The catalog

Patent invalidity dossiers.

1,609 patents in the database, sorted by number of on-file litigation cases. Of these, 1,312 have at least one tracked case across 2,845 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

  • I was unable to locate a US patent with the exact number 12125496 in the available databases. A search for "US12125496B1" on Google Patents returned a message indicating that the patent number could not be found. Therefore, I cannot…

    View full analysis →added 5/12/2026
  • Here's a concise summary of US patent 12131745: Title: System and method for automatic alignment of phonetic content for real-time accent conversion Assignee: Sanas Ai Inc. Inventors: Lukas PFEIFENBERGER, Shawn Zhang Filing Date…

    View full analysis →added 5/12/2026
  • US patent 12138052, titled "Blood sample optimization device," was issued to Kurin Inc. with inventors Bobby E. Rogers, Gino Kang, and John Detloff. It was filed on July 24, 2024, and granted on November 12, 2024. Abstract: The patent…

    View full analysis →added 5/12/2026
  • US Patent 12142371, titled "Low-latency conversational artificial intelligence (AI) architecture with a parallelized in-depth analysis feedback loop," was issued to Healthgpt Inc. dba Hippocratic AI. Summary of US Patent 12142371 Title…

    View full analysis →added 5/14/2026
  • US patent 12152262 is titled "PH20 polypeptide variants, formulations and uses thereof". Assignee: The original assignee was Halozyme Inc, and the current assignee is Halozyme Therapeutics Inc. Inventors: Ge Wei, H. Michael Shepard, Qiping…

    View full analysis →added 6/15/2026
  • Here's a concise summary of US patent 12154652: US Patent 12154652: Dynamic random access memory applied to an embedded display port Title: Dynamic random access memory applied to an embedded display port Current Assignee: Wecrevention Inc…

    View full analysis →added 5/12/2026
  • U.S. Patent 12158250, titled "Organic-light emitting diode," was issued to Pictiva Displays International Ltd on December 3, 2024. The patent lists Ulrich Kastner-Jung, Markus Klein, Stan Maes, Romana Sigl, Annette Haid, Stephan Lintner…

    View full analysis →added 5/12/2026
  • Here's a concise summary of US patent 12159310: Title: System and method for mobile check deposit enabling auto-capture functionality via video frame processing Assignee: United Services Automobile Association USAA Inventors: Michael…

    View full analysis →added 5/12/2026
  • Here's a concise summary of US patent 12163947, effective as of April 26, 2026: US Patent: 12163947 Title: Method and system for characterizing undebarked wooden logs and computing optimal debarking parameters in real time Assignee: Bid…

    View full analysis →added 5/14/2026
  • The search for "CAFC 2026 dockets US12190198" did not yield any direct results indicating a case specifically involving patent US12190198 in the CAFC dockets for 2026. The search results returned general CAFC scheduled cases for May 2026…

    View full analysis →added 5/14/2026
  • US patent 12207094, titled "Embedded universal integrated circuit card supporting two-factor authentication," was filed on January 18, 2024, and issued on January 21, 2025. The original assignee was Network 1 Technologies Inc, with the…

    View full analysis →added 5/12/2026
  • US Patent 12211095B1: Concise Summary Title: System and method for mobile check deposit enabling auto-capture functionality via video frame processing Assignee: United Services Automobile Association USAA Inventors: Michael Patrick Bueche…

    View full analysis →added 5/12/2026
  • Here is a concise summary of US Patent 12220935: Title: Decorative foil, method for producing a decorative foil and method for decorating a target substrate Assignee: Leonhard Kurz Stiftung and Co KG Inventors: Roman Lasch Filing Date…

    View full analysis →added 5/12/2026
  • US Patent 12221196, titled "Controllable sinking and floating swimming pool robot and sinking and floating control method for swimming pool robot," was filed on September 2, 2024, by Aiper Global Pte Ltd. The inventors are Xiaofeng Liu and…

    View full analysis →added 5/12/2026
  • Here's a concise summary of US Patent 12221638: Title: Method for producing recombinant hyaluronidase Assignee: Alteogen Inc. Inventors: Soon Jae Park, Kyuwan KIM, Sang Hoon YUN, Jeong Soo CHO, Kibum PARK, Minsoo Byun, Hyung-Nam Song…

    View full analysis →added 5/12/2026
  • I could not find US patent 12231426 in the USPTO database with the provided search results. The USPTO search guidelines indicate that utility patent numbers consist of six, seven, or eight digits, and require entering leading zeros for…

    View full analysis →added 5/12/2026
  • Here's a concise summary of US patent 12233871: Title: Vehicle gear selection control Assignee: Bulletproof Property Management LLC Inventor: Bennet Langlotz Filing Date: 2024-10-27 Issue Date: 2025-02-25 Abstract: A motor vehicle is…

    View full analysis →added 5/12/2026
  • US Patent 12234510B2: Concise Summary Title: Varietal counting of nucleic acids for obtaining genomic copy number information Assignee: Cold Spring Harbor Laboratory Inventors: James Hicks, Nicholas Navin, Jennifer Troge, Zihua Wang…

    View full analysis →added 5/14/2026
  • Here is a concise summary of US Patent 12236728: US Patent Number: 12236728 Title: Method and system for logging vehicle behaviour Assignee: Auto Telematics Ltd Inventor: Andrew William Wright Filing Date: May 28, 2024 Issue Date: February…

    View full analysis →added 6/15/2026
  • US Patent 12238815 Summary Here is a summary of US Patent 12238815, "Method and system for using a situational network": Title: Method and system for using a situational network Assignee: Sitnet LLC Inventors: Thomas Cona, Patrick T. Igoe…

    View full analysis →added 5/12/2026