`
`Examination Decision on Request for Invalidation (No. 56754)
`
`Decision No.
`Date of Decision
`
`Title of the Invention-Creation
`
`International Classification No.
`
`Petitioner for Invalidation
`
`Patentee
`Patent No.
`Application Date
`Priority Date
`Date of Announcement of the
`Grant of Patent Right
`Date
`of Request
`Invalidation
`Legal basis
`
`the
`
`for
`
`4W112441
`June 23, 2022
`MANAGING ASSOCIATED SESSIONS IN A
`NETWORK
`H04L29/06
`SHANGHAI TWENTY-FOURTH BRANCH OF
`XIAOMI HOME COMMERCIAL CO., LTD.
`KONINKLIJKE KPN N.V.
`201080013541.8
`January 19, 2010
`January 19, 2009
`
`December 9, 2015
`
`May 21, 2021
`
`Rule 20.1 of the Implementing Regulations of the
`Patent Law; Article 22.3 of the Patent Law
`
`Main points of the Decision:
`
`Determination of whether a claim clearly expresses the protection scope should be
`done from the perspective of those skilled in the art in combination with common
`technical knowledge of the art.
`
`If the technical solution of a claim differs from the closest prior art, other prior arts do
`not give a technical inspiration of combining with the closest prior art, nor is there
`evidence that the distinguishing feature is common knowledge of the art, and the
`technical solution of the claim can bring about beneficial technical effects, then the
`claim has inventiveness.
`
`5
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`1
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`Koninklijke KPN NV - Exhibit 2020
`Ericsson Inc. v. Koninklijke KPN NV PTAB-IPR2022-00557
`Page 1 of 97
`
`
`
`I. Brief of the Case
`
`The present Examination Decision on Request for Invalidation concerns the patent No.
`201080013541.8, titled "MANAGING ASSOCIATED SESSIONS IN A NETWORK"
`(hereinafter referred to as "the contested patent"). The contested patent had a filing
`date of January 19, 2010, claimed a priority date of January 19, 2009, and had a grant
`date of December 9, 2015. The Patentee was initially KONINKLIJKE KPN N.V.,
`NEDERLANDSE
`ORGANISATIE
`VOOR
`TOEGEPAST-NATUURWETENSCHAPPELIJK ONDERZOEK TNO, and
`then
`changed to KONINKLIJKE KPN N.V.
`
`The granted claims of the contested patent are as follows.
`
`
`"1. Method for managing associated sessions in a network, the network
`comprising a network element configured for managing associated sessions between
`the network and user equipment, the method comprising:
`- providing a composition session identifier for associating sessions in a
`network;
`- exchanging the composition session identifier between a user equipment and
`the network element; and
`- associating two or more sessions with the composition session identifier by
`exchanging the composition session identifier.
`
`2. Method according to claim 1, wherein the method further comprises the step of
`initiating a composition session.
`
`3. Method according to claim 2, wherein the method further comprises the steps
`
`of:
`
`- the user equipment generating a composition session identifier;
`- sending a request for initiating a composition session from the user equipment
`to the network element, the request comprising the composition session identifier.
`
`4. Method according to claim 2, wherein the method further comprises the steps
`
`of:
`
`- sending a request for initiating a composition session from the user equipment
`to the network element;
`- the network element generating a composition session identifier in response to
`2
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`Koninklijke KPN NV - Exhibit 2020
`Ericsson Inc. v. Koninklijke KPN NV PTAB-IPR2022-00557
`Page 2 of 97
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`the receipt of the request;
`- sending the composition session identifier to the user equipment.
`
`5. Method according to any of claims 1-4, wherein the method further comprises
`the steps of:
`- the user equipment initiating two or more sessions by sending two or more
`session initiation requests for a session, to the network element, each request
`comprising the composition session identifier.
`
`6. Method according to claim 5, wherein the session initiation requests are sent
`by using a SIP INVITE message.
`
`7. Method according to any of claims 1-4, wherein the method further comprises
`the steps of:
`- the network element initiating two or more or more sessions by sending two or
`more requests for a session to the user equipment, each requests comprising the
`composition session identifier.
