The catalog

Patent invalidity dossiers.

1,809 patents in the database, sorted by number of on-file litigation cases. Of these, 1,391 have at least one tracked case across 3,023 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

  • US Patent 9119030, titled "Method and system for monitoring a mobile station presence in a special area," was issued to Avant Location Technologies LLC, with Carlos A. Perez Lafuente listed as the inventor. The application was filed on…

    View full analysis →added 5/14/2026
  • US Patent 9223487, titled "Electronic apparatus, method of controlling the same, and related computer program," was invented by Yoshie Maeda. The original assignee was JVCKenwood Corp, with Soundclear Technologies LLC currently listed as…

    View full analysis →added 5/14/2026
  • US Patent 9363997 Summary: Title: Methods and compositions for the generation of peracetic acid on site at the point-of-use Assignee: Enviro Tech Chemical Services Inc Inventors: Michael S. Harvey, Jonathan N. Howarth Filing Date: April 8…

    View full analysis →added 5/14/2026
  • Here's a concise summary of US Patent 9542571: US Patent 9542571 Title: System and method of owner application control of electronic devices Assignee: Malikie Innovations Ltd (Current, as of June 2023). Original Assignee: BlackBerry Ltd…

    View full analysis →added 5/13/2026
  • US patent 9651533, titled "Short-wave infrared super-continuum lasers for detecting counterfeit or illicit drugs and pharmaceutical process control," was issued to Omni Medsci Inc. Here is a concise summary of the patent: Title: Short-wave…

    View full analysis →added 5/13/2026
  • US Patent 9706500 Summary Title: Power control in a wireless network Current Assignee: Intellectual Ventures Holding 81 LLC. [cite: https://assignmentcenter.uspto.gov/patent/index.html Reel 049514/0071] Inventors: Nicholas W. Anderson…

    View full analysis →added 5/10/2026
  • Here's a concise summary of US Patent 9762692: US Patent 9762692: Handling long-tail content in a content delivery network (CDN) Title: Handling long-tail content in a content delivery network (CDN) Current Assignee: Sandpiper Cdn LLC (as…

    View full analysis →added 5/12/2026
  • US patent 9972381, titled "Memory with output control," was invented by Hakjune Oh, Hong Beom Pyeon, and Jin-Ki Kim. The application was filed on January 11, 2018, and the patent was issued on May 15, 2018. The current assignee is Mosaid…

    View full analysis →added 5/14/2026
  • US Patent 10032171, titled "Systems and methods for secure application-based participation in an interrogation by mobile device," was filed on August 30, 2012, and issued on July 24, 2018. [cite: The full patent text provided as…

    View full analysis →added 7/14/2026
  • A concise summary of US patent 10036012 is provided below: US Patent 10036012 Summary Title: Compositions and methods for targeted nucleic acid sequence enrichment and high efficiency library generation Assignee: Tecan Genomics Inc…

    View full analysis →added 6/15/2026
  • Here's a concise summary of US Patent 10042116: US Patent 10042116 Summary Title: Techniques for direct optical coupling of photodetectors to optical demultiplexer outputs and an optical transceiver using the same Assignee: Applied…

    View full analysis →added 5/13/2026
  • US Patent 10051556, titled "Method for scanning for access point in wireless LAN system," was issued on August 14, 2018, from an application filed on June 9, 2017. The original assignee was KT Corp, but the current assignee is Golden Eye…

    View full analysis →added 5/12/2026
  • US Patent 10061812, titled "Platform for optimizing data driven outcomes," was filed on March 14, 2014, and issued on August 28, 2018. The inventors are Lisa A. Marshall and II James Gaynor. The original assignee was Parallax Behavioral…

    View full analysis →added 6/6/2026
  • US Patent 10,064,055, titled "Security, fraud detection, and fraud mitigation in device-assisted services systems," was issued to Headwater Research LLC. The inventors are Gregory G. Raleigh, Jeffrey Green, and James Lavine. The patent was…

    View full analysis →added 5/13/2026
  • US Patent 10110725, titled "Method and system for communication," was issued to Messageloud Inc. [cite: Original Assignee: Messageloud LLC, Current Assignee: Messageloud Inc]. The sole inventor listed is Garin Toren. The application was…

    View full analysis →added 5/14/2026
  • Here's a concise summary of US Patent 10,115,067: Title: System and method for remote acquisition and delivery of goods Assignee: CONSUMERON LLC Inventors: Mark B Barron, Michael Hays Filing Date: August 26, 2010 Issue Date: October 30…

    View full analysis →added 6/26/2026
  • Here's a concise summary of US Patent 10123074: US Patent 10123074 Summary Title: Method, system, and apparatus for multimedia content delivery to cable TV and satellite operators Assignee: Individual Inventors: Edwin A…

    View full analysis →added 6/15/2026
  • US Patent 10137223, titled "Aligned fiber and method of use thereof," was issued to Lifenet Health. The patent lists Michael Francis and Roy Ogle as the inventors. It was filed on March 13, 2014, and granted on November 27, 2018. [cite…

    View full analysis →added 8/5/2026
  • Here's a concise summary of US patent 10140028: US Patent 10140028 Title: Clock mode determination in a memory system Current Assignee: Mosaid Technologies Inc Inventors: Peter B. Gillingham, Graham Allan Filing Date: April 19, 2018 (based…

    View full analysis →added 5/14/2026
  • US Patent 10,165,324 (US10165324B2) is titled "Systems and methods for episode tracking in an interactive media environment." Bibliographic Information: Title: Systems and methods for episode tracking in an interactive media environment…

    View full analysis →added 5/12/2026