UNITED STATES PATENT AND TRADEMARK OFFICE
`______________________
`
`BEFORE THE PATENT TRIAL AND APPEAL BOARD
`______________________
`
`CAVIUM, INC.
`Petitioner
`
`v.
`
`ALACRITECH, INC.
`Patent Owner
`________________________
`
`Case IPR. No. Unassigned
`U.S. Patent No. 7,673,072
`Title: FAST-PATH APPARATUS FOR TRANSMITTING DATA
`CORRESPONDING TO A TCP CONNECTION
`________________________
`
`Petition For Inter Partes Review of U.S. Patent No. 7,673,072 Under
`35 U.S.C. §§ 311-319 and 37 C.F.R. §§ 42.1-.80, 42.100-.123
`
`
`
`
`
`
`
`
`Mail Stop “PATENT BOARD”
`Patent Trial and Appeal Board
`U.S. Patent and Trademark Office
`P.O. Box 1450
`Alexandria, VA 22313-1450
`
`DM2\7971727.4
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`Petition for Inter Partes Review of U.S. Patent No. 7,673,072
`
`TABLE OF CONTENTS
`
`Page
`INTRODUCTION ........................................................................................... 1 
`REQUIREMENTS FOR PETITION FOR INTER PARTES REVIEW ........ 1 
`2.1. 
`Grounds for Standing (37 C.F.R. § 42.104(a)) ................................ 1 
`2.2. 
`Notice of Lead and Backup Counsel and Service Information
` .......................................................................................................... 1 
`Notice of Real-Parties-in-Interest (37 C.F.R. § 42.8(b)(1)) ............. 2 
`2.3. 
`Notice of Related Matters (37 C.F.R. § 42.8(b)(2)) ......................... 2 
`2.4. 
`Fee for Inter Partes Review ........................................................... 14 
`2.5. 
`Proof of Service .............................................................................. 14 
`2.6. 
`IDENTIFICATION OF CLAIMS BEING CHALLENGED
`(§42.104(B)) .................................................................................................. 14 
`STATEMENT OF NON-REDUNDANCY .................................................. 14 
`BACKGROUND OF THE TECHNOLOGY ................................................ 16 
`5.1. 
`TCP/IP ............................................................................................ 16 
`5.2. 
`Protocol Offload ............................................................................. 20 
`OVERVIEW OF THE 072 PATENT ............................................................ 21 
`072 PATENT PROSECUTION HISTORY .................................................. 25 
`CLAIM CONSTRUCTION .......................................................................... 25 
`8.1. 
`Applicable Law .............................................................................. 25 
`8.2. 
`Construction of Claim Terms ......................................................... 26 
`8.2.1. 
`“context” ......................................................................... 26 
`8.2.2. 
`“prepending” ................................................................... 26 
`8.2.3. 
`“status information” ........................................................ 27 
`THE CHALLENGED CLAIMS OF THE 072 PATENT ARE NOT
`ENTITLED TO A PRIORITY DATE OF OCTOBER 14, 1997 ................. 28 
`
`1. 
`2. 
`
`3. 
`
`4. 
`5. 
`
`6. 
`7. 
`8. 
`
`9. 
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`Petition for Inter Partes Review of U.S. Patent No. 7,673,072
`
`The 1997 Provisional does not contain a written description
`of “creating headers for the segments, by the interface device,
`from [the/a] template header,” and “prepending the headers to
`the segments” to create packets. .................................................... 28 
`The 1997 Provisional does not contain a written description
`for protocols other than TCP/IP. .................................................... 29 
`PERSON HAVING ORDINARY SKILL IN THE ART ............................. 33 
`10. 
`11.  DESCRIPTION OF THE PRIOR ART – U.S. PATENT NO. 5,937,169
`(“CONNERY”) .............................................................................................. 33 
`12.  GROUND #1: CLAIMS 1 - 21 ARE UNPATENTABLE AS
`OBVIOUS OVER CONNERY IN VIEW OF THE KNOWLEDGE OF
`A POSA ......................................................................................................... 38 
`12.1. 
`Claim 1 ........................................................................................... 38 
`12.1.1. 
`[1.P] A method comprising: ........................................... 38 
`12.1.2. 
`[1.1] establishing, at a host computer, a transport
`layer connection, including creating a context that
`includes protocol header
`information for
`the
`connection; ...................................................................... 39 
`[1.2] transferring the protocol header information to
`an interface device; ......................................................... 45 
`[1.3] transferring data from the network host to the
`interface device, after transferring the protocol
`header information to the interface device; .................... 47 
`[1.4] dividing, by the interface device, the data into
`segments; ........................................................................ 51 
`[1.5] creating headers for the segments, by the
`interface device, from a template header containing
`the protocol header information; .................................... 52 
`[1.6] prepending the headers to the segments to
`form transmit packets. .................................................... 54 
`Claim 2 ........................................................................................... 57 
`
`9.1. 
`
`9.2. 
`
`12.2. 
`
`12.1.3. 
`
`12.1.4. 
`
`12.1.5. 
`
`12.1.6. 
`
`12.1.7. 
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`Petition for Inter Partes Review of U.S. Patent No. 7,673,072
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`12.2.1. 
`
`[2] The method of claim 1, further comprising
`transferring status information for the context to the
`interface device during the same operation as
`transferring protocol header information to the
`interface device. .............................................................. 57 
`Claim 3 ........................................................................................... 59 
`12.3.1. 
`[3] The method of claim 1, wherein creating headers
`for the segments includes adding status information
`to the template header. .................................................... 59 
`Claim 4 ........................................................................................... 60 
`12.4.1. 
`[4] The method of claim 1, wherein the protocol
`header information includes Internet Protocol (IP)
`addresses and Transmission Control Protocol (TCP)
`ports for the connection, and creating headers for
`the segments includes forming headers containing
`the IP addresses and TCP ports. ..................................... 60 
`Claim 5 ........................................................................................... 62 
`12.5.1. 
`[5] The method of claim 1, wherein the protocol
`header information includes a Media Access
`Control (MAC) layer address, and creating headers
`for
`the segments
`includes
`forming headers
`containing the MAC layer address. ................................ 62 
`Claim 6 ........................................................................................... 64 
`12.6.1. 
`[6] The method of claim 1, further comprising
`adding to the context a descriptor for a buffer, in a
`memory of the computer, that has been allocated for
`application data. .............................................................. 64 
`Claim 7 ........................................................................................... 67 
`12.7.1. 
`[7] The method of claim 1, further comprising
`receiving, by the interface device, receive packets
`that correspond to the context, and updating the
`context by the interface device to account for the
`receive packets. ............................................................... 67 
`Claim 8 ........................................................................................... 70 
`
`12.3. 
`
`12.4. 
`
`12.5. 
`
`12.6. 
`
`12.7. 
`
`12.8. 
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`Petition for Inter Partes Review of U.S. Patent No. 7,673,072
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`12.8.1. 
`
`12.9. 
`
`12.9.3. 
`
`12.9.4. 
`
`[8] The method of claim 1, further comprising
`transmitting the transmit packets on a network. ............. 70 
`Claim 9 ........................................................................................... 71 
`12.9.1. 
`[9.P] A method comprising: ........................................... 71 
`12.9.2. 
`[9.1] creating, at a computer, a context including
`protocol information and status information for a
`network connection,
`the protocol
`information
`providing a template header for the network
`connection; ...................................................................... 71 
`[9.2] transferring the protocol information and
`status information to an interface device; ....................... 73 
`[9.3] transferring data from the computer to the
`interface device, after transferring the protocol
`information and status information to the interface
`device; ............................................................................. 74 
`[9.4] dividing, by the interface device, the data into
`segments; ........................................................................ 74 
`[9.5] creating headers for the segments, by the
`interface device, from the template header; ................... 74 
`[9.6] prepending the headers to the segments to
