Investigation No. 337-TA-945
`Exhibit to Joint Claim Construction Chart
`
`U.S. Patent No. 6,377,577 ................................................................................................................................................................................................. 2
`
`April 14, 2015
`
`U.S. Patent No. 7,023,853 ............................................................................................................................................................................................... 11
`
`U.S. Patent No. 7,061,875 ............................................................................................................................................................................................... 34
`
`U.S. Patent No. 7,460,492 ............................................................................................................................................................................................... 40
`
`U.S. Patent No. 7,224,668 ............................................................................................................................................................................................... 48
`
`U.S. Patent No. 8,051,211 ............................................................................................................................................................................................... 75
`
`
`Error! Unknown document property name.
`
`1
`
`ARISTA 1022
`
`1
`
`
`Exhibit to Joint Claim Construction Chart
`
`U.S. Patent No. 6,377,577 ................................................................................................................................................................................................. 2
`
`April 14, 2015
`
`U.S. Patent No. 7,023,853 ............................................................................................................................................................................................... 11
`
`U.S. Patent No. 7,061,875 ............................................................................................................................................................................................... 34
`
`U.S. Patent No. 7,460,492 ............................................................................................................................................................................................... 40
`
`U.S. Patent No. 7,224,668 ............................................................................................................................................................................................... 48
`
`U.S. Patent No. 8,051,211 ............................................................................................................................................................................................... 75
`
`
`Error! Unknown document property name.
`
`1
`
`ARISTA 1022
`
`1
`
`
`
`Investigation No. 337-TA-945
`Exhibit to Joint Claim Construction Chart
`
`U.S. Patent No. 6,377,577
`
`’577 Term
`(Agreed)
`Reserved
`“access control patterns” (’577
`patent claims 1, 5, 9, 28-31; ’853
`patent claims 46, 60, 62)
`
`Cisco
`
`
`
`“patterns of bits or other elements
`used for access control”
`
`
`
`
`
`April 14, 2015
`
`Arista
`
`
`
`This term is indefinite/not amenable
`to construction under 35 U.S.C. §
`112, ¶ 2 at least because “access
`control patterns” are not described
`in the specification.
`
`
`
`Staff
`
`
`
`patterns of bits or other elements
`used for access control and stored in
`an associative memory
`
`
`
`
`1
`2
`3
`
`4
`
`
`
`
`
`“associative memory” (’577
`patent claims 1, 5, 7, 10, 29;
`’853 patent claims 46, 60)
`
`Plain and ordinary meaning. If term
`needs to be construed: “memory
`whose locations are identified by
`their contents or by a part of their
`contents”
`
`Memory organized and accessed by
`data association
`
`Plain and ordinary meaning. If term
`needs to be construed: “memory
`whose locations are identified by
`their contents or by a part of their
`contents, rather than by their names
`or positions”
`
`
`5-6
`7
`
`(Agreed)
`“responsive to” (’577 patent
`claims 1, 9, 16, 28; ’853 patent
`claim 46)
`
`
`“derived from”
`
`
`Plain and ordinary meaning,
`which is reacting
`
`
`“based on”
`
`
`
`
`
`
`
`2
`
`
`Error! Unknown document property name.
`
`2
`
`
`
`Investigation No. 337-TA-945
`Exhibit to Joint Claim Construction Chart
`
`
`
`
`’577 Term
`
`Cisco
`
`Arista
`
`Staff
`
`April 14, 2015
`
`
`
`
`
`8
`
`“access control” (’577 patent
`claim 1)
`
` Plain and ordinary meaning. See,
`e,g,, rows 3 and 15.
`
`
`Restrictions or modifications of the
`transmission of a packet
`
`Plain and ordinary meaning,
`including restrictions on
`transmission of messages
`
`9
`
`“matchable information” (’577
`patent claims 1, 22; ’853 patent
`claims 46, 54)
`
`“information that can be compared
`to an access control pattern for a
`match”
`
`This term is indefinite/not amenable
`to construction under 35 U.S.C. §
`112, ¶ 2 at least because “matchable
`information” are not described in
`the specification.
`
`information that can be compared
`with elements of an access control
`pattern for a match
`
`
`Error! Unknown document property name.
`
`3
`
`3
`
`
`
`Investigation No. 337-TA-945
`Exhibit to Joint Claim Construction Chart
`
`
`
`
`
`
`’577 Term
`
`Cisco
`
`Arista
`
`Staff
`
`April 14, 2015
`
`10
`
`“routing decision” (’577 patent
`claim 1)
`
`Plain and ordinary meaning. See
`row 11 below.
