Case 2:23-cv-00059-JRG Document 113-8 Filed 08/16/24 Page 1 of 142 PageID #: 6389
`Case 2:23-cv-00059-JRG Document 113-8 Filed 08/16/24 Page 1 of 142 PagelD #: 6389
`
`EXHIBIT 8
`
`

`

`Case 2:23-cv-00059-JRG Document 113-8 Filed 08/16/24 Page 2 of 142 PageID #: 6390
`Case 2:23-cv-00059-JRG Document 113-8 Filed 08/16/24 Page 2 of 142 PagelD #: 6390
`
`TOUCHSTREAM TECHNOLOGIES,INC.,
`Plaintiff,
`
`Lr
`
`V.
`
`CHARTER COMMUNICATIONS,INC. etal.,
`Defendants.
`
`IN THE UNITED STATES DISTRICT COURT
`FOR THE EASTERN DISTRICT OF TEXAS
`MARSHALL DIVISION
`
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`TOUCHSTREAM TECHNOLOGIES,INC.,
`Plaintiff,
`
`V.
`
`COMCAST CABLE COMMUNICATIONS,
`LLC,d/b/a XFINITY,et al.,
`
`Defendants.
`
`Lead Case No. 2:23-cv-00059-JRG
`MemberCase No. 2:23-cv-00062-IRG
`
`DEFENDANTS’ THIRD SUPPLEMENTAL DISCLOSURES
`PURSUANTTO P.R.3-3 AND 3-4
`
`

`

`Case 2:23-cv-00059-JRG Document 113-8 Filed 08/16/24 Page 3 of 142 PageID #: 6391
`Case 2:23-cv-00059-JRG Document 113-8 Filed 08/16/24 Page 3 of 142 PagelD #: 6391
`
`TABLE OF CONTENTS
`
`PAGE
`
`I.
`
`Grounds for Invalidity Called for Under P.R. 3-3 ......cccccscssccssteeseeceeecseeeeseeeeseecseeeseesseeeees 2
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`McMahonAloneor in view of Morris ’677, Patel, or
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`
`A.
`
`B.
`
`C.
`
`State Of the Art... ccccscssecsseeesecseecsseeeseeeeeeeceeeeseeeeeeeceeeseeeeeeeceeesseeeeseeeeseeseeeesneees 2
`
`Invalidity under 35 U.S.C. § 101 oo... cccccssscssesseessecseeceececeseeseeeseeseecseesseeseesseeeees 10
`
`Invalidity under 35 U.S.C. §§ 102 and 103.00... ccccsccssessceseesseeseeseecseecseesseeseeeees 11
`
`1.
`
`U.S. Patent No. 8,356,251... ccccssccssessessscssecseceecseecseecseesseeseesseseeeseeeseesaees 11
`
`a.
`
`b.
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`c.
`
`d.
`
`e.
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`f.
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`g.
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`h.
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`i.
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`j.
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`k.
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`1.
`
`The Xfinity TV Remote Mobile Application alone or in
`View Of MCMahON.........cccceccessccseecseceeseeecneeceeeceeeeeaeccaeeseeesseeseeseaes 23
`
`Redford Aloneor in view of Morris ’677, Patel, or
`Haywat......ccccccccssccssseecseesseeeseecseecsecseeeeeeecsecseeeeeeeeseecseeeeseessaeeaas 25
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`Clicker Alone or in view of Morris ’677, Patel, or Hayward....... 30
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`Danciu Alone or in view of Morris ’677, Patel, or Hayward....... 34
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`Klein Alone or in view of Morris ’677, Patel, or Hayward.......... 38
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`Livingston Alone or in view of Morris ’677, Patel, or
`Haywat......ccccccccssccssseccsecseceeseeecseecseecseeeeeeeceeesseeeeeeeesesseeeeseessaeeses 43
`
`McMahonAloneorin view of Birkler ...0........ccccccccsceseteesneeeseeeees 47
`
`Redford Aloneor in view of Birkler..........ccccccccssccssecseteesteeeseeeees 51
`
`Danciu Alone or in view Of Birkler............cccccscccsseceeecsseesteeseeeeees 54
`
`Livingston Aloneor in view of Birkler.........ceccecceeceeeeeeeeeeeeeeeees 57
`
`Calvert in view of McMahon,Redford, Danciu, Klein, or
`LIVINGSTON .0.....ccceccssceesceseeecsaeceeeesaeeceeceaecseeeesueceaeeseeeeeeaeesaeseeeeenees 60
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`m.
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`McMahon,Redford, Danciu, Klein, Livingston...............ccccseeees 65
`
`n.
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`p.
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`Muthukumarasamy Aloneor in view of Hayward..........:ceeee 67
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`Sung Aloneor in view Of Dashet.............cccccssccesecstesstecsseeseeessneees 72
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`Sung Aloneor in view Of Agnihotri ..........ccccccsccsteessteceeeesseeeseeees 75
`
`

