US PTAB IP Litigation

Cellco Partnership d/b/a Verizon Wireless et al. v.Headwater Partners I LLC

· IPR2024-00809

The PTAB instituted the IPR challenge against Verizon Wireless's patent (9198042), finding a reasonable likelihood of prevailing on grounds of obviousness. The Board accepted Petitioner's arguments that prior art references could be combined to teach secure execution environments for mobile data services.

Google LLC v.Proxense, LLC

· IPR2024-00784

Google LLC successfully convinced the PTAB to institute IPR proceedings against Proxense, LLC's patent (10073960). The Board found a reasonable likelihood of success on multiple obviousness grounds, particularly regarding device authentication and secure memory.

Google LLC v.Proxense, LLC

· IPR2024-00783

Google LLC successfully argued that the challenged claims were obvious over multiple combinations of prior art (Dua, Giobbi ’157, Kotola, Buer). The PTAB instituted the IPR on all 20 challenged claims after rejecting the Patent Owner's narrow claim construction arguments. This sets up a significant trial phase regarding wireless security and digital key technology.

Google LLC v.Proxense, LLC

· IPR2024-00782

Google LLC successfully secured institution in the IPR against Proxense, LLC regarding hybrid device technology. The Board found a reasonable likelihood of prevailing on obviousness grounds (35 U.S.C. § 103) across multiple claims. This decision validates Google's position that the challenged patent is anticipated by prior art combinations.

United Services Automobile Association v.Auto Telematics Ltd.

· IPR2024-00779

United Services Automobile Association (USAA) successfully argued that the patent claims related to telematics and driving safety systems were obvious under 35 U.S.C. § 103. The PTAB found a reasonable likelihood of prevailing on its assertion, advancing the IPR proceedings against Auto Telematics Ltd.'s '878 patent.

Samsung Electronics Co. Ltd et al. v.Maxell, Ltd.

· IPR2024-00777

Samsung Electronics successfully secured institution at the PTAB for its IPR against Maxell's patent 11017815. The Board found that Samsung presented a reasonable likelihood of prevailing on multiple claims, overcoming prior art challenges based on combinations of references like Horn and Baumgartner.

Microsoft Corporation v.Proxense, LLC

· IPR2024-00775

Microsoft Corporation successfully petitioned to institute IPR against Proxense, LLC regarding biometric authentication claims. The Board found reasonable likelihood of prevailing on multiple claims based on obviousness over Burger and Robinson.

Samsung Electronics Co. Ltd et al. v.Maxell, Ltd.

· IPR2024-00735

The PTAB institution decision granted IPR for Samsung against Maxell regarding video management systems. The Board found sufficient evidence that the challenged claims were obvious over various combinations of prior art references, including Horn and Baumgartner. This moves the case into substantive examination on obviousness grounds.

Samsung Electronics Co. Ltd. et al. v.Maxell, Ltd.

· IPR2024-00717

The PTAB instituted IPR against Maxell, Ltd.'s patent claims related to camera control systems. The Board declined discretionary denial despite parallel district court litigation because the petitioner agreed not to assert the same grounds there.

Samsung Electronics Co., Ltd. et al. v.Broadphone, LLC

· IPR2024-00821

The PTAB issued a Final Written Decision finding independent claim 23 of the '698 patent unpatentable over Spain-I, Hunzinger, and Nanda. The Board adopted the petitioner's plain meaning for key claim terms related to signal strength comparisons.

Cellco Partnership d/b/a Verizon Wireless et al. v.Headwater Partners I LLC

· IPR2024-00809

The Board found all 18 challenged claims unpatentable under 35 U.S.C. § 103 (obviousness). The Petitioner successfully argued that the combination of prior art references, including Limont, Wright, and Xu, disclosed the claimed invention. This final decision provides a strong defense against infringement claims in wireless communications technology.

Google LLC v.Proxense, LLC

· IPR2024-00783

The PTAB found all 20 challenged claims unpatentable over various combinations of prior art references. The Board adopted the Petitioner's view that the terms used in the patent provided sufficiently definite structure and that the combination of existing technology rendered the claimed invention obvious.

Google LLC v.Proxense, LLC

· IPR2024-00782

The Board found all challenged claims unpatentable, primarily based on obviousness (35 U.S.C. § 103). The Petitioner successfully demonstrated that the claimed hybrid device and its methods were predictable combinations of prior art references like Buer, Lee, Nishikawa, and Dua.

patent Final Written Decision · Apr 19, 2024

United Services Automobile Association v.Auto Telematics Ltd.

· IPR2024-00779

The PTAB issued a Final Written Decision finding all 27 challenged claims unpatentable based on obviousness (35 U.S.C. § 103). The Petitioner successfully argued that the combination of prior art references, including Curry and Rabu, rendered the claimed mobile device accident detection methods obvious to a POSITA.

Samsung Electronics Co. Ltd et al. v.Maxell, Ltd.

· IPR2024-00777

The PTAB issued a Final Written Decision denying unpatentability for claims 16-27. The Board found that the Petitioner failed to prove obviousness against various prior art combinations, particularly regarding limitations related to user profiles and shared video information.

patent Final Written Decision · Apr 19, 2024

Samsung Electronics Co. Ltd et al. v.Maxell, Ltd.

· IPR2024-00735

The PTAB found that claims 1-6 and 9-13 were unpatentable over Kaplan and Bryant under 35 U.S.C. § 103, while rejecting the challenge to claims 7, 8, 14, and 15 due to insufficient evidence of prior art accessibility. The Board adopted the Patent Owner's construction for 'user profile,' aligning with district court findings.

Samsung Electronics Co. Ltd. et al. v.Maxell, Ltd.

· IPR2024-00717

The PTAB found all 11 challenged claims unpatentable by obviousness (35 U.S.C. § 103). Petitioner successfully demonstrated that combining various prior art references—including Chinn, Takahashi, and Kim—would render the claimed features obvious to a Person Having Ordinary Skill in the Art (POSITA).

Pharaoh Energy Services, LLC v.Flex-Chem Holding Company, LLC et al.

· IPR2024-00822

Pharaoh Energy Services has filed an IPR petition seeking to invalidate Flex‑Chem’s 9,944,843 well‑stimulation patent. The petition relies on Frenier and Reyes as prior art to argue anticipation and obviousness of all 13 claims. The Board has yet to decide whether to institute the review.

patent denied · Apr 18, 2024

Abbott Diabetes Care Inc. et al. v.DexCom, Inc.

· IPR2024-00797

Abbott Diabetes Care and DexCom filed a joint PTAB request to keep their settlement agreement confidential under §317(b) and related regulations.

Micron Technology, Inc. et al. v.Yangtze Memory Technologies Company, Ltd.

· IPR2024-00790

Micron’s request for Director Review of IPR2024-00790 was denied after the Patent Owner filed a Notice of Appeal, which stripped the PTAB of jurisdiction. The Board cited In re Graves in reaching its decision.

Micron Technology, Inc. et al. v.Yangtze Memory Technologies Company, Ltd.

· IPR2024-00790

Micron Technology seeks Director Review of the PTAB’s decision that claim 4 of its 3‑D NAND patent remains unpatentable. The petition argues the Board misapplied obviousness law, ignoring KSR precedent and the known‑substitute teaching of Kim and Tessariol.