US PTAB IP Litigation
2,587 annotated decisions
Page 12 of 108 · 2,587 total
Comcast Corporation et al. v.Entropic Communications LLC
Comcast Cable Communications challenged Entropic's patent (8284690) in an IPR, arguing that the claimed wireless ranging and communication methods were anticipated or obvious by existing standards like IEEE-802.16 and DOCSIS-2.0. The challenge utilized multiple grounds of invalidity based on various prior art references including Waxman, Won, and Zuckerman.
Comcast Corporation et al. v.Entropic Communications LLC
Comcast challenges Entropic's '518 patent, arguing that the multi-carrier modulation and bit-loading technology is obvious under 35 U.S.C. § 103. The petitioner asserts that prior art references (Afshary, Mirfakhraei, Welles) combine to render all four claimed methods unpatentable.
Comcast Corporation et al. v.Entropic Communications LLC
Comcast Cable Communications challenged Entropic's patent (9210362) in an IPR, asserting that the wideband receiver architecture is anticipated or obvious. The petitioner relies on various prior art references, including Zhang and Mirabbasi, to invalidate claims covering digital signal processing methods.
Comcast Corporation et al. v.Entropic Communications LLC
Comcast Cable Communications filed an IPR challenging the validity of Entropic's wideband receiver system patent (9210362). The petitioner argues that all 20 claims are obvious under 35 U.S.C. § 103, relying on combinations of prior art references like Petrovic and Eidson.
Comcast Corporation et al. v.Entropic Communications LLC
Comcast Cable Communications challenges Entropic's wideband receiver patent (9210362) in an IPR, arguing the claimed digital signal processing methods are obvious. The petitioner relies on combinations of prior art references like Pugel and Crols to invalidate numerous claims under 35 U.S.C. § 103.
Comcast Corporation et al. v.Entropic Communications LLC
Comcast Cable Communications challenged Entropic's patent (11381866) in an IPR, asserting that the claims are anticipated or obvious over various prior art references. The petitioner argues that Zhang anticipates key features and combinations of Zhang with Reisman, Jackson, and Pandey render other claims obvious. The Board has instituted the proceeding based on these compelling unpatentability challenges.
Comcast Corporation et al. v.Entropic Communications LLC
Comcast Cable Communications challenged Entropic's patent (11,381,866) in an IPR proceeding, asserting that the claims are obvious over various combinations of prior art. The petitioner relies heavily on combining Cholas and Petrovic with references like Rabaey, Maalej, Lee, and Takahiko to demonstrate non-patentability under 35 U.S.C. § 103.
Comcast Corporation et al. v.Entropic Communications LLC
Comcast Cable Communications successfully requested the institution of an IPR against Entropic Communications' '866 Patent, challenging all 82 claims based on anticipation and obviousness. The petitioner asserts that numerous elements are disclosed by prior art references like Pugel, Crols, Chandrakasan, and Jensen ’170.
Comcast Corporation et al. v.Entropic Communications LLC
Comcast Cable Communications (Petitioner) challenges the validity of Entropic's patent, asserting that the claimed method for receiving digitized television signals is anticipated and obvious. The petition relies heavily on prior art references like Zhang, Reisman, Jackson, and Pandey to demonstrate multiple grounds of invalidity under 102 and 103.
Monolithic Power Systems, Inc. v.Greenthread, LLC
Monolithic Power Systems challenges Greenthread's semiconductor patent (8421195) before the PTAB, asserting that the claimed CMOS device improvements are obvious. The petitioner relies on multiple prior art references, including Onoda and Kawagoe, to demonstrate a lack of inventive step in creating electric drift fields via graded dopant concentration.
Monolithic Power Systems, Inc. v.Greenthread, LLC
Monolithic Power Systems challenged U.S. Patent No. 9,190,502 regarding semiconductor device claims (7 and 8) in an IPR proceeding. The Petitioner argues that the claimed graded dopant profiles and electric drift fields are obvious over prior art references like Onoda and Kawagoe. The Board has instituted the case for trial, finding the evidence compelling enough to proceed with the challenge.
Monolithic Power Systems, Inc. v.Greenthread, LLC
Monolithic Power Systems, Inc. initiated an IPR challenging Claim 44 of Greenthread's U.S. Patent No. 11,121,222 under 35 U.S.C. §103. The petition asserts that the claimed CMOS semiconductor fabrication structure is obvious based on prior art references including Onoda and Kawagoe.
