Perkins Coie

Counsel of record in 39 federal IP lawsuits tracked by IP Feed.

5 for plaintiffs24 for defendants
  1. Openfor defendantTXED2026-10-16
    Touchstream Technologies, Inc. v. Hisense Co. Ltd.

    Touchstream Technologies is suing Hisense and its various subsidiaries for patent infringement. The lawsuit centers on Touchstream's patented technology, likely related to streaming or interactive TV features used in Hisense's smart televisions and media platforms. The case, filed in federal court in Texas, seeks damages for alleged unauthorized use of the patented innovation.

  2. Openfor defendantC.D. Cal.2026-10-13
    Perceptix Technologies LLC v. Meta Platforms, Inc.

    Perceptix Technologies sues Meta for patent infringement over technology used in Meta's products.

  3. OpenTXED2026-10-13
    Headwater Research LLC v. Walmart Inc.

    Headwater Research sues Walmart, Amazon, Uber, and Target for infringing its patents.

  4. OpenTXED2026-10-13
    Induction Devices LLC v. Dick's Sporting Goods, Inc.

    Induction Devices sues Dick's Sporting Goods and major retailers for infringing its patent technology.

  5. Openfor defendantN.D. Cal.2026-10-02
    B.S.D Crown, Ltd. v. Amazon.com, Inc.

    B.S.D Crown sues Amazon for patent infringement under federal patent law.

  6. Openfor defendantN.D. Cal.2026-09-28
    Valjakka v. Netflix, Inc.

    Valjakka sues Netflix for patent infringement related to unspecified technology or method.

  7. Openfor defendantN.D. Cal.2026-09-25
    Reed Semiconductor Corp. v. Monolithic Power Systems, Inc.

    Reed Semiconductor is suing Monolithic Power Systems for patent infringement. The lawsuit centers on semiconductor technology patents, with Reed alleging that Monolithic Power's products infringe its intellectual property rights in the semiconductor design and manufacturing space.

  8. OpenC.D. Cal.2026-08-28
    Entropic Communications, LLC v. DIRECTV, LLC

    Entropic Communications sues DIRECTV, Dish Network, and AT&T for infringing its patents in set-top boxes and video delivery technology.

  9. Closedfor defendantN.D. Cal.2026-08-27
    MPH Technologies Oy v. Apple, Inc.

    MPH Technologies sues Apple for patent infringement in federal court.

  10. Closedfor defendantN.D. Cal.2026-08-26
    Gamevice, Inc. v. Nintendo Co., Ltd.

    Gamevice sued Nintendo over patent infringement, claiming Nintendo's gaming controllers violate Gamevice's patented mobile controller technology. The lawsuit targets both Nintendo Co., Ltd. and Nintendo of America, Inc., with Apple also involved in the case. The dispute centers on portable gaming device patents and their implementation in Nintendo's products.

  11. OpenTXED2026-08-24
    Aspen Networks, Inc. v. AT&T Inc.

    Aspen Networks sues AT&T, T-Mobile, and Verizon for infringing its patents in wireless networking technology.

  12. Openfor plaintiffN.D. Cal.2026-08-04
    Comeback Media, Inc. v. Particle Media, Inc.

    Comeback Media sues Particle Media for copyright infringement.

  13. Openfor defendantC.D. Cal.2026-06-08
    Media Content Protection LLC v. Hisense Co. Ltd

    Koninklijke Philips and Philips North America are suing Hisense and its subsidiaries for patent infringement in federal court. The case involves a patent dispute, though the specific patent number and technology at issue are not identified in the available case information. The lawsuit targets Hisense's U.S. operations and manufacturing entities.

  14. Openfor defendantN.D. Cal.2026-05-28
    BSD Crown, Ltd. v. Amazon.Com Inc.

    BSD Crown sues Amazon for patent infringement over unspecified patented technology or business method.

  15. Openfor defendantN.D. Cal.2026-04-17
    Veeva Systems Inc. v. Microsoft Corporation

    Veeva Systems sues Microsoft for trademark infringement in federal court.

  16. Closedfor defendantTXED2025-12-15
    Media Key LLC v. BenQ Corporation

    Media Key LLC sues BenQ and ASUSTEK for allegedly infringing patents related to media technology.

  17. Openfor defendantN.D. Cal.2025-11-14
    Rogozinski v. Reddit, Inc.

    Rogozinski sues Reddit for trademark infringement over the subreddit r/wallstreetbets branding and community identity.

  18. Closedfor defendantN.D. Cal.2025-04-08
    Never-Search, Inc. v. Microsoft Corp.

    Never-Search sues Microsoft for patent infringement over search technology.

  19. Closedfor defendantN.D. Cal.2024-08-29
    Eolas Technologies Incorporated v. Amazon.com, Inc.

    Eolas Technologies sues Amazon for infringing its web browser patent technology.

  20. Closedfor defendantTXED2024-07-16
    Parus Holdings, Inc. v. Charles Schwab Corporation

    Parus Holdings is suing Charles Schwab, Capital One, Bank of America, and Fidelity over alleged patent infringement. The lawsuit concerns a patent related to financial services technology. The defendants are major financial institutions accused of using Parus's patented technology without authorization.

  21. Closedfor defendantTXED2024-04-26
    Display Technologies, LLC v. Activision Publishing, Inc.

    Display Technologies sues Activision Publishing for allegedly infringing its patents in video game technology.

  22. Closedfor defendantN.D. Cal.2024-04-19
    Big Run Studios Inc. v. AviaGames Inc.

    Big Run Studios sues AviaGames for copyright infringement over game content.