`
`Decision on where and whether to
`forward a packet
`
`
`
`Plain and ordinary meaning. See
`row 11 below.
`
`
`
`11
`
`“making a routing[-] decision in
`response to said access result”
`(’577 patent claim 1; ’853
`patent claim 46)
`
`Plain and ordinary meaning
`
`If the term needs to be construed:
`“making a decision on whether,
`how, and/or where to route a packet
`in response to said access result”
`
`Making a routing decision (as
`defined herein) in response to said
`access result
`
`
`
`Plain and ordinary meaning
`
`If the term needs to be construed:
`“making a decision regarding where
`and/or whether to route a packet in
`response to said access result”
`
`
`Error! Unknown document property name.
`
`4
`
`4
`
`
`
`Investigation No. 337-TA-945
`Exhibit to Joint Claim Construction Chart
`
`
`
`
`’577 Term
`
`Cisco
`
`Arista
`
`Staff
`
`April 14, 2015
`
`
`
`
`
`12
`
`“performing at least two of said
`steps of receiving, matching,
`selecting, and making a routing
`decision, in parallel using a
`pipeline technique” (’577 patent
`claim 2)
`
`Plain and ordinary meaning.
`
`If the claim needs to be construed:
`“performing at least two of said
`steps of receiving, matching,
`selecting, and making a routing
`decision in a manner where a
`second step begins before the first is
`complete”
`
`This term is indefinite/not amenable
`to construction under 35 U.S.C. §
`112, ¶ 2 at least because claim 1
`precludes performing at least some
`of said steps in parallel.
`
`
`
`Plain and ordinary meaning.
`
`If the claim needs to be construed:
`“performing at least two of said
`steps of receiving, matching,
`selecting, and making a routing
`decision in a manner where a
`second step begins before the first is
`complete”
`
`
`
`13-14
`
`(Dropped)
`
`
`
`
`
`
`
`
`Error! Unknown document property name.
`
`5
`
`5
`
`
`
`Investigation No. 337-TA-945
`Exhibit to Joint Claim Construction Chart
`
`
`
`15
`
`’577 Term
`“access control specifier” (’577
`patent claims 28, 29 30, 31; ’853
`patent claims 60-63)
`
`Cisco
`“data that includes information for
`matching with a packet and
`specifies an access result”
`
`Arista
`a pattern of bits representing an
`access control rule stored in the
`associative memory
`
`Staff
`data representing an access control
`rule in a format that can be stored in
`an associative memory
`
`April 14, 2015
`
`
`
`16
`
`“wherein said set of access
`control patterns is responsive to
`a sequence of access control
`specifiers, each one of said
`sequence of access control
`specifiers declaring whether to
`permit or deny access for a set
`of packets”
`(’577 patent claim 28)
`
`See “access control patterns” and
`“access control specifiers,”above.
`Otherwise plain and ordinary
`meaning.
`
`This term is indefinite/not amenable
`to construction under 35 U.S.C.
`§112, ¶ 2 at least because “access
`control patterns” are not described
`in the specification.
`
`See “access control patterns” and
`“access control specifiers,”above.
`Otherwise plain and ordinary
`meaning.
`
`
`
`
`Error! Unknown document property name.
`
`6
`
`6
`
`
`
`Investigation No. 337-TA-945
`Exhibit to Joint Claim Construction Chart
`
`
`
`
`’577 Term
`
`Cisco
`
`Arista
`
`Staff
`
`April 14, 2015
`
`
`
`
`
`17
`
`“translating said sequence of
`access control specifiers into
`said sequence of access control
`patterns” (’577 patent claims
`29; ’853 patent claim 60)
`
`See “access control patterns” and
`“access control specifiers” above.
`Otherwise, plain and ordinary
`meaning.
`
`If “translating” needs to be
`construed: “transforming data from
`one system of representation to
`another.”
`
`This term is indefinite/not amenable
`to construction under 35 U.S.C.
`§112, ¶ 2 at least because “access
`control patterns” are not described
`in the specification.
`
` See “access control patterns” and
`“access control specifiers” above.
`Otherwise, plain and ordinary
`meaning.
`
`If “translating” needs to be
`construed: “transforming data from
`one system of representation to
`another.”