Daifuku Co., Ltd. et al. v.CLX Engineering
Daifuku Co., Ltd. filed an IPR challenging 18 claims of CLX Engineering's patent (11386602) related to baggage tracking and visualization systems. The petitioner argues that the claimed technology is obvious under 35 U.S.C. § 103, citing combinations of prior art references like Cavada, Orito, Sommer, and Schmirler.
Arm Ltd. v.ICPillar LLC
Arm Ltd. filed a Petition challenging claims in U.S. Patent No. 8,924,899 for obviousness over prior art references Rompaey and Banerjee. The petitioner argues that the claimed integrated circuit design methods are well-developed in the state of the art. This petition is currently instituted, setting the stage for a full trial on the merits.
Valve Corporation v.Immersion Corporation
Valve Corporation petitioned the PTAB, arguing that Immersion Corporation's patent (7336260) is anticipated or obvious over prior art references Komata, Tsuji, and Rosenberg. The Board agreed to institute the IPR proceedings based on the compelling evidence presented by the petitioner.
Valve Corporation v.Immersion Corporation
Valve Corporation challenged Immersion Corporation's patent (9430042) in an IPR petition, asserting grounds of anticipation and obviousness. The petitioner argued that the claimed haptic feedback system was rendered invalid by combinations of prior art references like Ichinose/Levin and Rosenberg-I/Goldenberg.
Motorola Solutions, Inc. v.STA Group, LLC
Motorola Solutions challenged STA Group's patent (US 9319852) in an IPR, arguing that the claims are obvious over prior art references like Choksi and Shaffer1. The petitioner asserts that a Person of Ordinary Skill in the Art would have been motivated to combine elements from the cited prior art to achieve the claimed interoperability functionality. This initial petition sets up a detailed technical dispute regarding dynamic proxy insertion and device adherence determination.
Dell Technologies Inc. et al. v.LiTL LLC
Petitioners challenge U.S. Patent No. 9,563,229 regarding portable computer modes and orientation sensing, arguing that multiple claims are obvious under 35 U.S.C. § 103. The arguments rely heavily on combining Lane with Fujinawa, MIT, or Wehrenberg to show the claimed features were predictable in view of prior art.
Dell Technologies Inc. et al. v.LiTL LLC
Petitioners successfully convinced the PTAB to institute review of U.S. Patent No. 9,563,229, challenging claims related to portable computing and orientation sensing. The grounds assert that various combinations of prior art references render the claimed features obvious under 35 U.S.C. § 103.
Tempur Sealy International, Inc. et al. v.Purple Innovation, LLC
Tempur Sealy challenged Purple Innovation's '733 Patent, arguing that all 20 claims are obvious under 35 U.S.C. § 103. The Board has instituted the IPR proceedings, finding a reasonable likelihood of success for the challenger on at least one claim.
JACS Solutions, Inc. v.Global Tel*Link Corporation d/b/a ViaPath Technologies
JACS Solutions challenges Global Tel*Link's '9030292 Patent, asserting that 29 claims are obvious under 35 U.S.C. § 103. The petitioner argues that the claimed features of secure facility monitoring systems are predictable combinations of existing prior art in telecommunications and security technology.
Visa, Inc. v.Cortex MCP, Inc.
Visa challenges Cortex MCP's patent (9251531) in an IPR, arguing that the credential management technology is obvious over prior art. The petitioner asserts that existing methods for tokenization and verifiable electronic credentials render the claims unpatentable.
Dexcom, Inc. v.Abbott Diabetes Care Inc.
Dexcom, Inc. filed a Petition challenging claims 1, 13, and 29 of Abbott Diabetes Care Inc.'s patent (US 11298056). The challenger asserts that these claims are obvious under 35 U.S.C. § 103 based on combinations of prior art references like Patel-2009 and Paradigm® REAL-Time. This petition also argues against discretionary denial, asserting the arguments are new and diligent.
Next Step Group, Inc. v.Deckers Outdoor Corporation
Next Step Group challenges Deckers Outdoor Corporation's '161 patent design in a PTAB petition, asserting invalidity under both anticipation (§102) and obviousness (§103). The petitioner relies on various prior art references, including competitor products like the Emu Stinger Micro Boot and UGG Classic Mini.