`
`8. Method according to claim 7, the requests for a session are sent by using a SIP
`INVITE message.
`
`9. Method according to any of claims 3-4, wherein the request for initiating a
`composition session further comprises one or more session identifiers.
`
`10. Method according to claim 3-4, the request for initiating a composition
`session further comprises resource reservation information and/or resource allocation
`information associated with the one or more sessions identified by the session
`identifiers.
`
`11. Method according to claim 5, wherein the two or more sessions comprise at
`least one of a broadcast (BC) session associated with a BC identifier (BCServicelD),
`a content-on-demand (CoD) session associated with a CoD identifier (CoDID), a
`Targeted Advertisement Insertion (TAI) session associated with a TAI identifier,
`network personal video content (NPVC) session associated with a NPVR identifier
`(NPVRContentID), a user generated content (UGC) session associated with a UGC
`identifier, a Public Switched Telecommunications Network (PSTN) emulation session
`associated with a PSTN emulation identifier and/or a shared content (SC) session
`associated with a SC identifier.
`
`
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`Koninklijke KPN NV - Exhibit 2020
`Ericsson Inc. v. Koninklijke KPN NV PTAB-IPR2022-00557
`Page 3 of 97
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`12. Method according to any of claims 1-4, wherein the combined streams of the
`associated sessions are presented to a user as a personalized composed multimedia
`stream.
`
`13. Method according to any of claims 1-4, wherein the network further
`comprises storage means, the method further comprising the step of:
`- the network element storing the composition session identifier and two or more
`associated session identifiers in the storage means.
`
`14. Method according to claim 13, wherein the storage means is a database.
`
`15. Method according to any of claims 2-4, the method further comprising the
`step of:
`- modifying the composition session by adding one or more sessions to the
`composition session, by terminating; or modifying one or more sessions in the
`composition session and/or by transferring one or more sessions from the composition
`session to a further composition session or outside the composition session.
`
`16. Method according to any of claims 1-4, wherein the network is an IP
`Multimedia Subsystem (IMS) network comprising an IMS core connected to a Service
`Control Function SCF, the SCF configured for managing associated sessions between
`the network and the User Equipment.
`
`17. A system for managing associated sessions in a network, the system
`comprising:
`- a network element configured for managing associated sessions between the
`network and a user equipment; for exchanging a composition session identifier with a
`user equipment; and, for associating two or more sessions with the composition
`session identifier by exchanging the composition session identifier;
`- a user equipment configured for providing a composition session identifier for
`associating sessions in a network; and, for exchanging the composition session
`identifier with the network element.
`
`18. A user equipment for use in a system according to claim 17, the user
`equipment comprising:
`- an ID generator for generating a composition session identifier;
`- a multimedia client configured for receiving the composition session identifier
`
`
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`Koninklijke KPN NV - Exhibit 2020
`Ericsson Inc. v. Koninklijke KPN NV PTAB-IPR2022-00557
`Page 4 of 97
`
`
`
`from the ID generator; for exchanging the composition session identifier with a
`network element; for initiating one or more multimedia sessions with the network
`element; and for exchanging the composition session identifier with the network
`element during the set up of the multimedia sessions.
`
`19. A user equipment according to claim 18, further configured for initiating a
`composition session.
`
`20. A network element for use in a system according to claim 17, the network
`element comprising:
`- a session manager configured for exchanging a composition session identifier
`with a user equipment; and for setting up and modifying multimedia sessions;
`- a storage means for storing composition session information, the composition
`session information comprising information regarding composition session and the
`associated sessions.
`
`21. A network element according to claim 20, further configured for initiating,
`and/or terminating and/or modifying a composition session.
`
`22. A network element according to claim 20 or 21, the network element further
`comprising:
`- an ID generator for generating a composition session identifier.