`form packets; .................................................................. 75 
`[9.7] transmitting the packets on a network. .................. 75 
`12.9.8. 
`12.10.  Claim 10 ......................................................................................... 75 
`12.10.1.  [10] The method of claim 9, wherein creating
`headers for the segments includes adding current
`status information to the template header, the
`current status information being different than the
`status information that was transferred to the
`interface device. .............................................................. 75 
`12.11.  Claim 11 ......................................................................................... 77 
`
`12.9.5. 
`
`12.9.6. 
`
`12.9.7. 
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`Petition for Inter Partes Review of U.S. Patent No. 7,673,072
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`12.11.1.  [11] The method of claim 9, wherein the protocol
`header information includes Internet Protocol (IP)
`addresses and Transmission Control Protocol (TCP)
`ports for the connection, and creating headers for
`the segments includes forming headers containing
`the IP addresses and TCP ports. ..................................... 77 
`12.12.  Claim 12 is unpatentable as obvious over Connery ....................... 77 
`12.12.1.  [12] The method of claim 9, wherein the protocol
`header information includes a Media Access
`Control (MAC) layer address, and creating headers
`for
`the segments
`includes
`forming headers
`containing the MAC layer address. ................................ 77 
`12.13.  Claim 13 ......................................................................................... 77 
`12.13.1.  [13] The method of claim 9, further comprising
`transferring to the interface device a descriptor for a
`buffer, in a memory of the computer, that has been
`allocated for application data that is transferred
`according to the protocol information. ........................... 77 
`12.14.  Claim 14 ......................................................................................... 80 
`12.14.1.  [14] The method of claim 9, further comprising
`receiving, by the interface device, receive packets
`that correspond to the protocol information, and
`updating the status information by the interface
`device to account for the receive packets. ...................... 80 
`12.15.  Claim 15 ......................................................................................... 81 
`12.15.1.  [15.P] A method comprising: ......................................... 81 
`12.15.2.  [15.1] establishing, at a computer, a Transmission
`Control Protocol (TCP) connection corresponding
`to a context that includes status information and
`Internet Protocol (IP) addresses and TCP ports for
`the connection; ................................................................ 81 
`12.15.3.  [15.2] transferring the context to an interface
`device; ............................................................................. 82 
`12.15.4.  [15.3] transferring data from the network host to the
`interface device; .............................................................. 84 
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`Petition for Inter Partes Review of U.S. Patent No. 7,673,072
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`12.15.5.  [15.4] dividing, by the interface device, the data into
`segments; ........................................................................ 84 
`12.15.6.  [15.5] creating headers for the segments, by the
`interface device, from a template header that
`includes the IP addresses and TCP ports; ....................... 84 
`12.15.7.  [15.6] prepending the headers to the segments to
`form transmit packets. .................................................... 84 
`12.16.  Claim 16 ......................................................................................... 85 
`12.16.1.  [16] The method of claim 15, wherein transferring
`the context to the interface device occurs prior to
`transferring the data to the interface device. .................. 85 
`12.17.  Claim 17 ......................................................................................... 86 
`12.17.1.  [17] The method of claim 15, wherein creating
`headers for the segments includes adding current
`status information to the template header, the
`current status information being different than the
`status information that was transferred to the
`interface device. .............................................................. 86 
`12.18.  Claim 18 ......................................................................................... 86 
`12.18.1.  [18] The method of claim 15, wherein the template
`header includes a Media Access Control (MAC)
`layer address, and creating headers for the segments
`includes forming headers containing the MAC layer
`address. ........................................................................... 86 
`12.19.  Claim 19 ......................................................................................... 87 
`12.19.1.  [19] The method of claim 15, wherein the context
`includes a Media Access Control (MAC) layer
`address, and creating headers for the segments
`includes forming headers containing the MAC layer
`address. ........................................................................... 87 
`12.20.  Claim 20 ......................................................................................... 88 
`12.20.1.  [20] The method of claim 15, further comprising
`adding to the context a descriptor for a buffer, in a
`memory of the computer, that has been allocated for
`application data. .............................................................. 88 
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`Petition for Inter Partes Review of U.S. Patent No. 7,673,072
`
`12.21.  Claim 21 ......................................................................................... 88 
`12.21.1.  [21] The method of claim 15, further comprising
`receiving, by the interface device, receive packets
`that correspond to the context, and updating the
`status information by the interface device to account
`for the receive packets. ................................................... 88 
`13.  CONCLUSION .............................................................................................. 88 
`
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`Petition for Inter Partes Review of U.S. Patent No. 7,673,072
`
`
`
`Exhibit List
`
`Exhibit #
`Ex.1001
`
`Description
`U.S. Patent No. 7,673,072 (“072 Patent”)
`
`Ex.1002
`
`Excerpts from Prosecution File History of U.S. Patent No.
`7,673,072 (“072 File History”)
`
`Ex.1003
`
`Declaration of Robert Horst Declaration
`
`Ex.1004
`
`Curriculum Vitae of Robert Horst
`
`Ex.1005
`
`U.S. Patent No. 5,768,618 (“Erickson”)
`
`Ex.1006
`
`Ex.1007
`
`Ex.1008
`
`Ex.1009
`
`Tanenbaum, Andrew S., Computer Networks, Prentice-Hall, Inc.,
`New Jersey (1996). (“Tanenbaum96”)
`
`Transmission Control Protocol, “Darpa Internet Protocol
`Specification”, RFC: 793, Sept. 1981. (“RFC 793”)
`
`Stevens, W. Richard, TCP/IP Illustrated Volume 1: The
`Protocols, Addison-Wesley (1994). (“Stevens1”)
`
`Lilinkamp, J., Mandell. R. and Padlipsky, M., “Proposed Host-
`Front End Protocol”, Network Working Group Request for
`Comments: 929, Dec. 1984. (“RFC 929”)
`
`Ex.1010
`
`Not Used
`
`Ex.1011
`
`Declaration of Rice Mayors regarding Tanenbaum, Andrew S.,
`Computer Network
`
`Ex.1012
`
`Not Used
`
`Ex.1013
`
`Stevens, W. Richard and Gary R. Wright, TCP/IP Illustrated
`Volume 2: The Implementation, Addison-Wesley (1995).
`(“Stevens2”)
`
`Ex.1014
`
`TCP Control Block Interdependence (“RFC2140”)
`
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`Petition for Inter Partes Review of U.S. Patent No. 7,673,072
`
`Exhibit #
`
`Ex.1015
`
`Description
`Thia, Y.H., Woodside, C.M., “A Reduced Operation Protocol
`Engine (ROPE) for a Multiple-Layer Bypass Architecture”,
`Protocols for High Speed Networks (Dordrecht), 1995. (“Thia”)
`
`Ex.1016
`
`Ex.1017
`
`Ex.1018
`
`Ex.1019
`
`Biersack, E. W., Rütsche E., “Demultiplexing on the ATM
`Adapter: Experiments with Internet Protocols in User Space”,
`Journal on High Speed Networks, Vol. 5, No. 2, May 1996.
`(“Biersack”)
`
`Rütsche, E., Kaiserswerth, M., “TCP/IP on the Parallel Protocol
`Engine”, Proceedings, IFIP Conference on High Performance
`Networking, Liege (Belgium), Dec. 1992. (“Rütsche92”)
`
`Rütsche, E., “The Architecture of a Gb/s Multimedia Protocol
`Adapter”, Computer Communication Review, 1993.
`(“Rütsche93”)
`
`Padlipsky, M. A., “A Proposed Protocol for Connecting Host
`Computers to Arpa-Like Networks Via Directly-Connected Front
`End Processors”, Network Working Group RFC #647, Nov.
`1974. (“RFC 647”)
`
`Ex.1020
`
`U.S. Patent No. 5,619,650 (“Bach”)
`
`Ex.1021
`
`U.S. Patent No. 5,915,124 (“Morris”)
`
`Ex.1022
`
`Ex.1023
`
`Ex.1024
`
`Cooper, E.C., et al., “Protocol Implementation on the Nectar
`Communication Processor”, School of Computer Science,
`Carnegie Mellon University, Sept. 1990. (“Cooper”)
`
`Kung, H.T., et al., “A Host Interface Architecture for High-Speed
`Networks”, School of Computer Science, Carnegie Mellon
`University and Network Systems Corporation. (“Kung”)
`
`Exhibit D to Declaration of Dr. Gregory L. Chesson in Support of
`Microsoft’s Opposition to Alacritech’s Motion for Preliminary
`Injunction: “Protocol Engine Handbook”, Protocol Engines
`Incorporated, Oct. 1990. (“Chesson”)
`
`DM2\7971727.4
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`