`

`Case 2:23-cv-00059-JRG Document 113-8 Filed 08/16/24 Page 4 of 142 PageID #: 6392
`Case 2:23-cv-00059-JRG Document 113-8 Filed 08/16/24 Page 4 of 142 PagelD #: 6392
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`q.
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`I.
`
`S.
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`t.
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`u.
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`V.
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`Sukeda Alone or in view of Morelli and Pierce............cccccsceseees 78
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`Choin view of Morelli and Pierce... eecccecceecceeeeeeeeeeeeeeeeeeeeees 81
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`Spencer Alone or in view of Morelli and/or Pierce ............cccc0 85
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`Alsina Alone or in view of Morelli and/or Pierce............cccccsseees 88
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`Maddali Alone or in view of Morelli and/or Pierce............cccccee 92
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`Morris 491 Aloneor in view of Morelli and/or Pierce................ 96
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`Invalidity Under 35 U.S.C. § 112 ..ecccccccccscssecseeseceeeeeeeeceeeeeceeeeeeeaeeeeeeseaseeeeaeenees 106
`
`D.
`
`2.
`
`3.
`
`1.
`
`2.
`
`3.
`
`U.S. Patent No. 11,048,751 oo... ccecccccsccssecreeeeceeeeeeeeceeeeceeeeeceaeseeeeeeateeeeaes 100
`
`U.S. Patent No. 11,086,934... cccccccssecneeseceeeeeeeeceeeeeceeeeeeeaeeeeeeeeatenseaes 103
`
`U.S. Patent No. 8,356,251... cccccccccceescsseeeeeeceeeeeeeeceeeeceeeeeceaeeeeeeeeateaeeaes 106
`
`U.S. Patent No. 11,048,751 oo... ccecccccsccssecreeeeceeeeeeeeceeeeceeeeeceaeseeeeeeateeeeaes 118
`
`U.S. Patent No. 11,086,934... cccccccssecneeseceeeeeeeeceeeeeceeeeeeeaeeeeeeeeatenseaes 127
`
`Il.
`
`PLR. 3-4 oocccccccccssesecsseceeesesaeceeaecaeesecaeeseesecaassessaeeaecaeeaeesecaeeaaeaecaeeeesaaeaeeesaeeeeeateaeeaeeaeeaseaes 135
`
`ii
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`ÿ
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`

`

`Case 2:23-cv-00059-JRG Document 113-8 Filed 08/16/24 Page 5 of 142 PageID #: 6393
`Case 2:23-cv-00059-JRG Document 113-8 Filed 08/16/24 Page 5 of 142 PagelD #: 6393
`
`Third Supplemental Disclosure (March 27, 2024):
`
`In response to Touchstream’s Supplemental Disclosure of Asserted Claims and
`
`2024, Defendants Comcast Cable Communications, LLC, Comcast Cable Communications
`
`Management, LLC, and Comcast of Houston, LLC (together, “Comcast”), Defendants Charter
`
`Communications, Inc., Charter Communications Operating, LLC, Time Warner Cable
`
`Enterprises LLC, Spectrum Management Holding Company, LLC, Spectrum Gulf Coast, LLC,
`
`and Charter Communications, LLC (together, “Charter’’) (all collectively, “Defendants”’) hereby
`
`submit their Third Supplemental Disclosures Pursuant to P.R. 3-3 and 3-4 to Plaintiff
`
`Touchstream Technologies, Inc. (“Plaintiff’ or “Touchstream”). Defendants reproduce their
`
`original disclosures along with their first, second, and third supplemental disclosures below, and
`
`incorporate by reference the exhibits and document production that accompanied their August4,
`
`2023, Disclosures Pursuant to P.R. 3-3 and 3-4 (“Defendants’ August 4, 2023 Disclosures”) as
`
`well as the exhibits and documentproduction that accompanied their December 13, 2023,
`
`supplemental Disclosures Pursuant to P.R. 3-3 and 3-4 (“Defendants’ December13, 2023
`
`Infringement Contentions and Charts to the Comcast and Charter Defendants dated February 26,
`
` ÿ
`
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`Disclosures”).
`
`The third supplemental disclosures provided herein are based on information reasonably
`
`available to Defendants at the present time. Defendants’ investigations of their defenses are
`
`ongoing, as is discovery in this action. Defendants reserve the right to amend and/or supplement
`
`these disclosures periodically as additional information becomesavailable and/or additional
`
`analysis is performed, including withoutlimitation in connection with claim construction
`
`proceedings and in accordance with P.R. 3-6. These disclosures are provided withoutthe benefit
`
`of the Court’s claim construction or knowledge of Touchstream’s claim construction positions,
`
`