`
`23. Apparatus for managing associated sessions in a network, the network
`comprising a network element configured for managing associated sessions between
`the network and user equipment, the apparatus comprising:
`- unit for providing a composition session identifier for associating sessions in a
`network;
`- unit exchanging the composition session identifier between a user equipment
`and the network element; and
`- unit for associating two or more sessions with the composition session identifier by
`exchanging the composition session identifier."
`
`Regarding the above patent right, the valid claims confirmed in the Invalidation
`Decision No. 34593 issued on January 19, 2018 by the China National Intellectual
`Property Administration (hereafter referred to as "CNIPA") are as follows:
`
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`Koninklijke KPN NV - Exhibit 2020
`Ericsson Inc. v. Koninklijke KPN NV PTAB-IPR2022-00557
`Page 5 of 97
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`"1. Method for managing associated sessions in a network, the network
`comprising a network element configured for managing associated sessions between
`the network and user equipment, the method comprising:
`- providing a composition session identifier for associating sessions in a
`network;
`- exchanging the composition session identifier between a user equipment and
`the network element; and
`- associating two or more sessions with the composition session identifier by
`exchanging the composition session identifier,
`wherein the method further comprises the step of initiating a composition
`session,
`wherein the method further comprises the steps of:
`- the user equipment generating a composition session identifier;
`- sending a request for initiating a composition session from the user equipment
`to the network element, the request comprising the composition session identifier,
`wherein the method further comprises the steps of:
`- the user equipment initiating two or more sessions by sending two or more
`session initiation requests for a session, to the network element, each request
`comprising the composition session identifier,
`of:
`the method further comprising the step
`- modifying the composition session by adding one or more sessions to the
`composition session, by terminating; or modifying one or more sessions in the
`composition session and/or by transferring one or more sessions from the composition
`session to a further composition session or outside the composition session.
`
`2. Method according to claim 1, wherein the session initiation requests are sent
`by using a SIP INVITE message.
`
`3. Method according to claim 1, wherein the method further comprises the steps
`
`30
`
`of:
`
`- the network element initiating two or more sessions by sending two or more
`requests for a session to the user equipment, each requests comprising the
`composition session identifier.
`
`4. Method according to claim 3, the requests for a session are sent by using a SIP
`INVITE message.
`
`5. Method according to claim 1, wherein the request for initiating a composition
`
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`Koninklijke KPN NV - Exhibit 2020
`Ericsson Inc. v. Koninklijke KPN NV PTAB-IPR2022-00557
`Page 6 of 97
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`session further comprises one or more session identifiers.
`
`6. Method according to claim 1, the request for initiating a composition session
`further comprises resource reservation information and/or resource allocation
`information associated with the one or more sessions identified by the session
`identifiers.
`
`7. Method according to claim 1, wherein the two or more sessions comprise at
`least one of a broadcast (BC) session associated with a BC identifier (BCServiceID),
`a content-on-demand (CoD) session associated with a CoD identifier (CoDID), a
`Targeted Advertisement Insertion (TAI) session associated with a TAI identifier,
`network personal video content (NPVC) session associated with a NPVR identifier
`(NPVRContentID), a user generated content (UGC) session associated with a UGC
`identifier, a Public Switched Telecommunications Network (PSTN) emulation session
`associated with a PSTN emulation identifier and/or a shared content (SC) session
`associated with a SC identifier.
`
`8. Method according to claim 1, wherein the combined streams of the associated
`sessions are presented to a use as a personalized composed multimedia stream.
`
`9. Method according to claim 1, wherein the network further comprises storage
`means, the method further comprising the step of:
`- the network element storing the composition session identifier and two or more
`associated session identifiers in the storage means.
`
`10. Method according to claim 9, wherein the storage means is a database.
`
`11. Method according to claim 1, wherein the network is an IP Multimedia
`Subsystem (IMS) network comprising an IMS core connected to a Service Control
`Function SCF, the SCF configured for managing associated sessions between the
`network and the User Equipment.