`Petition for Inter Partes Review of U.S. Patent No. 7,673,072
`
`Exhibit #
`
`Ex.1025
`
`Description
`Kanakia, H., Cheriton, D.R., “The VMP Network Adapter Board
`(NAB): High-Performance Network Communication for
`Multiprocessors”, Communications Architectures & Protocols,
`Stanford University, Aug. 1988. (“Kanakia”)
`
`Ex.1026
`
`Ex.1027
`
`Ex.1028
`
`Ex.1029
`
`Ex.1030
`
`Ex.1031
`
`Ex.1032
`
`Ex.1033
`
`Ex.1034
`
`Kung, H.T., Cooper, E.C., et al., “Network-Based
`Multicomputers: An Emerging Parallel Architectures”, School of
`Computer Science, Carnegie Mellon University. (“Kung and
`Cooper”)
`
`Dalton, C., et al., “Afterburner: Architectural Support for High-
`Performance Protocols”, Networks & Communications
`Laboratories, HP Laboratories Bristol, July 1993. (“Dalton”)
`
`Murphy, E., Hayes, S., Enders, M., TCP/IP Tutorial and
`Technical Overview Fifth Edition, Prentice-Hall, Inc. New Jersey,
`(1995). (“Murphy”)
`
`MacLean, A.R., Barvick, S. E., “An Outboard Processor for High
`Performance Implementation of Transport Layer Protocols”,
`IEEE Globecom ’91, Phoenix, AZ, Dec. 1991. (“MacLean”)
`
`Clark, D.D., et al., “An Analysis of TCP Processing Overhead”,
`IEEE Communications Magazine, June 1989. (“Clark”)
`
`U.S. Provisional Application 60/061,809 (“1997 Provisional
`Application”)
`
`Culler, E.C., et al., “Parallel Computing on the Berkeley NOW”,
`Computer Science Division, University of California, Berkeley.
`(“Culler”)
`
`“Gigabit Ethernet Technical Brief: Achieving End-to-End
`Performance”, Alteon Networks, Inc. First Edition, Sept. 1996.
`(“Alteon”)
`
`Smith, J.A., Primmer, M., “Tachyon: A Gigabit Fibre Channel
`Protocol Chip”, Hewlett-Packard Journal, Article 12, Oct. 1996.
`(“Smith”)
`
`DM2\7971727.4
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`Petition for Inter Partes Review of U.S. Patent No. 7,673,072
`
`Exhibit #
`
`Ex.1035
`
`Description
`Patterson, D.A., Hennessy, J.L., Computer Architecture: A
`Quantitative Approach, Morgan Kaufmann Publishers, Inc., San
`Mateo, CA (1990). (“Patterson”)
`
`Ex.1036
`
`Exs.1037-
`1039
`
`Ex.1040
`
`Exs.1041-
`1042
`
`Internet Protocol, “Darpa Internet Protocol Specification”, RFC:
`791, Sept. 1981. (“RFC 791”)
`
`Not Used
`
`Alacritech’s Opening Claim Construction Brief (Alacritech, Inc.
`v. Dell Inc., Intel Corporation, et al.)
`
`Not Used
`
`Ex.1043
`
`U.S. Patent No. 5,937,169 (“Connery”)
`
`Exs.1044-
`1081
`
`Not Used
`
`Ex.1082
`
`Exs.1083-
`1091
`
`Ex.1092
`
`Alacritech’s Infringement Contentions For Intel Ex. 2 - 072
`(Intel)
`LR 3-1 Infringement Chart
`
`Not Used
`
`U.S. Provisional Patent Application No. 60/098,296 filed on
`August 27, 1998 (“1998 Provisional Application”)
`
`Ex.1093
`
`3Com Corporation Form 10-K, August 26th, 1996
`
`
`
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`Petition for Inter Partes Review of U.S. Patent No. 7,673,072
`
`1.
`
`INTRODUCTION
`Pursuant to 35 U.S.C. §§ 311-319 and 37 C.F.R. §§ 42.1-.80, 42.100-.123,
`
`Cavium, Inc. (“Petitioner” or “Cavium, Inc.”) hereby petitions the Patent Trial and
`
`Appeal Board to institute an inter partes review of claims 1 – 21 of U.S. Patent No.
`
`7,673,072, titled “Fast-Path Apparatus For Transmitting Data Corresponding to a
`
`TCP Connection” (Ex.1001, the “072 Patent”), and cancel those claims as
`
`unpatentable.
`
`2.
`
`REQUIREMENTS FOR PETITION FOR INTER PARTES REVIEW
`2.1.
`Grounds for Standing (37 C.F.R. § 42.104(a))
`Petitioner certifies that the 072 Patent is available for inter partes review and
`
`that Petitioner is not barred or estopped from requesting inter partes review of the
`
`challenged claims of the 072 Patent on the grounds identified herein.
`
`2.2.
`Notice of Lead and Backup Counsel and Service Information
`Pursuant to 37 C.F.R. §§ 42.8(b)(3), 42.8(b)(4), and 42.10(a), Petitioner
`
`provides the following designation of Lead and Back-Up counsel.
`
`Lead Counsel
`Patrick D. McPherson
`USPTO Reg. No. 46,255
`DUANE MORRIS LLP
`509 9th St. NW, Ste. 1000
`Washington, D.C. 20004
`P: (202) 776-5214
`F: (202) 776-7801
`(PDMcPherson@duanemorris.com)
`
`Back-Up Counsel
`David T. Xue, Ph.D.
`USPTO Reg. No. 54,554
`DUANE MORRIS LLP
`2475 Hanover St.
`Palo Alto, CA 94304-1194
`P: (650) 847-4153
`F: (650) 644-0459
`(DTXue@duanemorris.com)
`
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`