`

`Case 2:23-cv-00059-JRG Document 113-8 Filed 08/16/24 Page 6 of 142 PageID #: 6394
`Case 2:23-cv-00059-JRG Document 113-8 Filed 08/16/24 Page 6 of 142 PagelD #: 6394
`
`and with the understandingthat a range of claim construction positions may potentially be
`
`advanced bythe parties and adopted by the Court. These third supplemental disclosures and any
`
`exhibits attached or incorporated by reference hereto therefore should not be deemed to admit the
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`correctnessor incorrectness of any construction of any limitation of any asserted patent claim.
`
`Moreover, particular constructions advocated by Touchstream or adopted by the Court may give
`
`rise to additional defenses not reflected herein, including, for example, defenses under 35 U.S.C.
`
`§ 112. Defendants reserve the right to assert such defensesin the future. Furthermore, by making
`
`these disclosures, Defendants do not concede the adequacy of Touchstream’s infringement
`
`contentions or productions made pursuant to P.R. 3-1 and 3-2 or that any assertion or
`
`construction inherent in those contentionsis correct.
`
`I.
`
`Groundsfor Invalidity Called for Under P.R.3-3
`
`Touchstream hasasserted claims 1, 2, 5, 7, 8, and 9 of U.S. Patent No. 8,356,251 (the
`
`“°251 Patent’); claims 12, 13, 14, and 16 of U.S. Patent No. 11,048,751 (the “’751 Patent”); and
`
`claims 17, 18, 19, and 20 of U.S. Patent No. 11,086,934 (the “934 Patent”) against all
`
`Defendants. Defendants hereby provide their contentions regarding the invalidity of the asserted
`
`claimsof the asserted patents pursuant to P.R. 3-3.
`
`A.
`
`State of the Art
`
`Before the alleged inventions of the patents-in-suit, a wide variety of devices had
`
`proliferated for accessing media content. See, e.g., Nallusamyat | (“Data, voice, video, and
`
`wireless networksare fast converging with smart phones, IPTVs, VoIP phones, [and] portable
`
`multimedia devices .
`
`.
`
`. for accessing digital content.”); U.S. Patent No. 8,327,403 (“Chilvers”)
`
`at 1:10-13 (“Recent advances in media communications technology have madeit possible for
`
`users to access interactive media guidance applications implemented on user equipment without
`
`being in physical proximity to the user equipment.”); U.S. Patent App. No. 2008/0235588
`
`

`

`Case 2:23-cv-00059-JRG Document 113-8 Filed 08/16/24 Page 7 of 142 PageID #: 6395
`Case 2:23-cv-00059-JRG Document 113-8 Filed 08/16/24 Page 7 of 142 PagelD #: 6395
`
`(“Gonze”) at 0010 (“Manydevices, including, without limitation, personal computers (‘PC’s’),
`
`laptops, personal digital assistants (‘PDA’s’), cellular telephones, gaming consoles, and portable
`
`media players (‘PMP’s’) are now capable of playing [audio, video and/or other typesof]
`
`content.”). The concept of a digital home—in which multiple different devices work together to
`
`create the user’s multimedia environment—catered to this availability of diverse media devices.
`
`See, e.g., Fagui at 440 (“With the growing awarenessand popularity of the digital home concept,
`
`Atpresent, media applications are mainly applying UPnP technology while part of the
`
`applications are supported by IGRS. With the implementation of the standard AV application
`
`framework, the media devices can access resources in the home network.”’).
`
`The different devices typically accessed content through different networks and
`
`communicated through different formats. Lee at 1 (“As home multimedia devices become
`
`increasingly commonplace, receiving and storing multimedia content through various channels
`
`even on a home network becomespossible. .
`
`.
`
`. Internet Protocol (IP) is a multimedia data
`
`streaming service that provides data in various formats to multimediaclients in real time through
`
`the developmentof digital multimedia, an important section in digital home,is also in full swing.
`
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`a homeserver.”); Chilvers at 1:66-2:5 (“The general remote access service may maintain a
`
`lookuptable that cross-references user requests with action requests in a plurality of formats,
`
`each compatible with a different user equipment device. A particular format may be selected
`
`based on characteristics of the user equipment device, such as its vendor and/or model.”); Gonze
`
`at 0005 (“The rapid growth in digitally-available content has also spurred the creation of a
`
`variety of media players .
`
`.
`
`. To facilitate the user's access to digital content, many media players
`
`can play content encoded using a variety of media types.”).
`
`