`
`12. A system for managing associated sessions in a network, the system
`comprising:
`- a network element configured for managing associated sessions between the
`network and a user equipment; for exchanging a composition session identifier with a
`user equipment; and, for associating two or more sessions with the composition
`session identifier by exchanging the composition session identifier;
`
`
`
`7
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`Koninklijke KPN NV - Exhibit 2020
`Ericsson Inc. v. Koninklijke KPN NV PTAB-IPR2022-00557
`Page 7 of 97
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`- a user equipment configured for providing a composition session identifier for
`associating sessions in a network; and, for exchanging the composition session
`identifier with the network element,
`- the user equipment generating a composition session identifier;
`- sending a request for initiating a composition session from the user equipment
`to the network element, the request comprising the composition session identifier,
`- the user equipment initiating two or more sessions by sending two or more
`session initiation requests for a session, to the network element, each request
`comprising the composition session identifier,
`- modifying the composition session by adding one or more sessions to the
`composition session, by terminating; or modifying one or more sessions in the
`composition session and/or by transferring one or more sessions from the composition
`session to a further composition session or outside the composition session.
`
`13. A user equipment for use in a system according to claim 12, the user
`equipment comprising:
`- an ID generator for generating a composition session identifier;
`- a multimedia client configured for receiving the composition session identifier
`from the ID generator; exchanging the composition session identifier with a network
`element; for initiating one or more multimedia sessions with the network element; and
`for exchanging the composition session identifier with the network element during the
`set up of the multimedia sessions.
`
`14 . A user equipment according to claim 13, further configured for initiating a
`composition session.
`
`15 . A network element for use in a system according to claim 12, the network
`element comprising:
`- a session manager configured for exchanging a composition session identifier
`with a user equipment; and for setting up and modifying multimedia sessions;
`- a storage means for storing composition session information, the composition
`session information comprising information regarding composition session and the
`associated sessions.
`
`16. A network element according to claim 15, further configured for initiating,
`and or terminating and or modifying a composition session.
`
`17. A network element according to claim 15 or 16, the network element further
`
`
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`Koninklijke KPN NV - Exhibit 2020
`Ericsson Inc. v. Koninklijke KPN NV PTAB-IPR2022-00557
`Page 8 of 97
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`comprising:
`- an ID generator for generating a composition session identifier."
`
`
`Regarding the above patent right, Shanghai Twenty-Fourth Branch of Xiaomi Home
`Commercial Co., Ltd. (hereafter referred to "the Petitioner") filed on May 21, 2021 a
`Request for Invalidation with
`the CNIPA,
`together with
`the granted
`text
`CN102356623B of the contested patent and the following exhibits:
`
`Exhibit 1: US2006/0031523A1 and Chinese translation thereof, published on
`February 9, 2006;
`
`Exhibit 2: EP1978758A1 and Chinese translation thereof, published on October 8,
`2008;
`
`Exhibit 3: CN101026815A, published on February 25, 2006.
`
`The Petitioner raised the Request for Invalidation on the grounds that the protection
`scopes of claims 1-13 and 15 are unclear, contrary to Rule 20.1 of the Implementing
`Regulations of the Patent Law; (2) claims 1-17 involve no inventive step in the sense
`of Article 22.3 of the Patent Law.
`
`After the examination as to formalities was passed, the CNIPA accepted the aforesaid
`request for invalidation on June 1, 2021, transferred the Request for Invalidation as
`well as the exhibits to the Patentee, and called up a collegiate panel (hereinafter
`referred to as “the Panel”) to examine the present case.