`
`18
`
`“storing said sequence of access
`control patterns in said
`
`See “access control patterns” and
`“associative memory,” above.
`
`This term is indefinite/not amenable
`to construction under 35 U.S.C.
`
` See “access control patterns” and
`“associative memory,” above.
`
`
`Error! Unknown document property name.
`
`7
`
`7
`
`
`
`Investigation No. 337-TA-945
`Exhibit to Joint Claim Construction Chart
`
`
`
`
`’577 Term
`associative memory” (’577
`patent claim 29; ’853 patent
`claim 60)
`
`Cisco
`Otherwise plain and ordinary
`meaning
`
`Arista
`§112, ¶ 2 at least because “access
`control patterns” are not described
`in the specification.
`
`Staff
`Otherwise plain and ordinary
`meaning
`
`
`
`
`April 14, 2015
`
`
`
`
`
`19
`
`“generating a plurality of said
`access control patterns in
`response to one of said access
`control specifiers” (’577 patent
`claim 30)
`
`“generating a plurality of said
`access control patterns based on one
`of said access control specifiers”
`
`This term is indefinite/not amenable
`to construction under 35 U.S.C.
`§112, ¶ 2 at least because “access
`control patterns” are not described
`in the specification.
`
` generating a plurality of said access
`control patterns based on one of
`said access control specifiers
`
`
`Error! Unknown document property name.
`
`8
`
`8
`
`
`
`Investigation No. 337-TA-945
`Exhibit to Joint Claim Construction Chart
`
`
`
`20
`
`’577 Term
`“generating a single one of said
`access control patterns in
`response to a plurality of said
`access control specifiers” (’577
`patent claim 31)
`
`April 14, 2015
`
`Staff
`N/A
`
`Cisco
`N/A
`
`Arista
`This term is indefinite/not amenable
`to construction under 35 U.S.C.
`§112, ¶ 2 at least because “access
`control patterns” are not described
`in the specification.
`
`
`
`
`
`Agreed Constructions
`
`
`1
`
`2
`
`’577 Term
`Whether preamble is limiting
`(’577 patent claim 1)
`
`“A method, including the steps of
`maintaining a set of access control
`patterns in at least one associative
`memory” (’577 patent claim 1)
`
`
`Error! Unknown document property name.
`
`Agreed
`Preamble is not limiting to the
`extent the preamble is “A method
`including the steps of.” To the extent
`the preamble also includes
`“maintaining a set of access control
`patterns in at least one associative
`memory,” the preamble is limiting.
`
`See “whether preamble is limiting,”
`above, and proposed constructions
`of “access control patterns” and
`“associative memory” (below).
`
`9
`
`9
`
`
`
`Investigation No. 337-TA-945
`Exhibit to Joint Claim Construction Chart
`
`
`
`
`’577 Term
`
`5
`
`6
`
`“a hardware content-associative
`memory” (’577 patent claim 5)
`“ternary content-associative
`memory” (’577 patent claim 7)
`
`
`
`
`
`April 14, 2015
`
`Agreed
`Otherwise no construction
`necessary.
`
`
`“a content addressable memory”
`
`“a ternary content addressable
`memory”
`
`
`Error! Unknown document property name.
`
`10
`
`10
`
`
`
`Investigation No. 337-TA-945
`Exhibit to Joint Claim Construction Chart
`
`U.S. Patent No. 7,023,853
`
`April 14, 2015
`
`’853 Term
`“access control pattern” (’577
`patent claim 1, 5, 9, 28-31; ’853
`patent claims 46, 60, 62)
`
`
`Cisco
`See ’577 above.
`
`Arista
`See ’577 above.
`
`Staff
`See ’577 above.
`
`See ’577 above.
`
`See ’577 above.
`
`See ’577 above.
`
`See ’577 above.
`
`See ’577 above.
`
`See ’577 above.
`
`
`
`
`
`
`
`
`
`
`
`
`
`
`
`
`
`11
`
`
`1
`
`2
`
`3
`
`4
`
`
`
`
`
`
`
`
`
`“associative memory” (’577
`patent claim 1, 5, 7, 10, 29;
`’853 patent claims 46, 60)
`
`See ’577 above.
`
`“responsive to” (’577 patent claim
`1, 9, 16, 28;
`’853 patent claim 46)
`
`See ’577 above.
`
`“matchable information” (’577
`patent claim 1, 22;
`’853 patent claims 46, 54)
`
`
`See ’577 above.
