The catalog
Patent invalidity dossiers.
7,246 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.
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Drop a US patent number — we’ll verify it on Google Patents and generate the full invalidity dossier.
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I'll verify the patent's current status and any 2026 court activity before summarizing. US 8,366,481 B2 — "Continuity Maintaining Biasing Member" Verification note on scope: I searched for 8366481 specifically and filtered out near-numbers…
View full analysis →added 9/30/2026I'll run a few targeted searches to check for litigation/PTAB records and any 2026 appellate activity, then summarize the patent itself. One more round to check for any 2026 appellate activity and the effect of the 2019 post-grant review…
View full analysis →added 10/1/2026Here's a concise summary of US patent 8478903: Title: Shared content delivery infrastructure Assignee: Current Assignee: MOUNT SHASTA ACQUISITION LLC, Digital Island Inc, Sandpiper Cdn LLC Original Assignee: Level 3 Communications LLC…
View full analysis →added 5/12/2026An analysis of US Patent 8,566,868 is provided below. This summary is based on the full text of the patent. As of today's date, a search for this patent in the U.S. Court of Appeals for the Federal Circuit (CAFC) 2026 dockets did not yield…
View full analysis →added 4/27/2026I'll search for authoritative details on this patent, including any 2026 CAFC activity. Let me check for any 2026 CAFC appellate activity and recent PTAB developments for this specific patent. Let me verify the claim structure (which…
View full analysis →added 9/30/2026I'll search for authoritative information on this specific patent number and any 2026 CAFC docket activity. US 8,595,069 B2 — Analyst Summary Scope and confidence note I searched for the literal string "8595069" and related identifiers…
View full analysis →added 9/28/2026I'll search for current information on US 8646042, including any CAFC 2026 docket activity. Let me pull the claim set and check the second CAFC docket referenced. US 8,646,042 B1 — Summary Sources consulted: the Google Patents full text…
View full analysis →added 9/18/2026Analysis of U.S. Patent 8,649,971: Navigation Device Date of Analysis: April 26, 2026 This report provides a concise summary of United States Patent 8,649,971, including its key bibliographic details and a plain-language overview of its…
View full analysis →added 4/27/2026I'll search for this specific patent number across USPTO and Federal Circuit sources. Let me verify the PTAB outcome and check for any 2026 Federal Circuit appeal specific to this patent. US 8,737,511 B2 — Summary Sources consulted: Google…
View full analysis →added 9/27/2026I'll search for this specific patent number across the requested sources. Let me verify the granted claim set and check the litigation details. Let me confirm the full claim set (independent claims) for the '668 patent. US 8,822,668 B2 —…
View full analysis →added 9/24/2026I'll research this specific patent number across the sources available to me. Let me dig deeper into the claims and any 2026 appellate activity. Let me retrieve the full claims text to accurately summarize the independent claims. US Patent…
View full analysis →added 9/28/2026I'll verify the patent's current status and check for any 2026 CAFC activity before summarizing. Important: an IPR (IPR2016-00892) found claims 1–27 unpatentable. Let me check the outcome and the Federal Circuit appeal 18-1236. I have the…
View full analysis →added 9/30/2026Here's a concise summary of US Patent 9092428: Title: System, methods and user interface for discovering and presenting information in text content Current Assignee: Linfo Ip LLC Inventors: Guangsheng Zhang, Chizhong Zhang Filing Date…
View full analysis →added 5/10/2026Summary: US Patent 9,135,737 B2 I searched for the specific patent number 9135737 (US9135737B2). The authoritative identifiers all trace to Eagle View Technologies' roof-estimation patent — not to any similarly numbered patent. (One search…
View full analysis →added 9/4/2026Patent Overview — US 9,135,800 B2 Title: "Programmable security system and method for protecting merchandise" Patent number / kind code: US9135800B2 Application number: US 14/529,516 (filed 2014-10-31) Publication date (grant): 2015-09-15…
View full analysis →added 9/30/2026I'll search for authoritative records on this patent, including any CAFC 2026 docket activity. Let me check specifically for Federal Circuit 2026 activity and the PTAB proceedings. Summary of US Patent No. 9,331,489 Sources used: Google…
View full analysis →added 9/19/2026I'll search the USPTO database and CAFC dockets for this specific patent number. I have solid data on the patent itself. Now let me find the actual claim text and check for CAFC 2026 docket entries specific to this patent. US Patent…
View full analysis →added 8/29/2026I'll verify the litigation/docket status with searches, then summarize using the authoritative patent text. Key development found regarding validity. Let me verify the Federal Circuit docket and the certificate of cancellation. US…
View full analysis →added 9/30/2026Patent Overview — US 9,775,838 B2 Title: "Nasal drug products and methods of their use" Source: https://patents.google.com/patent/US9775838/en Key bibliographic data (per supplied text): - Patent number: US 9,775,838 B2 - Application…
View full analysis →added 9/30/2026- US114054295 cases →5/8 sections
US Patent 11,405,429 B2 — Summary Note on sources: I searched the USPTO-related records (via the USPTO front-page image captured in a court exhibit, Google Patents, and USPTO PTAB/IPR documents) and CAFC 2026 dockets. I found no CAFC 2026…
View full analysis →added 8/28/2026