The catalog
Patent invalidity dossiers.
2,283 patents in the database, sorted by number of on-file litigation cases. Of these, 1,645 have at least one tracked case across 3,426 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 patent
Drop a US patent number — we’ll verify it on Google Patents and generate the full invalidity dossier.
By industry
- US117154571 case →6/8 sections
U.S. Patent 11715457, titled "Real time correction of accent in speech audio signals," was issued to Sanas Ai Inc. (current assignee) on August 1, 2023. The inventors are Andrei Golman and Dmitrii Sadykov. The patent was filed on December…
View full analysis →added 5/12/2026 - US117218441 case →6/8 sections
US Patent 11721844: Summary and Independent Claim Analysis Title: Vehicular battery charger, charging system, and method for transmitting battery charge threshold information Assignee: CHARGELOGIC LLC Inventors: Christopher B. Austin…
View full analysis →added 6/19/2026 - US117777761 case →6/8 sections
US Patent 11777776, titled "Header repetition in packet-based OFDM systems," was issued to AX Wireless LLC. The patent lists Joon Bae KIM and Marcos C. Tzannes as inventors. The application was filed on September 7, 2022, and the patent…
View full analysis →added 5/22/2026 - US117866801 case →6/8 sections
US Patent 11,786,680: Integrated Sleep Apnea Diagnostic and Therapeutic System Title: Integrated diagnostic and therapeutic system and method for improving treatment of subject with complex and central sleep apnea Assignee: Cleveland…
View full analysis →added 6/15/2026 - US117991311 case →6/8 sections
US Patent 11799131, titled "Electrolyte and electrochemical device," was issued to Ningde Amperex Technology Ltd. on October 24, 2023, from an application filed on August 11, 2022. The inventors are Kefei Wang, Qiao ZENG, Liangzhen XIAO…
View full analysis →added 6/27/2026 - US118052671 case →6/8 sections
Here's a concise summary of US Patent 11805267, "Motion prediction in video coding," along with a plain-language overview of its independent claims: US Patent 11805267: Motion prediction in video coding Title: Motion prediction in video…
View full analysis →added 5/13/2026 - US118061201 case →6/8 sections
Here is a concise summary of U.S. Patent 11,806,120. Title: Health risk indicator determination Assignee: Beijing Shunyuan Kaihua Technology Co Ltd Inventors: Ulrik Wisløff, Christian Ragnar Gutvik Filing Date: February 4, 2021 Issue Date…
View full analysis →added 4/27/2026 - US118094311 case →6/8 sections
Here is a concise summary of US Patent 11809431: Title: System and method for achieving goals Assignee: Data Health Partners Inc., Melamed Shahla Inventors: Nathaniel T. Bradley, James Gaynor, Joshua S. Paugh, Paul Arena, Lisa A. Marshall…
View full analysis →added 6/6/2026 - US118133811 case →6/8 sections
I will now provide a concise summary of US patent 11813381, incorporating information from the provided patent text and search results. Summary of US Patent 11813381 Patent Number: US11813381 (specifically, US11813381B2) Title: Breast pump…
View full analysis →added 7/31/2026 - US118383851 case →6/8 sections
I'll search for information about US patent 11838385 from the USPTO and any CAFC 2026 docket activity. The first search returned a different patent (12,208,385 — microfluidic devices, Draper Lab), not our number, so I'll disregard it. The…
View full analysis →added 8/25/2026 - US118407301 case →6/8 sections
US Patent 11840730 Summary: Title: Methods and compositions for evaluating genetic markers [cite: https://patents.google.com/patent/US11840730/en] Current Assignee: Molecular Loop Innovations LLC [cite…
View full analysis →added 6/15/2026 - US118512501 case →6/8 sections
Here is a concise summary of US Patent 11851250: US Patent 11851250 Title: Drink bottles Assignee: CamelBak Products LLC Inventors: Robert Choi, Barley A. Forsman, Jeremy Galten Filing Date: December 29, 2021 Issue Date: December 26, 2023…
View full analysis →added 6/15/2026 - US118570641 case →6/8 sections
Here's a concise summary of US Patent 11857064: Title: Tool attachment system Assignee: Milwaukee Electric Tool Corp Inventors: Aaron S. Blumenthal, Jason D. Thurner, Christopher S. Hoppe Filing Date: July 21, 2023 Issue Date: January 2…
View full analysis →added 5/12/2026 - US118573331 case →6/8 sections
US Patent 11857333, titled "Integrated sleep diagnostic and therapeutic system and method," was granted to Cleveland Medical Devices Inc. The inventors listed are Hani Kayyali, Dan Bishop, and Brian M. Kolkowski. The application for this…
View full analysis →added 6/30/2026 - US118646411 case →6/8 sections
Here is a concise summary of US Patent 11864641: US Patent 11864641: Magnetically coupled wallet accessory for mobile device Title: Magnetically coupled wallet accessory for mobile device Assignee: 1LSS Inc Inventors: Fernando Mora…
View full analysis →added 5/14/2026 - US118647551 case →6/8 sections
US patent 11864755, titled "Artificial expandable implant systems," was granted to Moskowitz Family LLC on January 9, 2024, from an application filed on March 22, 2021 (Application number US17/208,640). The inventors are Mosheh T…
View full analysis →added 5/12/2026 - US118720291 case →6/8 sections
Here's a concise summary of US patent 11872029: US Patent 11872029: Devices and methods for sleep disorder diagnosis and treatment Title: Devices and methods for sleep disorder diagnosis and treatment Assignee: Cleveland Medical Devices…
View full analysis →added 6/30/2026 - US118752751 case →6/8 sections
Here is a concise summary of US patent 11875275: Title: Custom time series models in computer analytics systems Assignee: The current assignee is Cisco Technology Inc. The original assignee was Splunk Inc. Inventors: Koulick Ghosh and…
View full analysis →added 5/12/2026 - US118853581 case →6/8 sections
Here's a concise summary of US Patent 11885358: Title: Blind fastener and method of installation thereof Assignee: Howmet Aerospace Inc. (Current and Original Assignee) Inventors: Robert B. Wilcox, James Thomas Smith, Troy Don Pierce…
View full analysis →added 5/12/2026 - US118867501 case →6/8 sections
FOR IMMEDIATE RELEASE Patent Analysis: U.S. Patent No. 11,886,750 Date: April 26, 2026 Overview This report provides a summary of United States Patent number 11,886,750, titled "Analytics, algorithm architecture, and data processing system…
View full analysis →added 5/13/2026