`
`
`Error! Unknown document property name.
`
`11
`
`
`
`Investigation No. 337-TA-945
`Exhibit to Joint Claim Construction Chart
`
`
`’853 Term
`“making a routing[-] decision in
`response to said access result”
`(’577 patent claim 1;
`’853 patent claim 46)
`
`
`5
`
`
`
`
`
`6
`
`7
`
`Cisco
`See ’577 above.
`
`Arista
`See ’577 above.
`
`Staff
`See ’577 above.
`
`April 14, 2015
`
`“access control specifier” (’577
`patent claims 28, 29 30, 31; ’853
`patent claims 60-63)
`
`
`See ’577 above.
`
`See ’577 above.
`
`See ’577 above.
`
`
`
`
`
`
`
`
`
`“translating said sequence of
`access control specifiers into said
`sequence of access control
`patterns” (’577 patent claims 29;
`’853 patent claim 60)
`
`See “access control patterns” and
`“access control specifiers” above.
`Otherwise, plain and ordinary
`meaning.
`
`If “translating” needs to be
`construed: “transforming data from
`one system of representation to
`another.”
`
`This term is indefinite/not amenable
`to construction under 35 U.S.C.
`§112, ¶ 2 at least because “access
`control patterns” are not described in
`the specification.
`
` See “access control patterns” and
`“access control specifiers” above.
`Otherwise, plain and ordinary
`meaning.
`
`If “translating” needs to be
`construed: “transforming data from
`one system of representation to
`another.”
`
`
`Error! Unknown document property name.
`
`12
`
`12
`
`
`
`Investigation No. 337-TA-945
`Exhibit to Joint Claim Construction Chart
`
`
`
`
`’853 Term
`
`Cisco
`
`Arista
`
`Staff
`
`April 14, 2015
`
`
`
`
`
`8
`
`“storing said sequence of access
`control patterns in said associative
`memory” (’577 patent claim 29;
`’853 patent claim 60)
`
`See “access control patterns” and
`“associative memory,” above.
`Otherwise plain and ordinary
`meaning
`
`This term is indefinite/not amenable
`to construction under 35 U.S.C.
`§112, ¶ 2 at least because “access
`control patterns” are not described in
`the specification.
`
` See “access control patterns” and
`“associative memory,” above.
`Otherwise plain and ordinary
`meaning
`
`See ‘577 patent
`
`9
`
`“said packet label being sufficient
`to perform access control
`processing for said packet” (’853
`patent claim 46)
`
`Plain and ordinary meaning
`
`See 13 below
`
`Plain and ordinary meaning
`
`
`Error! Unknown document property name.
`
`13
`
`13
`
`
`
`Investigation No. 337-TA-945
`Exhibit to Joint Claim Construction Chart
`
`
`
`
`’853 Term
`
`Cisco
`
`Arista
`
`Staff
`
`April 14, 2015
`
`
`
`
`
`
`
`10
`
`“forwarding permission” (
`’853 patent claim 63)
`
`Plain and ordinary meaning
`
`
`N/A
`
`Plain and ordinary meaning
`
`11
`
`“said matchable information
`being responsive to said packet
`label” (claim 46)
`
`“said matchable information being
`derived from the packet label”
`
`See 14 below
`
`said matchable information being
`based on the packet label
`
`
`Error! Unknown document property name.
`
`14
`
`14
`
`
`
`Investigation No. 337-TA-945
`Exhibit to Joint Claim Construction Chart
`
`
`
`12
`
`’853 Term
`means for maintaining a set of
`access control patterns in at least
`one associative memory;
`( ’853 patent claim 46)
`
`April 14, 2015
`
`Staff
`Function: maintaining a set of
`access control patterns in at least one
`associative memory
`
`Structure: one or more content-
`addressable memory units of the
`type described in col. 6:54-55
`
`Cisco
`Function: maintaining a set of access
`control patterns in at least one
`associative memory.
`
`Structure: one or more content-
`addressable memory units and a
`general-purpose processor, program
`and data memory, and mass storage
`(’853 Patent, Fig. 1 “CPU”; 5:21-
`25), executing operating system
`software (’853 Patent, 5:21-25;
`1:33–37) performing the steps of
`recording and keeping up a set of
`access control patterns in at least one
`associative memory” (’853 Patent,
`Abstract; Fig. 2; 4:54-63; 5:33-46;
`5:55-6:20)
`
`Arista
`Function: maintaining a set of access
`control patterns in at least one
`associative memory
`
`Corresponding structure:
`
`None - no structure or algorithm is
`provided to perform the recited
`function, therefore this term is
`indefinite/not amenable to
`construction under 35 U.S.C. § 112,
`t 2 at least because “access control
`patterns” are not described in the
`specification.