`Petition for Inter Partes Review of U.S. Patent No. 7,673,072
`
`Lead Counsel
`Postal & Hand-Delivery Address:
`Patrick D. McPherson
`Duane Morris LLP
`505 9th Street, N.W., Suite 1000
`Washington, DC 20004
`Tel: (202) 776-5214
`Fax: (202) 776-7801
`
`Attorney for Cavium, Inc.
`
`Back-Up Counsel
`Postal & Hand-Delivery Address:
`David T. Xue, Ph. D.
`Duane Morris LLP
`2475 Hanover St.
`Palo Alto, CA 94304
`Tel: (650) 847-4153
`Fax: (650) 644-0459
`
`Attorneys for Cavium, Inc.
`
`Pursuant to 37 C.F.R. § 42.10(b), a Power of Attorney for Petitioner is
`
`attached.
`
`2.3.
`
`Notice of Real-Parties-in-Interest (37 C.F.R. § 42.8(b)(1))
`
`Petitioner, Cavium, Inc., is the real-party-in-interest. No other parties
`
`exercised or could have exercised control over this Petition; no other parties funded
`
`or directed this Petition. See Office Patent Trial Practice Guide, 77 Fed. Reg. 48759-
`
`60.
`
`2.4.
`
`Notice of Related Matters (37 C.F.R. § 42.8(b)(2))
`
`The following judicial or administrative matters may affect or be affected by a
`
`DM2\7971727.4
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`

