaling pair used for the
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`data. One skilled in the art understands that if operational power can be supplied
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`over the same data signaling pair, then Chang’s detection signal could also be used
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`on the same data signaling pair. At a minimum, one would be motivated to save
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`the “spare pair” from use—knowing full well that both low and operational voltage
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`can non-intrusively be provided over the data signaling pair per De Nicolo. Thus,
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`Network-1’s teaching away argument fails and, as admitted, Chang discloses the
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`proposed “determining step.”
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`While Petitioner is not required to prove unpatentability of proposed
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`amendments, aside from Chang, a sampling of other highly-relevant, known prior
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`art that should have been addressed by Network-1, does just that.
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`A.
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`Failure to Consider Woodmas
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`Woodmas is known prior art directly relevant to the proposed “determining
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`step,” and apparently was never even reviewed by Dr. Knox in connection with
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`this Proceeding. See Knox Dep. at 162:24 – 163:18; see also Request for
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`Rehearing in IPR2013-00092, Paper 22 (“the ’092 Request for Rehearing”).
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`While Network-1 previously argued in IPR2013-00092 that Woodmas does
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`not disclose the “data node adapted for data switching,” that element is wholly
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`unrelated to the “determining step” proposed by Network-1 here. The requirement
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`of showing patentable distinction is with respect to the particular feature(s)
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`proposed to be added, not with respect to one or more other claim elements
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`believed to be missing from the prior art.
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`Woodmas states that:
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`“When low level power is imposed on cable 30 and power
`reception unit 76 is present and operational, oscillator 88 (FIG.
`3) senses the low level voltage delivered to reception unit 76,
`produces the power status signal representative of the low level
`voltage and returns the signal by way of cable 30 back to
`delivery unit 34. In this way both the presence and functionality
`of power delivery unit 76 are checked before full power is
`imposed on cable 30.”
`Woodmas (AV-1040) at 7:39–52.
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`This passage confirms that Woodmas expressly discloses “determining
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`whether the access device is capable of accepting remote power based on the
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`sensed voltage.” See 2nd Zim. Decl. at ¶¶ 92-97.
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`While Network-1 may attempt to argue that Woodmas uses a “power status
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`10
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`signal” rather than sensed voltage to carry out the “determining step,” this is
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`incorrect for two reasons. First, in prior litigation, Knox read the claim language
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`on accused devices which converted an analog voltage level into digital
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`information, which digital information was used to make decisions about
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`controlling the power. See Knox Expert Report, March 14, 2010 (AV-1031),pp.
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`73-74. Such an analog-to-digital conversion of the sensed voltage level is exactly
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`how Woodmas’ “power status signal” is derived and used. See 2nd Zim. Decl. at ¶
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`94-95. Network-1 cannot adopt one position to prove infringement, and a contrary
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`position to find patentability.
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`B.
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`Failure to Consider Known Ethernet-Related Prior Art
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`The Motion fails to explain why it would not have been obvious to adapt
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`Matsuno to operate in an Ethernet environment, such as that of U.S. Provisional
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`Patent App. No. 60/115628 from IPR 2013-00386, or why one could not have
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`adapted such an Ethernet-related reference to implement Matsuno’s power control.
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`See Knox Dep. at 167:14-168:1. In fact, commercial products were available that
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`combined Ethernet and ISDN network communications, such as an ISDN router
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`with an integrated Ethernet hub. And an IEEE standard existed for combined
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`ISDN and Ethernet functionality. See 2nd Zim. Decl. at ¶ 71-74. Thus, the level
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`of convergence between ISDN and Ethernet was already very high by the time the
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`’930 patent had been filed. See id.; see also Knox Dep. at 65:16 – 66:19.
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`11
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`IPR2013-0071
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`C.
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`Failure to Consider Other Highly Relevant Known Prior Art
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`Network-1’s Motion also fails to consider any of the prior art relied-upon in
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`the granted, but now-stayed, ex parte reexamination filed against the ’930 patent
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`over a year ago. Dr. Knox did not appear to be aware of that ex parte proceeding,
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`nor of the fact that the U.S.P.T.O had already issued an Office Action finding the
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`claims anticipated or obvious over several prior art references. See Knox Dep. at
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`168:16-169:3; 171:1-171:15. Therefore, Network-1 has failed to show the
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`proposed ‘determining step’ distinguishes other known prior art not of record.
