The catalog

Patent invalidity dossiers.

1,716 patents in the database, sorted by number of on-file litigation cases. Of these, 1,354 have at least one tracked case across 2,950 litigations.

Demand letter analyzer

You got a patent demand letter. Now what?

Paste the letter — we extract the asserted patents, identify the asserter, characterize their litigation history, flag validity vulnerabilities, and draft a sample response letter your attorney can review. Free, private, ~2-3 minutes.

Analyze a letter →

Analyze a patent

Drop a US patent number — we’ll verify it on Google Patents and generate the full invalidity dossier.

By industry

  • US10134398
    0 cases8/8 sections

    US Patent 10,134,398, titled "Hotword detection on multiple devices," is assigned to Google LLC. The patent lists Matthew Sharifi as the inventor. The filing date for this patent was November 9, 2016, and it was issued on November 20…

    View full analysis →added 6/10/2026
  • US10347248
    0 cases8/8 sections

    Here is a concise summary of U.S. Patent 10,347,248. Summary of U.S. Patent 10,347,248 Title: System and method for providing in-vehicle services via a natural language voice user interface Assignee: The patent has been assigned multiple…

    View full analysis →added 5/5/2026
  • US10404366
    0 cases8/8 sections

    Summary of U.S. Patent 10,404,366 A concise summary of U.S. Patent 10,404,366 is provided below, including details on the title, assignee, inventor, key dates, abstract, and a plain-language overview of the independent claims. No records…

    View full analysis →added 5/5/2026
  • US10528129
    0 cases8/8 sections

    US Patent 10,528,129, titled "Immersive displays," was issued to Utherverse Digital Inc. on January 7, 2020, from an application filed on January 11, 2018. The inventors are Brian Shuster and Gary Stephen Shuster. Abstract: The patent…

    View full analysis →added 6/19/2026
  • US10539851
    0 cases8/8 sections

    US Patent 10,539,851, titled "Method for changing states of electrochromic film," was issued to Lannray Optoelectronics Zhenjiang Co Ltd, with inventors Jian Wang and Yan Zhou. The patent was filed on March 6, 2018, and issued on January…

    View full analysis →added 5/19/2026
  • US10541883
    0 cases8/8 sections

    Here's a concise summary of US Patent 10541883: Title: Playback device connection Assignee: The original assignee is Sonos Inc. As of October 15, 2021, a security agreement assigned the patent to JPMorgan Chase Bank, N.A. Inventors…

    View full analysis →added 5/14/2026
  • US10623095
    0 cases8/8 sections

    A concise summary of US Patent 10,623,095 is as follows: Title: Signal detection device and signal detection method Assignee: As of the latest assignment recorded on October 1, 2025, the assignee for US Patent 10,623,095 is RADIANT PATENTS…

    View full analysis →added 5/6/2026
  • US10628820
    0 cases8/8 sections

    US Patent 10,628,820, titled "Multi-function electronic payment device," was issued on April 21, 2020, from an application filed on July 2, 2018. The inventor is David Wyatt. The original assignee was Virtual Electric Inc, with subsequent…

    View full analysis →added 5/14/2026
  • US10632388
    0 cases8/8 sections

    US patent 10632388, titled "Multilayer framework architecture and user interface for video gaming applications," was issued to Cp Studios LLC. Here's a concise summary of the patent: Title: Multilayer framework architecture and user…

    View full analysis →added 6/30/2026
  • US10687281
    0 cases8/8 sections

    Here is a summary and analysis of U.S. Patent No. 10,687,281. Patent Information Title: Wireless communication method and wireless communication terminal, which use discontinuous channel Assignee: Wilus Institute of Standards and…

    View full analysis →added 5/14/2026
  • US10769446
    0 cases8/8 sections

    Patent Analysis: U.S. Patent No. 10,769,446 Date of Analysis: May 12, 2026 Patent Number: 10,769,446 Title: Methods and systems of combining video content with one or more augmentations --- I. Patent Details Inventors: Yu-Han Chang, Rajiv…

    View full analysis →added 5/12/2026
  • US10771069
    0 cases8/8 sections

    US Patent 10771069, titled "Field programmable gate array with internal phase-locked loop," was filed on October 31, 2019, and issued on September 8, 2020. The inventor is Nima Badizadegan, and the current assignee is HFT Solutions LLC…

    View full analysis →added 6/5/2026
  • US10778989
    0 cases8/8 sections

    An analysis of U.S. Patent 10,778,898 reveals the following details. There is no public record of this patent being involved in any legal disputes before the Court of Appeals for the Federal Circuit (CAFC) in 2026. Summary of U.S. Patent…

    View full analysis →added 5/8/2026
  • US10814058
    0 cases8/8 sections

    Here's a concise summary of US patent 10814058: US Patent 10814058: Nasal aspiration and wash device Title: Nasal aspiration and wash device Assignee: Avita Corp [cite: US10814058B2] Inventors: Hsing Ou Yang, Hsuan Hao Shih, Ta Chieh Yang…

    View full analysis →added 6/22/2026
  • US10852002
    0 cases8/8 sections

    US Patent 10852002, titled "Multi-zone food holding bin," was issued to Marmon Foodservice Technologies Inc. on December 1, 2020, from an application filed on May 3, 2019. The inventors are Kyle Thomas Kestner, Christopher B. Lyons, Jr…

    View full analysis →added 7/3/2026
  • US10904487
    0 cases8/8 sections

    US Patent 10904487: Integration of Videoconferencing with Interactive Electronic Whiteboard Appliances Title: Integration of videoconferencing with interactive electronic whiteboard appliances Assignee: Ricoh Co Ltd Inventors: Steven…

    View full analysis →added 7/2/2026
  • US10912321
    0 cases8/8 sections

    Analysis of U.S. Patent 10,912,321: A Method for Increasing Poultry Weight During Processing Washington, D.C. - A comprehensive analysis of U.S. Patent No. 10,912,321, titled "Methods of using peracetic acid to treat poultry in a chill…

    View full analysis →added 5/4/2026
  • US10947555
    0 cases8/8 sections

    US Patent 10947555, titled "Herbicide resistance genes," was issued on March 16, 2021, from an application filed on October 7, 2016. The inventors are Terry Wright, Justin Lira, Donald Merlo, and Nicole Arnold. The patent was originally…

    View full analysis →added 6/24/2026
  • US10959123
    0 cases8/8 sections

    Here's a concise summary of US Patent 10959123: Title: Low latency wireless messaging Current Assignee: SPECTRANET TECHNOLOGIES LLC Inventor: Jeffrey C. Adams Filing Date: 2017-02-18 Issue Date: 2021-03-23 Abstract: The patent discloses…

    View full analysis →added 5/22/2026
  • US10979693
    0 cases8/8 sections

    Analysis of U.S. Patent 10,979,693: A Stereoscopic 3D Camera for Virtual Reality Washington D.C. - A detailed analysis of U.S. Patent No. 10,979,693, titled "Stereoscopic 3D camera for virtual reality experience," reveals a method for…

    View full analysis →added 4/30/2026