`Petition for Inter Partes Review of U.S. Patent No. 7,673,072
`
`decision in this proceeding: Alacritech, Inc. v. CenturyLink, Inc., 2:16-cv-00693-
`
`JRG-RSP (E.D. Tex.); Alacritech, Inc. v. Wistron Corp., 2:16-cv-00692-JRG-RSP
`
`(E.D. Tex.); Alacritech, Inc. v. Dell Inc., 2:16-cv-00695-RWS-RSP (E.D. Tex.). In
`
`addition to this Petition, Petitioner has filed a previous pending request for IPR for
`
`U.S. Patent No. 7,673,072 (IPR 2017-01707); and Petitioner has filed or will file
`
`petitions for U.S. Patent Nos. 7,124,205; 7,237,036; 7,337,241; 7,945,699;
`
`8,131,880; 8,805,948; and 9,055,104. The 072 Patent is subject to a pending request
`
`for IPR filed by Intel on June 30, 2017 (IPR2017-01705) and an earlier request filed
`
`on May 9, 2017 (IPR2017-01406).
`
`Alacritech has asserted one or more of the Asserted Patents or patents related
`
`to the Asserted Patents in the following actions:
`
`1.
`
`U.S. Patent Nos. 6,427,171 and 6,697,868 were asserted in Alacritech,
`
`Inc. v. Microsoft Corp., 3-04-cv-03284, (N.D. Cal);
`
`2.
`
`U.S. Patent Nos. 7,124,205; 7,237,036; 7,337,241; 7,673,072;
`
`8,131,880; 8,805,948; and 9,055,104 are asserted in Alacritech, Inc. v. Wistron
`
`Corp., 2:16-cv-00692-JRG-RSP (E.D. Tex.);
`
`3.
`
`U.S. Patent Nos. 7,124,205; 7,237,036; 7,337,241; 7,673,072;
`
`8,131,880; 8,805,948; 9,055,104; and 7,945,699 are asserted in Alacritech, Inc. v.
`
`Dell Inc., 2:16-cv-00695-RWS-RSP (E.D. Tex.).
`
`4. U.S. Patent Nos. 7,124,205; 7,237,036; 7,337,241; 7,673,072;
`-3-
`
`DM2\7971727.4
`
`