`
`The Petitioner filed a Response on June 21, 2021, together with the granted text
`CN102356623B of the contested patent and the following exhibits:
`
`Exhibit 1: the publication document of the US patent US2008/0109853A1 and
`Chinese translation thereof, published on May 8, 2008;
`
`Exhibit 2: an Internet Draft entitled "A Session Identifier for the Session Initiation
`Protocol (SIP) draft-kaplan-sip-session-id-01" and Chinese translation thereof,
`
`
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`Koninklijke KPN NV - Exhibit 2020
`Ericsson Inc. v. Koninklijke KPN NV PTAB-IPR2022-00557
`Page 9 of 97
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`published on November 30, 2008;
`
`Exhibit 3: the publication document of the US patent US2006/0031523A1 and
`Chinese translation thereof, published on February 9, 2006;
`
`Exhibit 4: the publication document of the US patent US2004/0125757A1 and
`Chinese translation thereof, published on July 1, 2006;
`
`Exhibit 5: the Revised Proposal for the ETSI TISPAN#19-Ter Standard named
`"(Procedure_for _Personal_Stream_Composition)19tTD080_WI2070_" and Chinese
`translation thereof, published on January 14, 2009;
`
`Exhibit 6: Master's Theses of Soochow University, "The Research and Design of IP
`Multicast Desktop Video Conference Based on SIP", I136-263, Yao Qin-qin, China
`Master’s Theses Full-text Database, Information Technology (Monthly), No. 3, 2008,
`published on February 16, 2008 to March 15, 2008, China Academic Journals (CD
`Edition) Electronic Publishing House (CNKI), the Petitioner asserted that it was
`published on April 1, 2007;
`
`Exhibit 7: RFC 4353 and Chinese translation thereof, published on February 28, 2006;
`
`Exhibit 8: Specification Draft ETSI DTS 182 027 V3.0.2 (2008-07) and Chinese
`translation thereof, published on November 14, 2008;
`
`Exhibit 9: Master's Thesis of Soochow University, "Research and Design of a VoIP
`Teleconferencing System Based on P2P-SIP Technique", I136-512, NIE PENG-peng,
`Chinese Master’s Theses Full-Text Database, Information Science and Technology
`Series (monthly), No. 11, 2008, published from October 16, to November 15, 2008,
`China Academic Journal (CD) Electronic Journals Publishing House Co., Ltd. (CNKI
`China National Knowledge Infrastructure), published on November 15, 2008;
`
`Exhibit 10: RFC 4579 and Chinese translation thereof, published on August 31, 2006;
`
`Exhibit 11: Draft "Session Initiation Protocol Call Control-Conferencing for User
`
`
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`Koninklijke KPN NV - Exhibit 2020
`Ericsson Inc. v. Koninklijke KPN NV PTAB-IPR2022-00557
`Page 10 of 97
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`Agents draft-ietf-sipping-cc-conferencing-07" of RFC 4579 and Chinese translation
`thereof, published on June 30, 2005;
`
`Exhibit 12: Technical Specification ETSI TS 182 027 v2.0.0 (2008-02) and Chinese
`translation thereof, published in February, 2008.
`
`The Petitioner raised the following arguments. (1) the amendments to claims 3 and 4
`exceed the scope of the initial disclosure, contrary to Article 33 of the Patent Law; (2)
`the protection scopes of claims 1-17 are unclear, contrary to Rule 20.1 of the
`Implementing Regulations of the Patent Law; (3) when Exhibit 1, Exhibit 5 or Exhibit
`6 is employed respectively as the closest prior art in combination with other exhibits
`and/or common knowledge, claims 1-17 involve no inventive step in the sense of
`Article 22.3 of the Patent Law; the Petitioner indicated that this Response has covered
`all exhibits and reasons stated in the Request for Invalidation.
`
`In response to the Request for Invalidation submitted by the Petitioner, the Patentee
`filed a Response, the amended claims and counterevidence 1 on July 16, 2021. The
`specific amendments include removing dependent claims 3, 4 and 17, and amending
`the serial number and dependencies of the claims accordingly. The Patentee argued
`that the amended claims of the contested patent conform to the relevant provisions of
`the Patent Law and the Implementing Regulations of the Patent Law. The submitted
`counterevidence 1 is RFC 3261 and partial Chinese translation thereof.
`
`The Panel issued a Notice of Forwarding Documents on August 6, 2021, forwarding
`the Response as well as copies of the exhibits that the Petitioner submitted on June 21,
`2021 to the Patentee, and issued a Notice of Forwarding Documents on the same day,
`forwarding the Response, the amended claims and counterevidence 1 that the Patentee
`submitted on July 16, 2021 to the Petitioner.
