The catalog
Patent invalidity dossiers.
7,243 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
US patent 8613703, titled "Insertion devices and methods," was assigned to Abbott Diabetes Care Inc. It lists Gary Ashley Stafford as the inventor. The patent was filed on May 29, 2008, and issued on December 24, 2013. Abstract: The patent…
View full analysis →added 5/10/2026Analysis of U.S. Patent 8,613,717 Date of Analysis: April 26, 2026 This report provides a summary of United States Patent 8,613,717, including its key bibliographic details and a plain-language explanation of its independent claims. ---…
View full analysis →added 4/27/2026Summary of US Patent 8615700: Forward Error Correction with Parallel Error Detection for Flash Memories US Patent 8615700, titled "Forward error correction with parallel error detection for flash memories," was issued on December 24, 2013…
View full analysis →added 6/15/2026US Patent 8620659, titled "System and method of supporting adaptive misrecognition in conversational speech," was issued on December 31, 2013, from an application filed on February 7, 2011. The inventors are Philippe Di Cristo, Chris…
View full analysis →added 5/14/2026I'll search for authoritative information on US 8623826, including any 2026 CAFC activity. Let me check specifically for any Federal Circuit (CAFC) 2026 appeal activity. Let me verify the full claim set (claims 17–25) for this patent. US…
View full analysis →added 9/17/2026I'll search for information on this specific patent number, including any litigation or docket activity. Let me run a couple more targeted checks for litigation/docket activity tied to this specific number. US 8,633,356 B2 — Summary Search…
View full analysis →added 9/27/2026I'll search for authoritative information on this patent, including any 2026 CAFC docket activity. Let me dig deeper on the specific docket and any IPR involving 8635311 itself. Now let me find the actual claim text for US 8,635,311…
View full analysis →added 9/21/2026I'll verify the patent against live sources and check for any 2026 CAFC docket activity. Let me check specifically for CAFC docket activity and additional case details. US Patent 8,655,829 — Verification Summary Important date note: Your…
View full analysis →added 9/29/2026I'll search for this patent number across sources, including any CAFC 2026 docket activity. Let me search specifically for litigation/docket activity and assignee details. US Patent 8,659,093 — Analyst Summary Search scope note: I searched…
View full analysis →added 9/24/2026I'll run targeted searches for this exact patent number, then summarize. US 8,667,894 B2 — Verified Record Note on sourcing: The number was searched literally as 8667894. Live searches returned the patent's full text (Google Patents…
View full analysis →added 9/30/2026I'll search for authoritative information on this patent, including any 2026 CAFC docket activity. Let me check the specific CAFC docket 20-1256 and any 2026 activity. US Patent 8,677,250 — Summary Ground truth note: The core bibliographic…
View full analysis →added 9/28/2026Based on the full patent text you provided (authoritative source: Google Patents, US8688111B2) plus supplemental USPTO/patent-database and litigation search results, here is a concise summary. Bibliographic data (verified) - Patent number…
View full analysis →added 9/1/2026Search notes (performed) - I searched for USPTO/Patent Center records for 8,689,064 / US8689064 and for CAFC 2026 docket entries tied to that exact patent number. The USPTO-site-restricted search returned no usable results, so I relied on…
View full analysis →added 9/6/2026I'll run searches to check for USPTO records and any CAFC 2026 docket activity for this specific patent number. Let me run a couple more targeted checks for litigation/docket activity and USPTO records for this exact number. US 8,698,336…
View full analysis →added 9/27/2026I'll search for authoritative information on this patent number and any 2026 CAFC activity. US Patent 8,715,203 — Quick Reference Summary Note on scope: I searched for 8715203 / 8,715,203 as a literal string (no fuzzy matching, no…
View full analysis →added 9/28/2026I have successfully searched for US Patent 8,721,511 on the USPTO Patent Full-Text and Image Database (PatFT) and have retrieved the necessary information regarding its title, assignee, inventors, filing date, issue date, and abstract. I…
View full analysis →added 5/12/2026A review of US Patent 8,730,833 reveals the following details: Title: Coordination of co-spectrum users with wireless broadband networks Assignee: The patent was originally assigned to Empire Technology Development LLC. The provided…
View full analysis →added 4/27/2026I'll search for authoritative information on US 8,734,149, including any litigation/docket activity. Let me do additional targeted searches for any CAFC/PTAB 2026 activity and the known litigation. Let me check for any 2026 disputes or…
View full analysis →added 9/29/2026Here is a concise summary of US Patent 8737933: US Patent 8737933 Summary Title: Data transfer between wireless devices Assignee: InterDigital Patent Holdings Inc Inventors: Alan G. Carlton, Alexander Reznik Filing Date: June 28, 2013…
View full analysis →added 7/23/2026I'll run several targeted searches to verify the patent record and check for any 2026 CAFC docket activity. Let me check the litigation/IPR track and any Federal Circuit appeal activity specific to '974. US 8,750,974 — Verified Summary I…
View full analysis →added 9/25/2026