The catalog

Patent invalidity dossiers.

1,813 patents in the database, sorted by number of on-file litigation cases. Of these, 1,393 have at least one tracked case across 3,025 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

  • US10448903
    0 cases6/8 sections

    Here is a concise summary of US patent 10448903: Title: Methods and systems for retrospective internal gating Assignee: Memorial Sloan Kettering Cancer Center Inventor: Adam L. Kesner Filing Date: November 1, 2018 (Application number…

    View full analysis →added 6/2/2026
  • US10482293
    0 cases6/8 sections

    Here's a concise summary of US patent 10482293: Patent Number: US104822293B2 Title: Interrogator and interrogation system employing the same Current Assignee: Lone Star SCM Systems LP Original Assignee: Medical IP Holdings LP Inventors…

    View full analysis →added 6/15/2026
  • US10516270
    0 cases6/8 sections

    US Patent 10516270, titled "Method and apparatus for coordination of generators in droop controlled microgrids using hysteresis," was issued to Enphase Energy Inc. on December 24, 2019, from an application filed on January 4, 2017. The…

    View full analysis →added 5/24/2026
  • US10541441
    0 cases6/8 sections

    I have analyzed US patent 10541441 and conducted a search of the USPTO database and CAFC 2026 dockets for the specified patent number. The patent details are derived directly from the provided authoritative patent text, which aligns with…

    View full analysis →added 7/29/2026
  • US10574716
    0 cases6/8 sections

    US Patent 10,574,716: Video Distribution System Including Progressive Playback Title: Video distribution system including progressive playback [cite: US10574716B2] Assignee: Divx LLC [cite: US10574716B2] Inventor(s): Roland Osborne [cite…

    View full analysis →added 7/24/2026
  • US10576716
    0 cases6/8 sections

    Here is a concise summary of US patent 10576716: Patent Number: US10576716B2 Title: Protective element and method for manufacturing display device Current Assignee: Magnolia White Corp (as of July 22, 2025) Original Assignee: Japan Display…

    View full analysis →added 7/21/2026
  • US10593330
    0 cases6/8 sections

    Here's a concise summary of US patent 10593330: Title: Hotword detection on multiple devices Assignee: Google LLC Inventors: Matthew Sharifi Filing Date: October 26, 2018 Issue Date: March 17, 2020 Abstract: Methods, systems, and…

    View full analysis →added 6/10/2026
  • US10631883
    0 cases6/8 sections

    A concise summary of US Patent 10631883 is provided below, followed by an overview of its independent claims: US Patent 10631883 Summary Title: Blade reamer assembly for surgical use Assignee: Razor Medical Instruments Inc. Inventors…

    View full analysis →added 5/10/2026
  • US10691579
    0 cases6/8 sections

    US Patent 10691579, titled "Systems including device and network simulation for mobile application development," was granted to Wapp Tech Corp. on June 23, 2020. The sole inventor is Donavan P. Poulin. The application for this patent was…

    View full analysis →added 5/10/2026
  • US10713672
    0 cases6/8 sections

    Here is a concise summary of US patent 10713672: US Patent 10713672: Discovering neighborhood clusters and uses therefor Title: Discovering neighborhood clusters and uses therefor Assignee: Carnegie Mellon University Inventors: Justin…

    View full analysis →added 5/27/2026
  • US10749443
    0 cases6/8 sections

    Here's a concise summary of US Patent 10749443: Title: High power multilayer module having low inductance and fast switching for paralleling power devices Assignee: Wolfspeed Inc. (Current Assignee) Original Assignee: Cree Fayetteville…

    View full analysis →added 7/9/2026
  • US10763865
    0 cases6/8 sections

    US patent 10763865, titled "Field programmable gate array with internal phase-locked loop," was filed on May 29, 2020, by inventor Nima Badizadegan, and issued on September 1, 2020. The current assignee is HFT Solutions LLC, effective…

    View full analysis →added 6/3/2026
  • US10783506
    0 cases6/8 sections

    US Patent 10783506, titled "Methods and systems for access control to secure facilities," was issued to TRANSPARENT WIRELESS SYSTEMS LLC. The inventors are Santanu Dutta and Partha Chakravartti. The patent was filed on August 26, 2016, and…

    View full analysis →added 6/17/2026
  • US10863950
    0 cases6/8 sections

    Here is a concise summary of US patent 10863950: US Patent 10863950 Title: Methods and systems for retrospective internal gating Assignee: Memorial Sloan Kettering Cancer Center Inventor: Adam L. Kesner Filing Date: April 25, 2019 Issue…

    View full analysis →added 6/2/2026
  • US10869428
    0 cases6/8 sections

    Here's a concise summary of US patent 10869428: US Patent Number: 10869428 Title: Baling apparatus and method Assignee: Twin Pak LLC (as of 2025-06-26) Originally assigned to the individual inventor. Inventors: Michael Jason Grady Filing…

    View full analysis →added 8/4/2026
  • US10909059
    0 cases6/8 sections

    US Patent 10909059: Concise Summary Title: Transmission terminal, non-transitory recording medium, transmission method, and transmission system Assignee: Ricoh Co Ltd Inventor: Yoshinaga Kato Filing Date: October 16, 2019 Issue Date…

    View full analysis →added 7/25/2026
  • US10917483
    0 cases6/8 sections

    Here's a concise summary of US Patent 10917483: Title: Automated communication-based intelligence engine Assignee: Numberai Inc. Inventors: Daniel Hodges, Tasos Roumeliotis, Joel Grossman, Andrew Ruff, Steven Ginn, Andrew Smith Filing…

    View full analysis →added 6/19/2026
  • US10926218
    0 cases6/8 sections

    US Patent 10,926,218: Sorbents for the Oxidation and Removal of Mercury Title: Sorbents for the oxidation and removal of mercury Current Assignee: Birchtech Corp. (as of November 7, 2024) Original Assignee: Midwest Energy Emissions Corp…

    View full analysis →added 7/1/2026
  • US10936685
    0 cases6/8 sections

    US Patent 10936685, titled "Poll-based networking system," was issued to Trinity Info Media LLC. The inventors are Timothy Beggy and David Shaun Neal. The application was filed on July 2, 2018, and the patent was published (issued) on…

    View full analysis →added 5/10/2026
  • US10944400
    0 cases6/8 sections

    US patent 10944400, titled "On-die termination control," was issued on March 9, 2021, from an application filed on April 20, 2020 (Application No. US16/853,658). The original assignee was Rambus Inc, and the current assignee, as of October…

    View full analysis →added 5/25/2026