  23. Closedfor defendantN.D. Cal.2024-04-18
    Skillz Platform Inc. v. AviaGames Inc.

    Skillz Platform Inc. is suing AviaGames Inc., along with individuals Peng Zhang and Vickie Chen, for patent infringement. The lawsuit centers on technology related to the Skillz gaming platform, which enables competitive mobile gaming tournaments. Skillz alleges that AviaGames unlawfully used patented aspects of its platform technology.

  24. Closedfor defendantN.D. Cal.2024-03-04
    Firstface Co., Ltd. v. Apple, Inc.

    Firstface Co., Ltd. is suing Apple over patent infringement in federal court in Northern California. The case involves a patent related to facial recognition or face-detection technology. Motorola Mobility is also named as a non-party, suggesting the patent may apply across multiple device makers in the mobile space.

  25. Closedfor plaintiffTXED2024-02-26
    Alacritech Inc. v. CenturyLink, Inc.

    Alacritech, CenturyLink, Wistron, Dell, and Intel sued Cyxtera, Cavium, Savvis, Tier 3, Wiwynn, SMS Infocomm, and CenturyLink Communications over patent infringement. The case involves patents related to network processing technology, though the specific patent numbers and technical claims are not identified in available court records.

  26. Openfor plaintiffN.D. Cal.2023-06-07
    Twitter, Inc. v. Voip-Pal.com, Inc.

    Twitter is seeking a declaratory judgment against Meta Platforms, WhatsApp, and Voip-Pal.com in a patent dispute. The case centers on patent claims, though the specific patent and technology at issue are not identified in the court record. Twitter is asking the court to declare it does not infringe the asserted patent rights.

  27. ClosedTXED2022-10-27
    Entropic Communications, LLC v. DIRECTV, LLC

    Entropic Communications sues DIRECTV, AT&T, and Dish Network for patent infringement over technology.

  28. Closedfor defendantTXED2022-05-16
    Uniloc 2017 LLC v. Google LLC

    Uniloc 2017 LLC and Uniloc USA, Inc. are suing Google LLC for patent infringement in federal court. The case involves a patent dispute, though the specific patent number and technology at issue are not identified in the case record. The litigation includes intervention by the Public Interest Patent Law Institute and the Electronic Frontier Foundation.

  29. Closedfor defendantN.D. Cal.2021-02-12
    Artifex Software, Inc. v. John Wiley & Sons, Inc.

    Artifex Software sues John Wiley & Sons for copyright infringement over disputed content usage.

  30. Closedfor defendantS.D. Cal.2020-10-26
    Bell Northern Research, LLC v. Coolpad Technologies, Inc.

    Bell Northern Research sues Coolpad, Kyocera, Broadcom, and Yulong for infringing its patents.

  31. ClosedTXED2020-06-30
    Ericsson Inc. v. D-Link Corporation

    Ericsson and Belkin sued D-Link, Toshiba, Dell, Gateway, Acer, Netgear, and Intel for infringing wireless networking patents. The case involves patent claims under 35 U.S.C. § 271 across multiple consumer electronics manufacturers, with the specific patent technology and accused products not identified in the case record.

  32. Closedfor defendantTXED2019-01-25
    SyncPoint Imaging, LLC v. Nintendo of America Inc.

    SyncPoint Imaging sues Nintendo and partners for infringing its patent technology in gaming systems.

  33. Closedfor plaintiffN.D. Cal.2018-11-30
    Grecia v. Dish Network L.L.C.

    William Grecia is suing Dish Network and Adobe Systems for patent infringement. The case centers on a patent technology related to digital media delivery or processing. Grecia alleges that Dish Network's service infringes his patent, with Adobe also named as a party to the dispute.

  34. ClosedN.D. Cal.2018-06-29
    Apple Inc. v. Samsung Electronics Co. Ltd.

    Apple sues Samsung for patent and trademark infringement over smartphone design and technology.

  35. ClosedN.D. Cal.2017-06-28
    Synopsys, Inc. v. Atoptech, Inc

    Synopsys, a major software and semiconductor design company, sued Atoptech for copyright infringement. The specific work or technology at issue is not identified in the available case information. Broadcom Corporation is also involved in the litigation.

  36. ClosedN.D. Cal.2016-12-15
    Richtek Technology Corporation v. uPI Semiconductor Corporation

    Richtek Technology sues uPI Semiconductor for patent infringement involving power management or semiconductor technology.

  37. Closedfor plaintiffTXND2016-01-20
    PaR Systems Inc v. iPhoton Solutions, LLC

    Lockheed Martin and PaR Systems sued iPhoton Solutions, hNu Systems, and individuals Mark DuBois and Thomas E. Drake for patent infringement. The case involves a patent dispute in federal court in Texas, with appellants Paul V. Storm and Storm, LLP also named in the record. The specific patent technology at issue is not identifiable from the case caption alone.

  38. Closedfor defendantN.D. Cal.2015-04-16
    Linex Technologies, Inc. v. Hewlett-Packard Company

    Linex Technologies and Marvell Semiconductor sued Qualcomm Atheros, Ruckus Wireless, Meru Networks, Aruba Networks, and Apple over patent infringement in the Northern District of California. The case involves a patent dispute, though the specific patent number and technology at issue are not identified in the available case data.

  39. ClosedN.D. Cal.2014-12-05
    Fatdoor, Inc. v. Nextdoor.com, Inc.

    Fatdoor, Inc. and founder Raj Abhyanker are suing Nextdoor, Inc. for patent infringement in federal court. The case involves a patent technology, with Google LLC and IP Analytics, LLC named as third-party defendants. The dispute centers on alleged unauthorized use of patented technology in Nextdoor's operations.

Counsel sourced from public CourtListener docket records; firm names are normalized across spellings and office locations. Appearing for a party is not an endorsement of any position.