`
`
`
`
`Error! Unknown document property name.
`
`15
`
`15
`
`
`
`Investigation No. 337-TA-945
`Exhibit to Joint Claim Construction Chart
`
`
`’853 Term
`
`13 means for receiving a packet label
`responsible to a packet, said
`packet label being sufficient to
`perform access control processing
`for said packet;
`___________________
`
`means for receiving a packet label
`responsible to a packet
`(’853 patent claim 46)
`
`Cisco
`Function: receiving a packet label
`responsive to a packet
`
`Structure: access control element’s
`input port (Fig. 2, 201)
`
`Arista
`Function: receiving a packet label
`responsible to a packet, said packet
`label being sufficient to perform
`access control processing for said
`packet
`
`Corresponding structure: packet
`input interface 201 in Figure 2; 4:43-
`44
`
`April 14, 2015
`
`Staff
`(For: means for receiving a packet
`label responsible to a packet, said
`packet label being sufficient to
`perform access control processing
`for said packet)
`
`Function: receiving a packet label
`responsive to a packet
`
`Structure: input port to an access
`control element of the type shown in
`Fig. 2 (element 201)
`
`
`
`14
`
`means for matching matchable
`information, said matchable
`information being responsive to
`said packet label, with said set of
`access control patterns in parallel;
`(’853 patent claim 46)
`
`Function: matching matchable
`information, said matchable
`information being responsive to said
`packet label, with said set of access
`control patterns in parallel.
`
`
`Function: matching matchable
`information said matchable
`information being responsive to said
`packet label, with said set of access
`control patterns in parallel.
`
` Function: matching matchable
`information said matchable
`information being responsive to said
`packet label, with said set of access
`control patterns in parallel.
`
`
`
`Error! Unknown document property name.
`
`16
`
`16
`
`
`
`Investigation No. 337-TA-945
`Exhibit to Joint Claim Construction Chart
`
`
`
`
`’853 Term
`
`April 14, 2015
`
`Staff
`Structure: one or more content-
`addressable memory units of the
`type described in col. 6:54-55
`
`Cisco
`Structure: access control memory
`(Fig. 2, 210), including one or more
`content-addressable memory units of
`the type shown in Fig. 2 (element
`210)
`
`Arista
`Corresponding structure:
`
`None - no structure or algorithm is
`provided to perform the recited
`function, therefore this term is
`indefinite/not amenable to
`construction under 35 U.S.C. § 112,
`¶ 2 at least because “access control
`patterns” are not described in the
`specification.
`
`
`
`15
`
`means for generating a set of
`matches in response thereto, each
`said match having priority
`information associated therewith;
`(’853 patent claim 46)
`
`Function: generating a set of
`matches in response thereto, each
`said match having priority
`information associated therewith.
`
`Structure: access control memory
`(Fig. 2, 210), including one or more
`content-addressable memory units of
`
`Function: generating a set of
`matches in response thereto, each
`said match having priority
`information associated therewith
`
`Corresponding structure: access
`control memory 210; 4:54-6
`
`Function: generating a set of
`matches, each said match having
`associated priority information.
`
`Structure: one or more content-
`addressable memory-units of the
`type described in col. 6:54-55
`
`
`
`Error! Unknown document property name.
`
`17
`
`17
`
`
`
`Investigation No. 337-TA-945
`Exhibit to Joint Claim Construction Chart
`
`
`
`
`’853 Term
`
`Cisco
`the type shown in Fig. 2 (element
`210)
`
`
`Arista
`
`Staff
`
`
`
`April 14, 2015
`
`
`
`16 means for selecting at least one of
`said matches in response to said
`priority information, and
`generating an access result in
`response to said at least one
`selected match; and (’853 patent
`claim 46)
`
`Function: (1) selecting at least one
`of said matches in response to said
`priority information and (2)
`generating an access result in
`response to said at least one selected
`match.
