Patent 11176538

Litigation summary

Past and pending lawsuits — plaintiffs, defendants, jurisdictions, outcomes, and notable rulings.

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PTAB activity (3)

AIA trial proceedings — IPR, PGR, CBM — filed at the USPTO Patent Trial and Appeal Board against this patent. Sourced directly from the PTAB Trial API.

  • IPR2025-01514IPRfiled Sep 4, 2025vs. Google LLCDiscretionary Denial
  • IPR2025-01150IPRfiled Jun 24, 2025vs. Apple Inc.Discretionary Denial
  • IPR2025-01149IPRfiled Jun 24, 2025vs. Apple Inc.Discretionary Denial

Cached for 24 hours. Status strings are sourced verbatim from the PTAB API; the colored badge is our heuristic classification.

Cases on file (6)

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Specific litigation cases in our database that name US patent 11176538. The free-form analysis below may also discuss cases beyond this list.

Litigation summary

Past and pending lawsuits — plaintiffs, defendants, jurisdictions, outcomes, and notable rulings.

✓ Generated

US patent 11176538 has been involved in several litigation cases, including both district court patent infringement lawsuits and Patent Trial and Appeal Board (PTAB) inter partes review (IPR) proceedings. The current assignee of the patent is CardWare Inc..

Here is a summary of the known litigation:

District Court Litigation:

  • CardWare Inc. v. Google LLC

    • Plaintiff(s): CardWare Inc.
    • Defendant(s): Google LLC
    • Jurisdiction: Western District of Texas
    • Case Number: 7:24-cv-00278
    • Filing Date: November 4, 2024
    • Status: Active, with a jury trial scheduled for May 28, 2026, and a Case Management Conference on August 14, 2026. Google has filed supplemental invalidity contentions, and a motion to transfer venue to the Northern District of California was denied. The lawsuit alleges infringement of claims 1-30 of US Patent No. 11,176,538, among other patents, related to NFC payment technology.

  • CardWare Inc. v. [Apple Inc.](/litigations/by-plaintiff/Apple%20Inc.)

    • Plaintiff(s): CardWare Inc.
    • Defendant(s): Apple Inc.
    • Jurisdiction: Western District of Texas (originally Waco Division, transferred to Austin Division, with Chief Judge Alan D. Albright retaining jurisdiction)
    • Case Number: 7:24-cv-00279
    • Filing Date: November 4, 2024
    • Status: The case closed on March 25, 2025, due to a joint stipulation to transfer venue. This was a procedural transfer, not a merits-based termination. The lawsuit asserts US patent 11176538, among other patents, covering Near-Field Communication (NFC) payment technology against Apple's products and platforms.

  • Cardware Inc. v. [[[Samsung Electronics Co.](/litigations/by-defendant/Samsung%20Electronics%20Co.), Ltd.](/litigations/by-plaintiff/Samsung%20Electronics%20Co.%2C%20Ltd.) et al.](/litigations/by-plaintiff/Samsung%20Electronics%20Co.%2C%20Ltd.%20et%20al.)

    • Plaintiff(s): CardWare Inc.
    • Defendant(s): Samsung Electronics Co., Ltd. et al.
    • Jurisdiction: Eastern District of Texas
    • Case Number: 2:22-cv-00141
    • Filing Date: November 21, 2022. (Note: The search results also showed other cases with case number 2:22-cv-00141 in different jurisdictions and with different parties, which are not relevant to US11176538.)
    • Status: CardWare Inc. filed disclosure of asserted claims and infringement contentions.

Patent Trial and Appeal Board (PTAB) Proceedings:

  • Unified Patents v. CardWare Inc.

    • Petitioner(s): Unified Patents
    • Patent Owner(s): CardWare Inc. and Virtual Electric Inc.
    • Jurisdiction: Patent Trial and Appeal Board (PTAB)
    • Case Number: IPR2023-00196
    • Filing Date: Not explicitly stated, but the IPR was filed.
    • Status: Reached a settlement.

  • IPR2023-00219

    • Petitioner(s): Not specified in the provided text.
    • Patent Owner(s): CardWare Inc. (implied)
    • Jurisdiction: Patent Trial and Appeal Board (PTAB)
    • Case Number: IPR2023-00219
    • Filing Date: Not specified.
    • Status: Not Instituted - Merits.

  • Apple Inc. v. CardWare Inc.

    • Petitioner(s): Apple Inc.
    • Patent Owner(s): CardWare Inc.
    • Jurisdiction: Patent Trial and Appeal Board (PTAB)
    • Case Number: IPR2025-01150
    • Filing Date: June 24, 2025
    • Status: Not Instituted - Procedural.

  • IPR2025-01514

    • Petitioner(s): Not specified in the provided text.
    • Patent Owner(s): CardWare Inc. (implied)
    • Jurisdiction: Patent Trial and Appeal Board (PTAB)
    • Case Number: IPR2025-01514
    • Filing Date: Not specified.
    • Status: Institution of inter partes review was denied after review of discretionary considerations.

  • Apple Inc. v. CardWare Inc.

    • Petitioner(s): Apple Inc.
    • Patent Owner(s): CardWare Inc.
    • Jurisdiction: Patent Trial and Appeal Board (PTAB)
    • Case Number: IPR2025-01149
    • Filing Date: Not specified.
    • Status: Not Instituted - Procedural. A notice of decision on institution was mailed on November 6, 2025, with an amendment on November 20, 2025.

Generated 5/23/2026, 12:48:52 PM