`

`Petition for Inter Partes Review of U.S. Patent No. 7,673,072
`
`8,131,880; 8,805,948; 9,055,104; and 7,945,699 are asserted in Alacritech, Inc. v.
`
`CenturyLink, Inc., 2:16-cv-00693-JRG-RSP (E.D. Tex.).
`
`The patent family to which the 036 Patent belongs contains 21 additional U.S.
`
`patents:
`
`1.
`
`U.S. Patent Application No. 11/821,820 (filed Jun. 25, 2007, issued
`
`Mar. 2, 2010 as 7,673,072 patent);
`
`2.
`
`U.S. Patent Application No. 10/092,967 (filed Mar. 6, 2002, issued Jul.
`
`8, 2003 as 6,591,302 patent);
`
`3.
`
`U.S. Patent Application No. 10/023,240 (filed Dec. 17, 2001, issued
`
`Nov. 15, 2005 as 6,965,941 patent);
`
`4.
`
`U.S. Patent Application No. 09/970,124 (filed Oct. 2, 2001, issued Oct.
`
`17, 2006 as 7,124,205 patent);
`
`5.
`
`U.S. Patent Application No. 09/855,979 (filed May 14, 2001, issued
`
`Nov. 7, 2006 as 7,133,940 patent);
`
`6.
`
`U.S. Patent Application No. 09/802,426 (filed Mar. 9, 2001, issued
`
`May 9, 2006 as 7,042,898 patent);
`
`7.
`
`U.S. Patent Application No. 09/802,550 (filed Mar. 9, 2001, issued
`
`Dec. 2, 2003 as 6,658,480 patent);
`
`8.
`
`U.S. Patent Application No. 09/802,551 (filed Mar. 9, 2001, issued Jul.
`
`11, 2006 as 7,076,568 patent);
`
`DM2\7971727.4
`
`-4-
`
`