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`IV. Claims 10 and 11 Would Be Unpatentable Over Ground 2 (Matsuno
`And De Nicolo) In View Of Either Woodmas Or Chang
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`Even under Network-1’s limiting interpretation of “capable of receiving,”
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`the proposed substitute claims would still not be patentable over Matsuno and De
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`Nicolo, in further combination with Woodmas or Chang. While the applicability
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`of Matsuno and De Nicolo are fully set forth in Avaya’s Petition and Reply to the
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`Patent Owner’s Response, Woodmas provides the proposed additional
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`“determining step,” as detailed above in Section III.A.2. Therefore, when
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`Woodmas is combined with Matsuno and De Nicolo, each and every one of the
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`elements of proposed substitute claims 10 and 11 are present, arranged as claimed.
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`Further, a skilled artisan would be motivated to consider Woodmas’
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`teachings to provide additional information about the capabilities of the attached
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`Ethernet devices of De Nicolo, which would enable more informed power
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`12
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`controlling decisions to be made using Matsuno’s power controlling techniques.
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`Regarding obviousness over Chang, it is discussed above in Section III.
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`V.
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`Impermissable Broadening/ Lack of Written Description Support
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`Every occurrence of the word “voltage” in the originally-issued claims is
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`followed by the word “level.” The only embodiment that decides when to apply
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`power is based on the sensed voltage “level.” Despite the uniformly consistent
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`description of “voltage level” throughout the ’930 patent, the proposed amendment
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`broadens the phrase by dropping the word “level” in the “determining step.” “In
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`the absence of any evidence to the contrary, we must presume that the use of these
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`different terms in the claims connotes different meanings.” See CAE Screenplates
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`Inc. v. Heinrich Fiedler GmbH & Co. KG, 224 F.3d 1308, 1317 (Fed. Cir. 2000).
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`A. Requirement 3 – An Intentional Broadening Violation
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`While choosing to omit the word “level” may appear curious, Dr. Knox
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`explained exactly why it was done. The phrase “sensing voltage” is “much more
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`clear” than “voltage level” in how the claim covers the preferred embodiment of
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`sensing a varying voltage level over time. See Knox Dep. at 133:19-134:19. An
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`amended claim is enlarged if it includes within its scope subject matter not
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`previously covered. See Quantum Corp. v. Rodime, PLC, 65 F.3d 1577, 1580 (Fed.
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`Cir. 1995)(changing “at least” to “at least approximately” being a broadening).
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`13
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`Network-1 purposefully selected the broader term to improve its litigation
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`infringement posture. Specifically, Dr. Knox explained that “[i]n the past there has
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`been some confusion when we used that phrase, ‘voltage level,’ and it's confusion
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`that relates to some of your questions this morning about whether it's over a period
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`of time.” Id. at 133:24-134:2. Dr. Knox believes the phrase “sensed voltage” is
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`less susceptible to being narrowly interpreted as being a single voltage
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`measurement. See id. at 137:25-138:8 (emphasis added).
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`By re-wording the claim in a manner which would render one of its key
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`terms less susceptible to a narrower interpretation, Network-1 is engaging in a de
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`facto broadening. A “patent owner may not seek to broaden a challenged claim in
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`any respect, in the name of responding to an alleged ground of unpatentability.”
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`Idle Free at 5 (emphasis added).
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`Lack of an Adequate Written Description
`B.
`The ’930 patent consistently refers to sensing a voltage level. The only
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`alleged inventive method described for remote powering senses the voltage level,
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`and determines whether a device is capable of receiving power based on the
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`voltage level. Making a determination based on voltage level is not merely a
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`preferred embodiment, it is the only embodiment. Network-1’s attempt to now
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`cover any characteristic of voltage, rather than its level, runs afoul of the written
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`description requirement. See Anascape, Ltd. v. Nintendo Inc., 601 F.3d 1333, 1340
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`14
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`(Fed. Cir. 2010) (finding it insufficient to rely on “knowledge in the art” to satisfy
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`what inventor might have envisioned but failed to disclose).