`
`In response to the Notice of Forwarding Documents issued by the Panel to the
`Patentee on August 6, 2021, the Patentee resubmitted a Response and the amended
`claims as well as counterevidence 2 on September 22, 2021, wherein the amended text
`is the same as the amended text submitted on July 16, 2021, and the specific
`amendments include removing dependent claims 3, 4 and 17, and amending the serial
`
`
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`Koninklijke KPN NV - Exhibit 2020
`Ericsson Inc. v. Koninklijke KPN NV PTAB-IPR2022-00557
`Page 11 of 97
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`
`
`number and dependencies of the claims accordingly. The counterevidence 2 is RFC
`2326 and partial Chinese translation thereof. The Patentee deemed in the Response
`that the amended claims conform to the relevant provisions of the Patent Law and the
`Implementing Regulations of the Patent Law, and requested to maintain the validity of
`the patent right.
`
`The Panel issued a Notice of Forwarding Documents on October 14, 2021, forwarding
`the Response, the amended claims and counterevidence 2 that the Patentee submitted
`on September 22, 2021 to the Petitioner.
`
`The Panel issued a Notice of Oral Hearing to both parties on March 25, 2022, and
`scheduled an Oral Hearing on May 10, 2022.
`
`In response to another Request for Invalidation (the Request for Invalidation was filed
`on January 7, 2022 with a case No. 4W113708), the Patentee submitted the amended
`claims on April 11, 2022, wherein the claims were amended based on the text of the
`claims that were confirmed by the previously issued Examination Decision on
`Request for Invalidation No. 34593, the amendments including removing dependent
`claims 3, 4 and 17, incorporating dependent claim 14 into claim 13, incorporating
`dependent claim 16 into claim 15, and amending the serial numbers and dependencies
`of the claims adaptively. The amended claims submitted herein are as follows:
`
`
`"1. Method for managing associated sessions in a network, the network
`comprising a network element configured for managing associated sessions between
`the network and user equipment, the method comprising:
`- providing a composition session identifier for associating sessions in a
`network;
`- exchanging the composition session identifier between a user equipment and
`the network element; and
`- associating two or more sessions with the composition session identifier by
`exchanging the composition session identifier,
`wherein the method further comprises the step of initiating a composition
`session,
`wherein the method further comprises the steps of:
`- the user equipment generating a composition session identifier;
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`Koninklijke KPN NV - Exhibit 2020
`Ericsson Inc. v. Koninklijke KPN NV PTAB-IPR2022-00557
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`- sending a request for initiating a composition session from the user equipment
`to the network element, the request comprising the composition session identifier,
`wherein the method further comprises the steps of:
`- the user equipment initiating two or more sessions by sending two or more
`session initiation requests for a session, to the network element, each request
`comprising the composition session identifier,
`of:
`the method further comprising the step
`- modifying the composition session by adding one or more sessions to the
`composition session, by terminating; or modifying one or more sessions in the
`composition session and/or by transferring one or more sessions from the composition
`session to a further composition session or outside the composition session.
`
`2. Method according to claim 1, wherein the session initiation requests are sent
`by using a SIP INVITE message.
`
`3. Method according to claim 1, wherein the request for initiating a composition
`session further comprises one or more session identifiers.
`
`4. Method according to claim 1, the request for initiating a composition session
`further comprises resource reservation information and/or resource allocation
`information associated with the one or more sessions identified by the session
`identifiers.
`
`5. Method according to claim 1, wherein the two or more sessions comprise at
`least one of a broadcast (BC) session associated with a BC identifier (BCServiceID),
`a content-on-demand (CoD) session associated with a CoD identifier (CoDID), a
`Targeted Advertisement Insertion (TAI) session associated with a TAI identifier,
`network personal video content (NPVC) session associated with a NPVR identifier
`(NPVRContentID), a user generated content (UGC) session associated with a UGC
`identifier, a Public Switched Telecommunications Network (PSTN) emulation session
`associated with a PSTN emulation identifier and/or a shared content (SC) session
`associated with a SC identifier.