`

`Petition for Inter Partes Review of U.S. Patent No. 7,673,072
`
`9.
`
`U.S. Patent Application No. 09/801,488 (filed Mar. 7, 2001, issued Feb.
`
`3, 2004 as 6,687,758 patent);
`
`10.
`
` U.S. Patent Application No. 09/789,366 (filed Feb. 20, 2001, issued
`
`Jun. 29, 2004 as 6,757,746 patent);
`
`11.
`
` U.S. Patent Application No. 09/675,700 (filed Sept. 29, 2000, issued
`
`Dec. 31, 2013 as 8,621,101 patent);
`
`12.
`
` U.S. Patent Application No. 09/675,484 (filed Sept. 29, 2000, issued
`
`Oct. 19, 2004 as 6,807,581 patent);
`
`13.
`
` U.S. Patent Application No. 09/514,425 (filed Feb. 28, 2000, issued
`
`Jul. 30, 2002 as 6,427,171 patent);
`
`14.
`
` U.S. Patent Application No. 09/464,283 (filed Dec. 15, 1999, issued
`
`Jul. 30, 2002 as 6,427,173 patent);
`
`15.
`
` U.S. Patent Application No. 09/439,603 (filed Nov. 12, 1999, issued
`
`Jun. 12, 2001 as 6,247,060 patent);
`
`16.
`
` U.S. Patent Application No. 09/416,925 (filed Oct. 13, 1999, issued
`
`Oct. 22, 2002 as 6,470,415 patent);
`
`17.
`
` U.S. Patent Application No. 09/384,792 (filed Aug. 27, 1999, issued
`
`Aug. 13, 2002 as 6,434,620 patent);
`
`18.
`
` U.S. Patent Application No. 09/141,713 (filed Aug. 28, 1998, issued
`
`May 14, 2002 as 6,389,479 patent);
`
`DM2\7971727.4
`
`-5-
`
`

`

`Petition for Inter Partes Review of U.S. Patent No. 7,673,072
`
`19.
`
`20.
`
` U.S. Patent Application No. 60/098,296 (expired);
`
` U.S. Patent Application No. 09/067,544 (filed Apr. 27, 1998, issued
`
`May 1, 2001 as 6,226,680 patent);
`
`21.
`
` U.S. Patent Application No. 60/061,809 (expired).
`
`The patent family to which the 205 Patent belongs contains 5 additional U.S.
`
`patents:
`
`1.
`
`U.S. Patent Application No. 10/092,967 (filed Mar. 6, 2002, issued Jul.
`
`8, 2003 as 6,591,302 patent);
`
`2.
`
`U.S. Patent Application No. 10/260,112 (filed Sept. 27, 2002, issued
`
`Jul. 26, 2007 as 7,237,036 patent);
`
`3.
`
`U.S. Patent Application No. 10/261,051 (filed Sept. 30, 2002, issued
`
`Sept. 13, 2011 as 8,019,901 patent);
`
`4.
`
`U.S. Patent Application No. 11/821,820 (filed Jun. 25, 2007, issued
`
`Mar. 2, 2010 as 7,673,072 patent);
`
`5.
`
`U.S. Patent Application No. 11/582,199 (filed Oct. 16, 2006, issued
`
`Feb. 16, 2010 as 7,664,883 patent).
`
`The patent family to which the 072 Patent belongs contains 21 additional U.S.
`
`patents:
`
`1.
`
`U.S. Patent Application No. 10/260,112 (filed Sept. 27, 2002, issued
`
`Jul. 26, 2007 as 7,237,036 patent);
`
`DM2\7971727.4
`
`-6-
`
`

`

`Petition for Inter Partes Review of U.S. Patent No. 7,673,072
`
`2.
`
`U.S. Patent Application No. 10/092,967 (filed Mar. 6, 2002, issued Jul.
`
`8, 2003 as 6,591,302 patent);
`
`3.
`
`U.S. Patent Application No. 10/023,240 (filed Dec. 17, 2001, issued
`
`Nov. 15, 2005 as 6,965,941 patent);
`
`4.
`
`U.S. Patent Application No. 09/970,124 (filed Oct. 2, 2001, issued Oct.
`
`17, 2006 as 7,124,205 patent);
`
`5.
`
`U.S. Patent Application No. 09/855,979 (filed May 14, 2001, issued
`
`Nov. 7, 2006 as 7,133,940 patent);
`
`6.
`
`U.S. Patent Application No. 09/802,426 (filed Mar. 9, 2001, issued
`
`May 9, 2006 as 7,042,898 patent);
`
`7.
`
`U.S. Patent Application No. 09/802,550 (filed Mar. 9, 2001, issued
`
`Dec. 2, 2003 as 6,658,480 patent);
`
`8.
`
`U.S. Patent Application No. 09/802,551 (filed Mar. 9, 2001, issued Jul.
`
`11, 2006 as 7,076,568 patent);
`
`9.
`
`U.S. Patent Application No. 09/801,488 (filed Mar. 7, 2001, issued Feb.
`
`3, 2004 as 6,687,758 patent);
`
`10.
`
` U.S. Patent Application No. 09/789,366 (filed Feb. 20, 2001, issued
`
`Jun. 29, 2004 as 6,757,746 patent);
`
`11.
`
` U.S. Patent Application No. 09/675,700 (filed Sept. 29, 2000, issued
`
`Dec. 31, 2013 as 8,621,101 patent);
`
`DM2\7971727.4
`
`-7-
`
`

