Plaintiff
23 cases as plaintiff.
Proxense, LLC is a privately held non-practicing entity (NPE) and a former operating company that was formally incorporated in Delaware in September 2005, evolving from a "limited venture" founded in 2001. John J. Giobbi is identified as the company's founder and CEO, and a prolific inventor with approximately 75 patent assets held by Proxense, LLC, most listing him as a named inventor.
Proxense, LLC's asserted patent portfolio primarily focuses on biometric authentication and wireless communication technology. This includes systems and methods for secure, automatic user authentication to access data or applications, often utilizing radio frequency identification (RFID) and electronic authentication, as well as personal digital keys (PDKs) for controlling access to computing resources. The company previously developed ProxNET, a wireless healthcare system for hands-free sign-on/off and real-time location services.
With 7 cases as plaintiff and 2 as defendant, Proxense, LLC operates as a patent assertion entity. Their litigation strategy primarily involves asserting their patent portfolio against major technology companies. Most of Proxense, LLC's plaintiff cases are filed in the Western District of Texas, a venue known for patentee-friendly litigation. The defendant cases against Proxense, LLC were initiated by Intel Corporation and Unified Patents, the latter being an organization that challenges patents asserted by NPEs.
Notable cases include Proxense, LLC's infringement campaigns against prominent technology companies such as Intel, Apple, LG Electronics, Google LLC, Microsoft, and Samsung. Proxense has previously settled disputes with Samsung, Google, and Intel, while litigation against Apple and Microsoft remains active or stayed. Several of Proxense's patents, including U.S. Patent No. 8,886,954 and 8,352,730, covering biometric authentication and wireless communication, have been challenged at the Patent Trial and Appeal Board (PTAB).
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Proxense asserted U.S. Patent 10,469,456 against Intel's Windows Hello/biometric and secure-element (PTT/CSME) functionality, along with U.S. 9,405,898, 8,433,919, 11,182,792, 11,551,222, and 9,990,628. The case was reported settled on or about March 24, 2026.
Appeal arising from IPR2024-01398 and IPR2024-00573. The narrative does not list asserted patents for this appeal and states US 6973576 is not asserted.
Proxense sued Hyundai and Kia entities, asserting the '960 patent as a lead patent along with U.S. Patents 9,251,332; 9,450,956; and 11,095,640. The case is active/pending.
Proxense sued LG Electronics Inc. and LG Electronics U.S.A., Inc. in the Western District of Texas asserting U.S. Patent 10,698,989 as one of seven asserted patents, with claims 1-6 asserted. The case was stayed, with an order on motion to stay entered Feb. 17, 2026.
Proxense asserted U.S. Patent 10,469,456, along with U.S. 9,251,332 and U.S. 11,086,979, against LG's Ultra-Small Digital Key Module tied to the Car Connectivity Consortium Digital Key standard. The case is pending; Proxense also separately asserted four other previously used patents against LG Pay and LG Wi-Fi 6/6E/7 products.
Proxense, LLC sued Intel Corp. for patent infringement. The case closed with a consent judgment of non-infringement and later settled.
Proxense, LLC filed a multi-patent infringement complaint against Apple in March 2024, which is currently pending.
Proxense sued Apple, Inc. in the Western District of Texas, asserting multiple patents including US 9,049,188. On September 26, 2024, the parties jointly stated Proxense intended to dismiss with prejudice all allegations that Apple infringes US 9,049,188 and substitute US 9,679,289; the case otherwise remained pending with trial set for January 19, 2026 under the amended scheduling order.
Proxense sued Google LLC and Google Payment Corp., asserting the '960 patent as Exhibit 6 and alleging infringement of at least claims 14 and 16. The case settled and was dismissed.
Proxense asserted multiple patents, including the '730 patent, against Google. The case was dismissed with prejudice by stipulation on January 13, 2025, with the docket closed August 4, 2025; IPFray concluded Google took a license.
Proxense sued Microsoft in W.D. Tex. asserting US 9,679,289 among six patents-in-suit. The case remained pending with narrowed/summary-judgment activity through 2025, and a parallel Microsoft IPR (IPR2024-00407) ended in a final written decision against Proxense.
Proxense sued Samsung Electronics Co., Ltd. and Samsung Electronics America, Inc. in the Western District of Texas, asserting several patents including US 9,049,188 against Samsung Pay/Galaxy devices. The case was resolved before trial by consent judgment/stipulated dismissal with prejudice, closing January 19, 2023, with no court ruling on validity or infringement of the '188 patent.
Proxense, LLC filed a patent infringement lawsuit against LG Electronics in July 2024, which is currently active.
Proxense, LLC sued Google LLC for patent infringement. The case was dismissed with prejudice in January 2025 via stipulation, indicating Google has taken a license.
Proxense, LLC filed a patent infringement lawsuit against Microsoft in the first half of 2023, which is currently pending.
Proxense, LLC sued Samsung in June 2021 for patent infringement. The case settled in 2023 on the eve of trial.
Proxense sued Google LLC and Google Payment Corp. in W.D. Tex., asserting US 9,679,289 claims 14 and 16. Google Payment Corp. was dismissed without prejudice on July 10, 2023, and the case remained pending with a parallel IPR2024-00783 instituted Nov. 18, 2024.
Federal Circuit case listed on the Google Patents litigation panel for U.S. 8,886,954, filed by Proxense. The narrative could not confirm the appellee or exact originating proceeding; it is most plausibly the Microsoft-side appeal of the '954 IPRs but is flagged as unverified.
Proxense enforcement action against Target in W.D. Tex., identified as an early campaign case. The narrative states this case does not assert US 6973576 and lists no asserted patents.
Proxense enforcement action against Urban Outfitters. The narrative states jurisdiction is not confirmed and lists no asserted patents; it also states this case does not assert US 6973576.
Proxense enforcement action against Apple. The narrative states a transfer motion was denied on Feb. 7, 2025, and PTAB found claims invalid on June 18, 2025. It does not list the asserted patents and states US 6973576 is not asserted.
Proxense enforcement action against Intel. The narrative states the asserted patents are in the '129, '672, '043, '152 family; decodable patents from the narrative are US 10,593,129; 9,930,043; and 10,742,152, and US 6973576 is not asserted.
Proxense enforcement action against Hyundai involving CCC 'Digital Key' accused products. The narrative states US 6973576 is not asserted and lists no asserted patents for this case.