`
`Structure: priority encoder (Fig. 2,
`220)
`
`Function: selecting at least one of
`said matches in response to said
`priority information
`Corresponding structure: priority
`encoder 220; 5:4-10
`
`Function: (1) selecting at least one
`of said matches in response to said
`priority information, and (2)
`generating an access result in
`response to said at least one selected
`match
`
`Structure: priority encoder of the
`type set forth in Fig. 2 (element 220)
`and described in col. 5:1-20
`
`
`Error! Unknown document property name.
`
`18
`
`18
`
`
`
`Investigation No. 337-TA-945
`Exhibit to Joint Claim Construction Chart
`
`
`
`
`’853 Term
`
`Cisco
`
`Arista
`
`Staff
`
`April 14, 2015
`
`
`
`
`
`17 means for … generating an access
`result in response to said at least
`one selected match
`(’853 patent claim 46)
`
`Function: (1) selecting at least one
`of said matches in response to said
`priority information and (2)
`generating an access result in
`response to said at least one selected
`match.
`
`Structure: priority encoder (Fig. 2,
`220)
`
`Function: generating an access result
`in response to said at least one
`selected match
`
`Corresponding structure: None - no
`structure or algorithm is provided to
`perform the recited function,
`therefore this term is indefinite/not
`amenable to construction under 35
`U.S.C. § 112, ¶ 2 at least because no
`structure is disclosed for “generating
`an access result.”
`
`Function: (1) selecting at least one
`of said matches in response to said
`priority information, and (2)
`generating an access result in
`response to said at least one selected
`match
`
`Structure: priority encoder of the
`type set forth in Fig. 2 (element 220)
`and described in col. 5:1-20
`
`
`Error! Unknown document property name.
`
`19
`
`19
`
`
`
`Investigation No. 337-TA-945
`Exhibit to Joint Claim Construction Chart
`
`
`
`18
`
`’853 Term
`means for making a routing
`decision in response to said access
`result. (’853 patent claim 46)
`
`April 14, 2015
`
`Staff
`Function: making a routing decision
`in response to said access result
`
`Structure: a priority encoder of the
`type set forth in Fig. 2 (element 220)
`and described in col. 5:1-20
`
`Cisco
`Function: making a routing decision
`in response to said access result.
`
`Structure: (1) output port (Fig. 2,
`202) and priority encoder (Fig. 2,
`220) and/or (2) a general-purpose
`processor, program and data
`memory, and mass storage (’853
`Patent, Fig. 1 “CPU”; 5:21-25),
`executing operating system software
`(’853 Patent, 5:21-25; 1:33–38)
`performing at least the step of
`comparing a packet to administrative
`policies or restrictions (’853 Patent,
`5:25-30)
`
`Arista
`Function: making a routing decision
`in response to said access result
`
`Corresponding structure:
`
`None - no structure or algorithm is
`provided to perform the recited
`function, therefore this term is
`indefinite/not amenable to
`construction under 35 U.S.C. § 112,
`¶ 2 at least because the patent fails
`to disclose any structure that makes
`a “routing decision.”
`
`
`
`
`Error! Unknown document property name.
`
`20
`
`20
`
`
`
`Investigation No. 337-TA-945
`Exhibit to Joint Claim Construction Chart
`
`
`
`19
`
`’853 Term
`means for choosing a first one of
`said matches. (’853 patent claim
`47)
`
`Cisco
`Function: choosing a first one of
`said matches generated in response
`to matching matchable information.
`
`Structure: priority encoder (Fig. 2,
`220)
`
`April 14, 2015
`
`Arista
`Function: choosing a first one *of
`said matches generated in response
`to matching matchable information
`
`Corresponding structure: priority
`encoder 220 configured to receive
`an indicator from the access control
`specifiers regarding matches and to
`select the access control specifier
`with the lowest address in the access
`control memory and described in
`col. 5:4-13
`
`Staff
`Function: choosing a first one of
`said matches.
`
`Structure: priority encoder of the
`type set forth in Fig. 2 (element 220)
`configured to receive an indicator
`from the access control specifiers
`regarding matches and to select the
`access control specifier with the
`lowest address in the access control
`memory and described in col. 5:1-20
`
`
`
`20 means for determining an output
`interface for said packet. (’853
`patent claim 48)
`
`Function: determining an output
`interface for said packet.
`
`Structure: routing element (Fig. 1,
`110) or access control element (Fig.
`1, 120)
`
`Function: determining an output
`interface for said packet
`
`Corresponding structure: None - no
`structure or algorithm is provided to
`perform the recited function,
`
`Function: determining an output
`interface for the packet
`
`Structure: routing element of the
`type set forth in Fig. 1 (element
`110). *
`
`
`Error! Unknown document property name.