`

`Petition for Inter Partes Review of U.S. Patent No. 7,673,072
`
`12.
`
` U.S. Patent Application No. 09/675,484 (filed Sept. 29, 2000, issued
`
`Oct. 19, 2004 as 6,807,581 patent);
`
`13.
`
` U.S. Patent Application No. 09/514,425 (filed Feb. 28, 2000, issued
`
`Jul. 30, 2002 as 6,427,171 patent);
`
`14.
`
` U.S. Patent Application No. 09/464,283 (filed Dec. 15, 1999, issued
`
`Jul. 30, 2002 as 6,427,173 patent);
`
`15.
`
` U.S. Patent Application No. 09/439,603 (filed Nov. 12, 1999, issued
`
`Jun. 12, 2001 as 6,247,060 patent);
`
`16.
`
` U.S. Patent Application No. 09/416,925 (filed Oct. 13, 1999, issued
`
`Oct. 22, 2002 as 6,470,415 patent);
`
`17.
`
` U.S. Patent Application No. 09/384,792 (filed Aug. 27, 1999, issued
`
`Aug. 13, 2002 as 6,434,620 patent);
`
`18.
`
` U.S. Patent Application No. 09/141,713 (filed Aug. 28, 1998, issued
`
`May 14, 2002 as 6,389,479 patent);
`
`19.
`
`20.
`
` U.S. Patent Application No. 60/098,296 (expired);
`
` U.S. Patent Application No. 09/067,544 (filed Apr. 27, 1998, issued
`
`May 1, 2001 as 6,226,680 patent);
`
`21.
`
` U.S. Patent Application No. 60/061,809 (expired).
`
`The patent family to which the 948 Patent belongs contains 3 additional U.S.
`
`patents:
`
`DM2\7971727.4
`
`-8-
`
`

`

`Petition for Inter Partes Review of U.S. Patent No. 7,673,072
`
`1.
`
`U.S. Patent Application No. 09/692,561 (filed Oct. 18, 2000, issued
`
`Jan. 14, 2014 as 8,631,140 patent);
`
`2.
`
`U.S. Patent Application No. 09/067,544 (filed Apr. 27, 1998, issued
`
`May 1, 2001 as 6,226,680 patent);
`
`3.
`
`U.S. Patent Application No. 60/061,809 (expired).
`
`The patent family to which the 699 Patent belongs contains 16 additional U.S.
`
`patents:
`
`1.
`
`U.S. Patent Application No. 10/881,271 (filed Jun. 29, 2004, issued
`
`Dec. 2, 2008 as 7,461,160 patent);
`
`2.
`
`U.S. Patent Application No. 09/789,366 (filed Feb. 20, 2001, issued
`
`Jun. 29, 2004 as 6,757,746 patent);
`
`3.
`
`U.S. Patent Application No. 09/748,936 (filed Dec. 26, 2000, issued
`
`Dec. 25, 2001 as 6,334,153 patent);
`
`4.
`
`U.S. Patent Application No. 09/692,561 (filed Oct. 18, 2000, issued
`
`Jan. 14, 2014 as 8,631,140 patent);
`
`5.
`
`U.S. Patent Application No. 09/675,484 (filed Sept. 29, 2000, issued
`
`Oct. 19, 2004 as 6,807,581 patent);
`
`6.
`
`U.S. Patent Application No. 09/675,700 (filed Sept. 29, 2000, issued
`
`Dec. 31, 2013 as 8,621,101 patent);
`
`7.
`
`DM2\7971727.4
`
`U.S. Patent Application No. 09/514,425 (filed Feb. 28, 2000, issued Jul.
`-9-
`
`

`

`Petition for Inter Partes Review of U.S. Patent No. 7,673,072
`
`30, 2002 as 6,427,171 patent);
`
`8.
`
`U.S. Patent Application No. 09/464,283 (filed Dec. 15, 1999, issued
`
`Jul. 30, 2002 as 6,427,173 patent);
`
`9.
`
`U.S. Patent Application No. 09/439,60