The catalog
Patent invalidity dossiers.
7,175 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
- US75655550 cases6/8 sections
US patent 7565555, titled "Uninterruptible power supply resource sharing for multiple power sourcing equipment network devices", was issued on July 21, 2009, from an application filed on November 23, 2005. The sole inventor listed is Wael…
View full analysis →added 8/18/2026 - US75670490 cases6/8 sections
I'll search for this patent and any related CAFC 2026 docket activity. Let me run a few more targeted searches to check for any litigation or CAFC 2026 activity. Summary of US Patent 7,567,049 Important note on scope: I searched for this…
View full analysis →added 9/24/2026 - US75712660 cases6/8 sections
I'll search for authoritative information on US 7,571,266, including any CAFC 2026 docket activity. Let me run more targeted searches on the patent and its owner. US Patent 7,571,266 — Summary Source (authoritative): Google Patents…
View full analysis →added 9/24/2026 - US75770990 cases6/8 sections
US Patent 7577099: Method and Apparatus for Fault Localization in a Network Title: Method and apparatus for fault localization in a network Assignee: AT&T Corp Inventors: Albert G. Greenberg, Ramana Rao Kompella, Alex C. Snoeren, Jennifer…
View full analysis →added 5/10/2026 - US75778390 cases6/8 sections
I'll research this patent in the USPTO/Google Patents databases and check for any CAFC 2026 activity. Let me verify the granted claims for US 7,577,839 specifically and check for any litigation/CAFC activity. Let me verify the exact…
View full analysis →added 9/24/2026 - US75874300 cases6/8 sections
US patent 7587430, titled "Backup system for data base," was filed on April 18, 2006, and issued on September 8, 2009. The patent is assigned to Hitachi, Ltd.. The inventors are Yoshio Suzuki, Nobuo Kawamura, Satoru Watanabe, Shinji…
View full analysis →added 5/10/2026 - US75875120 cases6/8 sections
I'll search for authoritative information on US 7587512 and any related litigation. Let me search for specific litigation and PTAB activity involving this patent. Let me look for the granted claim set and any CAFC/PTAB proceedings. US…
View full analysis →added 9/24/2026 - US75912230 cases6/8 sections
I'll search for information on this patent number, including any CAFC 2026 docket activity. Search scope and caveats My tools here are general web searches, not a direct query of the USPTO PatentCenter/PAIR system or the CAFC docket. So…
View full analysis →added 9/30/2026 - US75912450 cases6/8 sections
I'll search for litigation and docket information on this patent, then compile the summary. Let me run additional targeted searches for any litigation or PTAB/Court of Appeals activity. Let me try a couple more targeted searches for court…
View full analysis →added 9/24/2026 - US75941680 cases6/8 sections
US Patent 7594168B2, titled "Browser based web site generation tool and run time engine," was invented by Steven H. Rempell. The original assignee was Akira Tech Inc, and the current assignee is EXPRESS MOBILE Inc and Akira Tech Inc. The…
View full analysis →added 5/10/2026 - US75998550 cases6/8 sections
I'll search for authoritative information on this specific patent number before summarizing. Let me run more targeted searches to verify assignee/inventor details and check for any litigation or Federal Circuit activity involving this…
View full analysis →added 9/26/2026 - US76074020 cases6/8 sections
I'll search for authoritative information on this patent and check for any litigation activity. Let me check for any litigation/CAFC dockets and retrieve the claims of this specific patent. Let me try to retrieve the actual claim text and…
View full analysis →added 9/24/2026 - US76106210 cases6/8 sections
I'll run targeted searches for this specific patent number across USPTO and litigation sources. Now let me check litigation/docket sources, including CAFC 2026 activity. US 7,610,621 B2 — Analyst Summary Search scope note: I queried for…
View full analysis →added 9/24/2026 - US76241380 cases6/8 sections
US Patent 7624138: Method and Apparatus for Efficient Integer Transform Title: Method and apparatus for efficient integer transform Assignee: Intel Corp Inventors: Eric Debes, William W. Macy, Jonathan J. Tyler Filing Date: December 30…
View full analysis →added 5/10/2026 - US76285150 cases6/8 sections
I'll search for authoritative information on this patent, including any CAFC litigation. Let me try a couple more targeted searches to check for any litigation or assignment records. Summary: US Patent 7,628,515 Source note: The…
View full analysis →added 9/24/2026 - US76316820 cases6/8 sections
I'll verify the patent's current status and check for any litigation or CAFC activity, then summarize. US 7,631,682 B2 — Verification and Summary Important caveat up front: I do not have direct API access to USPTO PatentCenter or the CAFC…
View full analysis →added 9/24/2026 - US76349830 cases6/8 sections
US 7,634,983 B2 — Verification Summary Verification status: Confirmed against the full Google Patents record for US7634983B2 fetched 2026‑09‑11 (https://patents.google.com/patent/US7634983/en). Web searches for a CAFC 2026 docket naming…
View full analysis →added 9/11/2026 - US76392440 cases6/8 sections
I'll search for authoritative information on this specific patent number. Let me run targeted searches for any 2026 litigation or appeal involving this specific patent number. Summary of US 7,639,244 (from the authoritative patent text)…
View full analysis →added 9/30/2026 - US76434810 cases6/8 sections
I'll verify the patent identifiers against live sources before summarizing. Now let me retrieve the actual claim text and check for any litigation. Verification status first I ran targeted searches against Google Patents…
View full analysis →added 9/26/2026 - US76474220 cases6/8 sections
I'll search for this specific patent number across USPTO and CAFC sources. The CAFC docket search returned no results. Let me verify that negative finding and check for any litigation/assignment activity. Let me confirm the negative CAFC…
View full analysis →added 10/1/2026