`

`Case 2:23-cv-00059-JRG Document 113-8 Filed 08/16/24 Page 8 of 142 PageID #: 6396
`Case 2:23-cv-00059-JRG Document 113-8 Filed 08/16/24 Page 8 of 142 PagelD #: 6396
`
`The devices within the environmentcould share content in numerous ways, including
`
`of three available modes.First, display screen only, in which case the user interface is displayed
`
`only on the display screen of the IRC. Second,television display only, in which case the user
`
`interface is displayed only on the television or similar display device. Third, dual display, in
`
`which case the user interface is displayed on both screens.”). Alternatively, a user could switch
`
`from viewing content on one device to resuming the content on another device. See, e.g., McCoy
`
`at Abstract (“In this way,the useris able to retrieve the asset on all their content playback
`
`devices, not only on the content playback device on whichthe asset wasoriginally played.”’).
`
`In order to facilitate communications between the various devices and to ensure that
`
`screen casting and mirroring. See, e.g., Fan at 0016 (“The display mode can be selected from one
`
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`devices interacted only with authorized devices and users, it was standard practice to implement
`
`some form ofidentifier (such as a synchronization code) for each device and/or a pairing code
`
`between the devices to set up communications between the devices. See, e.g., Cho at 0008 (“In
`
`order to configure a home network, a security system must be built to prevent a device from
`
`being manipulated by an external intruder. The UPnP technology provides an UPnPsecurity
`
`console standard and an UPnP device security standard so as to present a security function
`
`between a CP and the device. The standards provide security functions such as discrimination of
`
`an UPnP control message, integrity, and authentication.”); Cho at 0023 (“[T]ransmitting
`
`authentication information to the control device or the controlled device via an SAC generated
`
`by using a Transport Layer Security Pre-Shared Key ciphersuites (TLS-PSK) protocol
`
`implemented by using the PIN information, wherein the authentication information is necessary
`
`for a user to control the controlled device via the control device.”); Christopher at 0050 (“[I]f a
`
`service provider system (such as one of the computing devices 130 of Fig. 1) detects that the
`
`

`

`Case 2:23-cv-00059-JRG Document 113-8 Filed 08/16/24 Page 9 of 142 PageID #: 6397
`Case 2:23-cv-00059-JRG Document 113-8 Filed 08/16/24 Page 9 of 142 PagelD #: 6397
`
`subscriber has a mobile device server 504, or a mobile device server 504 is offered to and
`
`accepted by the subscriber, the service provider system can proceed to step 608 whereit
`
`generates a pairing key which can be usedto identify the service grade(s) of the subscriber.”).
`
`The identifiers could further allow for customization between the user and devices. See, e.g., Fan
`
`at Abstract (“The remote control further includes a storage medium that may include a unique
`
`identifier of the user and a userprofile indicative of the user’s channel preferences and viewing
`
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`homenetworks, an existing personal computer (PC)—centered network environmentin the home
`
`permissions.”).
`
`One well-established framework for managing the interoperability of media devices
`
`within a user environment was UPnP (Universal Plug and Play). See, e.g., Fagui at 440 (“At
`
`present, media applications in digital home network are mainly applying UPnP technology.”);
`
`Sung at 1 (“Demand of multimedia content in home network is growing rapidly and UPnP is
`
`expected to bring better multimedia experience with various A/V devices.”). UPnP addressed the
`
`growth of the home media environment. See, e.g., Cho at 0005 (“Due to the development of
`
`has expanded into a network environment which includeselectronic devices using various lower
`
`network technologies. In this regard, there was a necessity to develop a technology that can
`
`network the electronic devices with a unified system by using Internet Protocol (IP) protocol,
`
`thus, a home network middleware technology such as Universal Plug and Play (UPnP)
`
`technology has been presented.”). UPnP “provides a network architecture that facilitates adding
`
`and removing devices from a network. For instance, the UPnP architecture allows a user to
`
`simply ‘plug’ a new device into a network coupling, and thereafter the network will
`
`automatically determine the characteristics of the new device and subsequently coordinate
`
`interaction between this new device and others in the network based on the determined
`
`

`

`Case 2:23-cv-00059-JRG Document 113-8 Filed 08/16/24 Page 10 of 142 PageID #: 6398
`Case 2:23-cv-00059-JRG Document 113-8 Filed 08/16/24 Page 10 of 142 PagelD #: 6398
`
`characteristics.” Kuehnel at 1:12-20. UPnP “is particularly well suited for networks associated
`
`with a local setting, such as a home,a business, a school, etc.” Kuehnel at 1:20-23. UPnP
`
`architecture “may interconnect a collection of media source devices and a collection of media
`
`rendering devices”—‘‘an exemplary media source device might comprise a personal computer
`
`that stores a collection of music, video, pictures, etc.” and “an exemplary media rendering device
`
`might comprise a TV, stereo, personal computer, and so on.” Kuehnelat 1:35-39. A control point
`
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