The catalog
Patent invalidity dossiers.
7,163 patents in the database, sorted by number of on-file litigation cases. Of these, 2,988 have at least one tracked case across 6,606 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
- US80234250 cases7/8 sections
I'll search for this specific patent in the USPTO database and check CAFC 2026 dockets, being careful to search only for 8023425. Let me get the full independent claims and check for any CAFC activity more specifically. Let me pull the…
View full analysis →added 8/29/2026 - US81020740 cases7/8 sections
I'll run targeted searches for this specific patent number and for any 2026 CAFC activity. The general searches returned noise. Let me try more specific queries against patent-specific and court-specific sources. Summary of US Patent…
View full analysis →added 9/26/2026 - US83507630 cases7/8 sections
Here is a concise summary of US Patent 8,350,763: US Patent 8,350,763: Active Antennas for Multiple Bands in Wireless Portable Devices Title: Active antennas for multiple bands in wireless portable devices Assignee: Massively Broadband LLC…
View full analysis →added 5/13/2026 - US84747560 cases7/8 sections
I'll search for authoritative records on this specific patent number. Let me check for any litigation or CAFC docket activity involving this patent. US 8,474,756 B2 — Search Report Important scope caveat up front. I do not have direct…
View full analysis →added 9/24/2026 - US90703320 cases7/8 sections
I'll search for the specific patent and any related litigation/docket information. Let me run a few more targeted searches to check for any litigation, PTAB, or CAFC activity involving this specific patent. US Patent 9,070,332 B2 — Analyst…
View full analysis →added 9/24/2026 - US92152360 cases7/8 sections
Here is a concise summary of US Patent 9215236: Title: Secure, policy-based communications security and file sharing across mixed media, mixed-communications modalities and extensible to cloud computing such as SOA [cite: The full patent…
View full analysis →added 8/11/2026 - US92472990 cases7/8 sections
Here's a concise summary of US Patent 9247299, based on the provided authoritative patent text and a search for CAFC dockets: US Patent 9247299 Title: Method and system for television channel group Current Assignee: Innobrilliance LLC…
View full analysis →added 5/21/2026 - US94264520 cases7/8 sections
US Patent 9426452 Summary Title: Faster state transitioning for continuous adjustable 3Deeps filter spectacles using multi-layered variable tint materials Assignee: Vdpp LLC Inventors: Kenneth Martin Jacobs, Ronald Steven Karpf Filing…
View full analysis →added 8/20/2026 - US95020250 cases7/8 sections
Here's a concise summary of US Patent 9,502,025: Title: System and method for providing a natural language content dedication service Assignee: VB Assets LLC Inventors: Mike Kennewick, Lynn Elise Armstrong Filing Date: 2010-11-10 Issue…
View full analysis →added 5/14/2026 - US95238260 cases7/8 sections
US Patent 9523826, titled "Pluggable optical transceiver module," was issued to Applied Optoelectronics Inc. The inventors are Chao-Hung Tsai, Chien-Te Lin, and Che-Shou Yeh. The patent was filed on October 2, 2014, and issued on December…
View full analysis →added 5/12/2026 - US95250840 cases7/8 sections
US Patent 9,525,084, titled "Microstructure enhanced absorption photosensitive devices," was issued to W&wsens Devices Inc. on December 20, 2016. The application was filed on November 18, 2015, with inventors Shih-Yuan Wang and Shih-Ping…
View full analysis →added 5/14/2026 - USEP2449782B10 cases7/8 sections
As a technical patent analyst, here is a concise summary of patent EP2449782B1. It is important to note that EP2449782B1 is a European patent, not a United States patent. Searches of the United States Patent and Trademark Office (USPTO)…
View full analysis →added 4/26/2026 - USUS7391791B20 cases7/8 sections
A concise summary of US Patent US7391791B2 is as follows: Title: Method and system for synchronization of content rendering Assignee: Implicit Networks, Inc. Inventors: Information not authoritatively available. Filing Date: December 17…
View full analysis →added 4/26/2026 - US02209670 cases6/8 sections
Analysis of US Patent 0220967 Date of Analysis: 2026-05-01 Subject: US Patent 0220967 Executive Summary A comprehensive search for a granted US Patent with the number 0220967 did not yield a direct match. The provided number does not…
View full analysis →added 4/27/2026 - US10000000 cases6/8 sections
I'll search for the specific patent number and any related litigation/docket activity. Let me verify the litigation/docket references and check the "similar documents" claims. Let me try to retrieve the complete claim text, which appears…
View full analysis →added 9/24/2026 - US100013970 cases6/8 sections
I'll run targeted searches for this specific patent number and its litigation/administrative history. Let me check for any litigation or PTAB proceedings, and confirm the CAFC docket angle. Search results and caveats first What I could…
View full analysis →added 9/24/2026 - US100014000 cases6/8 sections
I'll search for this specific patent number and any related litigation. US Patent 10,001,400 — Summary Important caveat on scope of search: I ran targeted searches for this exact number (US 10,001,400 / US10001400) against publicly indexed…
View full analysis →added 9/24/2026 - US100125740 cases6/8 sections
I'll search for authoritative records on this patent number, including USPTO and any 2026 CAFC docket activity. Let me check for any litigation or CAFC docket activity involving this patent. Let me look for the specific claim set and any…
View full analysis →added 9/24/2026 - US100197220 cases6/8 sections
I'll search for authoritative information on this specific patent number. Let me search for any 2026 CAFC docket activity and additional USPTO records. US Patent 10,019,722 — Verified Bibliographic Summary Search scope note: I searched for…
View full analysis →added 10/1/2026 - US100257310 cases6/8 sections
US patent 10025731, titled "Memory module and circuit providing load isolation and noise reduction," was assigned to Netlist Inc. The inventors are Hyun Lee, Jayesh R. Bhakta, Jeffrey C. Solomon, Mario Jesus Martinez, and Chi-She Chen. The…
View full analysis →added 5/14/2026