`
`21
`
`21
`
`
`
`Investigation No. 337-TA-945
`Exhibit to Joint Claim Construction Chart
`
`
`
`
`’853 Term
`
`Cisco
`
`
`
`Arista
`therefore this term is indefinite/not
`amenable to construction under 35
`U.S.C. § 112, ¶ 2 at least because
`the patent fails to disclose structure
`that “determin[es] an output
`interface for said packet.”
`
`April 14, 2015
`
`Staff
`
`
`*At the present time, depending on
`expert opinion regarding the patent
`disclosures to one of ordinary skill
`in the art, the Staff expects the
`evidence may show that the
`specification does not disclose
`sufficient corresponding structure
`for this function under 35 U.S.C. §
`112 ¶ 2.
`
`
`
`
`21 means for implementing a quality
`of service policy. (’853 patent
`claim 49)
`
`Function: implementing a quality of
`service policy.
`
`Structure: access control element
`(Fig. 1, 120)
`
`Function: implementing a quality of
`service policy
`
`Corresponding structure: None - no
`structure or algorithm is provided to
`perform the recited function,
`
`Function: implementing a quality of
`service policy.
`
`Structure: access control element of
`the type shown in Fig. 2.*
`
`
`Error! Unknown document property name.
`
`22
`
`22
`
`
`
`Investigation No. 337-TA-945
`Exhibit to Joint Claim Construction Chart
`
`
`
`
`’853 Term
`
`Cisco
`
`
`
`
`Arista
`therefore this term is indefinite/not
`amenable to construction under 35
`U.S.C. § 112, ¶ 2 at least because
`the patent fails to disclose structure
`that implements “a quality of service
`policy.”
`
`April 14, 2015
`
`Staff
`
`
`
`*At the present time, depending on
`expert opinion regarding the patent
`disclosures to one of ordinary skill
`in the art, the Staff expects the
`evidence may show that the
`specification does not disclose
`sufficient corresponding structure
`for this function under 35 U.S.C. §
`112 ¶ 2.
`
`
`
`22
`
`means for permitting or denying
`access for said packet. (’853 patent
`claim 50)
`
`Function: permitting or denying
`access for said packet.
`
`Structure: output port (Fig. 2, 202)
`and priority encoder (Fig. 2, 220)
`
`Function: permitting or denying
`access for said packet
`
`Corresponding structure:
`
`Function: permitting or denying
`access for the packet
`
`Structure: priority encoder of the
`type set forth in Fig. 2 (element 220)
`and described in col. 5:1-20 and
`
`
`Error! Unknown document property name.
`
`23
`
`23
`
`
`
`Investigation No. 337-TA-945
`Exhibit to Joint Claim Construction Chart
`
`
`
`
`’853 Term
`
`Cisco
`
`
`
`
`Arista
`None - no structure or algorithm is
`provided to perform the recited
`function, therefore this term is
`indefinite/not amenable to
`construction under 35 U.S.C. § 112,
`¶ 2 at least because the patent fails
`to disclose structure that “permit[s]
`or den[ies] access” for a packet.
`
`April 14, 2015
`
`Staff
`output port of the type shown in Fig.
`2 (element 202)
`
`
`
`23
`
`means for making a preliminary
`routing decision for said packet.
`(’853 patent claim 51)
`
`Function: making a preliminary
`routing decision for said packet
`
`Structure: routing element (Fig. 1,
`110)
`
`
`Function: making a preliminary
`routing decision for said packet
`
`Corresponding structure: None - no
`structure or algorithm is provided to
`perform the recited function,
`therefore this term is indefinite/not
`amenable to construction under 35
`U.S.C. § 112, ¶ 2 at least because
`the patent fails to disclose structure
`
`Function: making a preliminary
`routing decision for the packet
`
`Structure: routing element of the
`type set forth in Fig. 1 (element
`110)*
`
`*At the present time, depending on
`expert opinion regarding the patent
`disclosures to one of ordinary skill
`
`
`Error! Unknown document property name.