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`VI. Requirement 4: Failure To Address Basic Knowledge and Skill Set
`“[A]ny motion to amend claims specifically must address the basic
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`knowledge and skill set possessed by one with ordinary skill in the art even
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`without reliance on any particular item of prior art,” and a “motion to amend which
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`fails in that regard is unlikely to be successful.” IPR2013-100, Paper 16 at page 2.
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`Network-1’s Motion never mentions, or attempts to satisfy, this requirement.
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`Rather, Network-1 does exactly what the Board admonished the patent
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`owner in IPR2013-100 from doing. Namely, Network-1 relies on the conclusion
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`(albeit flawed) that Matsuno and De Nicolo both assume that the access device is
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`capable of accepting remote power and therefore have no need to carry out the
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`proposed ‘determining step.’ See Motion at 13. The Motion provides no indication
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`as to why one of ordinary skill in the art would not have been able to readily adapt
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`Matsuno or De Nicolo using the known basic and general techniques—as discussed
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`above based on either Woodmas or Chang.
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`VII. Conclusion
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`For the reasons above, Network-1’s Motion to Amend should be denied.
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`15
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`Opposition to Patent Owner’s Motion to Amend
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`IPR2013-0071
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`October 22, 2013
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`Respectfully submitted,
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`/Jeffrey D. Sanok/
`
`Jeffrey D. Sanok, Reg. No. 32,169
`Jonathan M. Lindsay, Reg. No. 45,810
`CROWELL & MORING LLP
`Intellectual Property Group
`1001 Pennsylvania Avenue, N.W.
`Washington, DC 20004-2595
`Telephone No.: (202) 624-2500
`Facsimile No.: (202) 628-8844
`ATTORNEYS FOR PETITIONER AVAYA
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`16
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`CERTIFICATE OF SERVICE UNDER 37 C.F.R. § 42.6(e)
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`I hereby certify that on this 22nd day of October 2013, a true and correct copy
`of the foregoing “OPPOSITION TO PATENT OWNER’S MOTION TO AMEND
`UNDER 37 C.F.R. § 42.121” was served, by electronic mail, upon the following:
`
`Robert G. Mukai
`Charles F. Wieland III
`BUCHANAN, INGERSOLL & ROONEY
`P.C.
`1737 King St., Suite 500
`Alexandria, VA 22314
`Robert.Mukai@BIPC.com
`Charles.Wieland@BIPC.com
`Counsel for Network-1 Security Solutions, Inc.
`
`Lionel M. Lavenue, Esq.
`Erika Arner, Esq.
`FINNEGAN, HENDERSON, FARABOW,
`GARRETT & DUNNER, LLP
`Two Freedom Square
`11955 Freedom Drive
`Reston, VA 20190-5675
`(571) 203-2700
`lionel.lavenue@finnegan.com
`erika.arner@finnegan.com
`Counsel for Sony Corp. of America
`
`Michael J. Scheer
`Thomas M. Dunham
`WINSTON & STRAWN LLP
`200 Park Ave.
`New York, NY 10166
`(212) 294-4700
`mscheer@winston.com
`tdunham@winston.com
`Counsel for Dell Inc.
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`Robert J. Walters, Esq.
`Charles J. Hawkins, Esq.
`MCDERMOTT WILL & EMERY LLP
`500 North Capitol Street, N.W.
`Washington, DC 20001
`(202) 756-8019
`rwalters@mwe.com
`chawkins@mwe.com
`Counsel for Hewlett-Packard Co.
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`Respectfully submitted,
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`October 22, 2013
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` /Jonathan Lindsay/
`Jonathan M. Lindsay, Reg. No. 45,810
`CROWELL & MORING LLP
`Intellectual Property Group
`1001 Pennsylvania Avenue, N.W.
`Washington, DC 20004-2595
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