Wireless communications — US PTAB Patent Cases
415 decisions indexed
Page 2 of 14 · 415 total
Geotab Inc. et al. v.Fractus, S.A.
The PTAB denied institution for the petitioner's IPR challenge against a wireless device patent related to antenna complexity. The Board found that the petitioner failed to demonstrate an ordinary skilled artisan would be motivated to combine prior art references, specifically because such combinations violated critical spatial diversity requirements of the patented invention.
Samsung Electronics Co., Ltd. et al. v.Headwater Research LLC
Samsung Electronics challenged Headwater Research's patent (8406733) in a PTAB petition, arguing that the claims are obvious over prior art combinations. The challenger asserts that combining teachings from Houghton and Ogawa, or Houghton-Ogawa with Hwang, renders the claimed device provisioning and secure communication methods predictable.
Panasonic Automotive Systems Co., Ltd. v.UNM Rainforest Innovations
Panasonic Automotive Systems challenged UNM Rainforest Innovations' patent (8265096) in an IPR, arguing that prior art from IEEE 802.11 standards anticipates or renders the claims obvious. The Board found strong arguments favoring institution based on favorable Fintiv factors.
Ericsson Inc. et al. v.General Access Solutions, Ltd.
Ericsson Inc. is challenging General Access Solutions, Ltd.'s patent (7230931) in a PTAB petition based on obviousness (103). The petitioner asserts that the claims are rendered obvious by various combinations of prior art references, including Vornefeld, Atsuta, and Youssefmir, within the context of SDMA/TDD systems.
Apple, Inc. v.THL Holding Company, LLC
Apple challenges THL Holding Company's patent on location and tracking systems via an IPR petition. The petitioner asserts that the claimed features are obvious combinations of prior art elements from mobile communication devices and Bluetooth technology. This action is part of ongoing litigation between the parties in District Court.
AT&T Corp. et al. v.Daingean Technologies Ltd.
A coalition of major telecom companies (AT&T, Ericsson, Nokia, T-Mobile) filed a Petition challenging Daingean Technologies' patent 10841958. The challenge asserts that the claims are anticipated or obvious based on prior art references Lee and Brismar.
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.
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.
Microsoft Corporation et al. v.InterDigital Patent Holdings, Inc. et al.
Microsoft Corporation initiated an IPR challenging the '933 patent claims, arguing that they are anticipated or obvious over prior art references like Forutanpour. The petitioner asserts lack of written description support in ancestor applications for methods involving Bluetooth-to-Wi-Fi protocol switching. This petition raises key issues regarding both anticipation and enablement under 102 and 103.
DISH Network L.L.C. et al. v.Entropic Communications LLC
DISH Network L.L.C. initiated an IPR challenging patent 8320566 owned by Entropic Communications LLC, arguing that the claims are obvious under 35 U.S.C. § 103. The petitioner relies on multiple combinations of prior art references, including Cleveland/Hayashino and Scheim/Tzannes, to demonstrate non-patentability in the field of OFDMA/Scrambling.
DISH Network L.L.C. et al. v.Entropic Communications LLC
DISH Network L.L.C. challenged Entropic Communications LLC's patent (8631450) in a Petition, asserting that the claims are obvious under 35 U.S.C. §103. The Board found institution warranted based on favorable application of the Fintiv and Advanced Bionics tests.
DISH Network L.L.C. et al. v.Entropic Communications LLC
DISH Network successfully petitioned the PTAB to institute an IPR against Entropic Communications' patent 8363681, targeting network synchronization and ranging methods. The petitioner asserts that the claims are obvious over various combinations of prior art standards like IEEE802.3ah, Shvodian, Frei, and Ovadia. This institutional decision sets up a detailed examination of technical obviousness in wireless communications.
T-Mobile USA, Inc. et al. v.Wireless Alliance, LLC et al.
T-Mobile and other petitioners successfully petitioned to challenge Wireless Alliance's patent (9144106) regarding carrier management methods. The petition raised grounds of obviousness under 35 U.S.C. § 103, citing prior art from Lee et al. and Kim et al., leading the Board to institute the review.
Samsung Electronics America, Inc. et al. v.Cobblestone Wireless LLC
Samsung Electronics America filed a petition challenging the validity of Cobblestone Wireless's '802 patent, asserting that its multi-carrier transmission claims are obvious in light of mid-2000s prior art. The petitioner argues that established technologies like Suzuki and Fernandez render the claimed methods predictable modifications to known systems.
T-Mobile USA, Inc. et al. v.Wireless Alliance, LLC et al.
Petitioners T-Mobile USA and AT&T Services challenge four claims of the '662 Patent based on obviousness (35 U.S.C. § 103) and priority date rejection (35 U.S.C. § 102). They argue that combining prior art references Lee et al. and Kim et al. renders the claimed carrier aggregation/HARQ methods obvious. The petition also challenges the patent's priority, arguing lack of support for specific limitations.
AT&T Corp et al. v.Daingean Technologies Ltd.
AT&T and its partners filed a Petition challenging Daingean Technologies' '400 Patent, asserting that claims 5, 7, and 8 are anticipated or obvious by the prior art reference R2-1702708. The challenge focuses on dual-connectivity/5G standards, arguing that an Ericsson technical contribution discloses all elements of the challenged claims. This is a critical early stage attack in ongoing litigation against Daingean Technologies.
Amazon.com, Inc. et al. v.Nokia Technologies Oy
Amazon challenges Nokia's video coding patents (8,050,321) in an IPR petition, arguing that the claims are obvious over established standards like MPEG-1 and prior art references such as Kim and Yagasaki. The petitioner asserts that existing technologies render the core inventive concepts of the patent predictable.
Lenovo (United States), Inc. et al. v.Telefonaktiebolaget LM Ericsson et al.
Lenovo challenged Ericsson's patent on IMSI encryption technologies before the PTAB, arguing that the claims are obvious in light of prior art. The petitioner relies on combinations of Nair and Forsberg, along with 3GPP standards, to demonstrate lack of non-obviousness. This petition asserts that existing knowledge made the claimed security enhancements predictable.
AMAZON.COM, INC. et al. v.Nokia Technology Oy
Amazon challenges Nokia's video coding patent (8204134) in an IPR, asserting that the claimed methods are obvious under 35 U.S.C. § 103. The petition relies on combinations of prior art references including Yagasaki, Oliver, Lyon, and Ran to demonstrate unpatentability across multiple claims.
Intel Corporation et al. v.TELEFONAKTIEBOLAGET L M ERICSSON et al.
Intel Corporation initiated this Petition challenging the validity of Ericsson's patent (7151430), asserting that all 21 claims are obvious over various combinations of prior art. The petitioner relies heavily on Taniguchi, Midya, and Raghavan to demonstrate that claimed features in inductive coupling/antenna design were already known or suggested.
AT&T Corp et al. v.Daingean Technologies Ltd.
Multiple major carriers (AT&T, Ericsson, T-Mobile) filed a Petition challenging Daingean Technologies' patent covering base station apparatus for transport block segmentation. The challengers argue the claims are anticipated and obvious under 35 U.S.C. § 102/103 using prior art references Lee and Zheng.
Google LLC v.Proxense, LLC
Google challenges Proxense's patent claims in a PTAB petition, arguing the technology is obvious over various prior art references. The petitioner contends that existing hybrid devices integrating secure memory and reader circuits render the claimed digital key/reader systems unpatentable.
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