`
`24
`
`24
`
`
`
`Investigation No. 337-TA-945
`Exhibit to Joint Claim Construction Chart
`
`
`
`
`’853 Term
`
`Cisco
`
`Arista
`“for making a preliminary routing
`decision for said packet”
`
`April 14, 2015
`
`Staff
`in the art, the Staff expects the
`evidence may show that the
`specification does not disclose
`sufficient corresponding structure
`for this function under 35 U.S.C. §
`112 ¶ 2.*
`
`*At the present time, depending on
`expert opinion regarding the patent
`disclosures to one of ordinary skill
`in the art, the Staff expects the
`evidence may show that the
`specification does not disclose
`sufficient corresponding structure
`for this function under 35 U.S.C. §
`112 ¶ 2.
`
`
`
`
`Error! Unknown document property name.
`
`25
`
`25
`
`
`
`Investigation No. 337-TA-945
`Exhibit to Joint Claim Construction Chart
`
`
`’853 Term
`
`24 means for determining at least one
`output interface for said packet.
`(’853 patent claim 52)
`
`Cisco
`Function: determining at least one
`output interface for said packet
`
`Structure: routing element (Fig. 1,
`110) or access control element (Fig.
`1, 120)
`
`Arista
`Function: determining at least one
`output interface for said packet
`
`Corresponding structure: None - no
`structure or algorithm is provided to
`perform the recited function,
`therefore this term is indefinite/not
`amenable to construction under 35
`U.S.C. § 112, ¶ 2 at least because
`the patent fails to disclose structure
`that “determines an output interface”
`for a packet.
`
`April 14, 2015
`
`Staff
`Function: determining at least one
`output interface for the packet.
`
`Structure: routing element of the
`type set forth in Fig. 1 (element
`110)*
`
`*At the present time, depending on
`expert opinion regarding the patent
`disclosures to one of ordinary skill
`in the art, the Staff expects the
`evidence may show that the
`specification does not disclose
`sufficient corresponding structure
`for this function under 35 U.S.C. §
`112 ¶ 2. 1
`
`
`
`
`1 At the present time, the Staff expects the evidence to show that the specification does not disclose sufficient corresponding structure for this function as required
`by 35 U.S.C. § 112 ¶ 2.
`
`Error! Unknown document property name.
`
`26
`
`26
`
`
`
`Investigation No. 337-TA-945
`Exhibit to Joint Claim Construction Chart
`
`
`
`25
`
`’853 Term
`means for preprocessing said
`packet label; and (’853 patent
`claim 54)
`
`Cisco
`Function: preprocessing said packet
`label
`
`Structure: routing element (Fig. 1,
`110) or a comparison circuit of the
`type set forth in Fig. 2 (element 230)
`
`Arista
`Function: preprocessing said packet
`label
`
`Corresponding structure:
`comparison circuit 230 and CAM
`232; 4:54-67; 6:21-31
`
`April 14, 2015
`
`Staff
`Function: preprocessing the packet
`label
`
`Structure: a comparison circuit of
`the type set forth in Fig. 2 (element
`230) including a finite state machine
`of the type set forth in Fig. 2
`(element 232)
`
`
`
`26
`
`means for generating said
`matchable information. (’853
`patent claim 54)
`
`Function: generating matchable
`information
`
`Structure: routing element (Fig. 1,
`110) or a comparison circuit of the
`type set forth in Fig. 2 (element 230)
`
`Function: generating said matchable
`information
`
`Corresponding structure:
`comparison circuit 230 and CAM
`232; 6:21-31
`
`Function: generating matchable
`information
`
`Structure: (1) a comparison circuit
`of the type set forth in Fig. 2
`(element 230); or (2) routing
`element as set forth in Fig. 1,
`element 110 and described in col.
`6:56-57.
`
`
`Error! Unknown document property name.
`
`27
`
`27
`
`
`
`Investigation No. 337-TA-945
`Exhibit to Joint Claim Construction Chart
`
`
`
`
`’853 Term
`
`Cisco
`
`Arista
`
`Staff
`
`April 14, 2015
`
`
`
`
`
`27 means for comparing a source IP
`port value or a destination IP port
`value with a selected port value.
`(’853 patent claim 56)
`
`Function: comparing a source IP
`port value or a destination IP port
`value with a selected port value.
`
`Structure: access control memory
`(Fig. 2, 210), including one or more
`content addressable memory units of
`the type shown in Fig. 2 (element
`210)
`
`Function: comparing a source IP
`port value or a destination IP port
`value with a selected port value
`
`Corresponding structure:
`comparison circuit 230 and CAM
`232. Ex. 1001, 6:21-32
`
`Function: compare a source IP port
`value or a destination IP port value
`with a selected port value.
`
`Structure: (1) one o
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