`
`6. Method according to claim 1, wherein the combined streams of the associated
`sessions are presented to a use as a personalized composed multimedia stream.
`
`7. Method according to claim 1, wherein the network further comprises storage
`means, the method further comprising the step of:
`
`
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`Koninklijke KPN NV - Exhibit 2020
`Ericsson Inc. v. Koninklijke KPN NV PTAB-IPR2022-00557
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`- the network element storing the composition session identifier and two or more
`associated session identifiers in the storage means.
`
`8. Method according to claim 7, wherein the storage means is a database.
`9. Method according to claim 1, wherein the network is an IP Multimedia
`Subsystem (IMS) network comprising an IMS core connected to a Service Control
`Function SCF, the SCF configured for managing associated sessions between the
`network and the User Equipment.
`
`10. A system for managing associated sessions in a network, the system
`comprising:
`- a network element configured for managing associated sessions between the
`network and a user equipment; for exchanging a composition session identifier with a
`user equipment; and, for associating two or more sessions with the composition
`session identifier by exchanging the composition session identifier;
`- a user equipment configured for providing a composition session identifier for
`associating sessions in a network; and, for exchanging the composition session
`identifier with the network element,
`- the user equipment generating a composition session identifier;
`- sending a request for initiating a composition session from the user equipment
`to the network element, the request comprising the composition session identifier,
`- the user equipment initiating two or more sessions by sending two or more
`session initiation requests for a session, to the network element, each request
`comprising the composition session identifier,
`- modifying the composition session by adding one or more sessions to the
`composition session, by terminating; or modifying one or more sessions in the
`composition session and/or by transferring one or more sessions from the composition
`session to a further composition session or outside the composition session.
`
`11. A user equipment for use in a system according to claim 10, the user
`equipment comprising:
`- an ID generator for generating a composition session identifier;
`- a multimedia client configured for receiving the composition session identifier
`from the ID generator; exchanging the composition session identifier with a network
`element; for initiating one or more multimedia sessions with the network element; and
`for exchanging the composition session identifier with the network element during the
`set up of the multimedia sessions, and
`further configured for initiating a composition session.
`
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`12. A network element for use in a system according to claim 10, the network
`element comprising:
`- a session manager configured for exchanging a composition session identifier
`with a user equipment; and for setting up and modifying multimedia sessions, and
`further configured for initiating, and or terminating and or modifying a composition
`session;
`- a storage means for storing composition session information, the composition
`session information comprising information regarding composition session and the
`associated sessions."
`
`The Panel issued a Notice of Forwarding Documents on April 27, 2022, forwarding
`the Response as well as the amended claims that the Patentee submitted on April 11,
`2022 in response to the Request for Invalidation No. 4W113708 to the Petitioner.
`
`The Petitioner submitted a Response and exhibits on April 27, 2022, including notarial
`certificates, and mailed the original notarized certificates of Exhibits 13-15 to the
`Panel. The exhibits submitted herein are as follows (serial number continued from
`previous):
`
`Exhibit 13: (2021) Notarial Certificate No. 04759 of Beijing Guoxin Notary Public
`Office and translation of some screenshots for proving authenticity and publication
`dates of Exhibits 5 and 8;
`Exhibit 14: (2021) Notarial Certificate No. 04760 of Beijing Guoxin Notary Public
`Office and translation of some screenshots for proving authenticity and publication
`dates of Exhibits 6, 9 and 10;
`Exhibit 15: (2021) Notarial Certificate No. 04761 of Beijing Guoxin Notary Public
`Office and translation of some screenshots for proving authenticity and publication
`dates of Exhibits 2, 7, 11 and 12;
`Exhibit 16: scanned copy of the search report of the document download certification
`project issued by CAICT for proving authenticity and publication dates of Exhibits 5
`and 8.
`
`The Panel issued Notices of Forwarding Documents on May 7, 2022 and May 12,
`2022 respectively, forwarding the Response and the annexes that the Petitioner
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`submitted on April 27, 2022 to