The catalog
Patent invalidity dossiers.
7,247 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 details and check for any litigation/docket information before summarizing. Let me try to locate the actual claim text and check for any 2026 appellate activity. Let me attempt to retrieve the full claim set and…
View full analysis →added 9/30/2026I'll run a couple of targeted searches to check current docket/litigation status, then summarize. Let me pull the actual claim set for this patent to ground the claim summary. Let me try to retrieve the actual claim language of the '818…
View full analysis →added 9/27/2026I'll run targeted searches for this specific patent number and check for any recent litigation or appellate activity. Search notes and caveats - No CAFC 2026 docket for 5,572,643 was found. Multiple targeted searches (patent number alone…
View full analysis →added 9/24/2026I'll verify the patent's current status and check for any recent litigation activity before summarizing. Let me verify the litigation outcomes and check for any 2026 activity specifically involving this patent number. Let me do one final…
View full analysis →added 9/27/2026I'll verify the current litigation/docket status via search, then summarize against the authoritative patent text provided. US Patent 6,012,811 — Verification Summary Search note: I searched for the literal identifier 6012811. Searches…
View full analysis →added 9/17/2026I'll search for this patent across USPTO and CAFC sources. Let me check for CAFC activity and confirm the docket history. Let me check for any recent (2025–2026) docket activity and confirm current ownership. US Patent 6,121,960 — Analyst…
View full analysis →added 9/24/2026I'll search for current information on this patent, including any litigation activity. Let me check for any recent (2025–2026) litigation activity involving this patent. US Patent 6,185,586 B1 — Analyst Summary Sourcing note: The full…
View full analysis →added 9/29/2026I'll run targeted searches to check for any current USPTO records or 2026 CAFC activity on this exact number before summarizing. Let me check specifically for any 2026 Federal Circuit activity and the current owner/enforcement status…
View full analysis →added 9/11/2026I'll verify the patent details against live sources before summarizing. Let me pin down the exact independent claim language. US 6,398,548 B1 — Analyst Summary Verification note: The requested identifier 6398548 resolves cleanly and only…
View full analysis →added 9/29/2026I'll run targeted searches for this patent number and its current litigation status. Let me check the Federal Circuit appeal history and any 2026 activity for this patent. One more check on whether the '193 patent itself is in any pending…
View full analysis →added 9/28/2026I'll run several targeted searches to verify the patent's bibliographic data and check for any 2026 CAFC activity. Let me run a few follow-up checks on the litigation history and any recent (2026) activity. Search scope and caveats I…
View full analysis →added 9/30/2026I'll search for current information on this patent, including any 2026 docket activity. US Patent 6,452,958 — Summary Important sourcing caveat up front: My searches surfaced Google Patents (the authoritative full-text copy reproduced in…
View full analysis →added 9/26/2026I'll search for authoritative information on this patent, including any 2026 CAFC activity. US Patent 6,471,511 B1 — Analyst Summary Sourcing note Primary basis: the authoritative full text at https://patents.google.com/patent/US6471511/en…
View full analysis →added 9/29/2026I'll search for authoritative information on this specific patent number. Let me check the specific appellate docket and any 2026 USPTO/PTAB activity. US Patent 6,552,360 — Analyst Summary Search scope note: I searched for the specific…
View full analysis →added 9/30/2026I'll search for the patent and any related litigation, including CAFC 2026 dockets. Let me check for any 2026 CAFC activity and confirm the historical litigation. US Patent 6,707,867 B2 — Analyst Summary Bottom line on your two specific…
View full analysis →added 9/27/2026Summary of U.S. Patent 6,772,229 Title: Centrifugal communication and collaboration method Assignee: Sampo IP LLC Inventors: Theodore B. Achacoso, D. Wayne Silby Filing Date: November 13, 2000 Issue Date: August 3, 2004 Abstract: A system…
View full analysis →added 5/10/2026Patent Overview: US6839759B2 Title: Method for establishing secure communication link between computers of virtual private network without user entering any cryptographic information Patent number: US6839759B2 Application number…
View full analysis →added 9/24/2026I have the authoritative patent text in the prompt, but let me verify the abstract and check for any 2026 CAFC activity. Let me try to retrieve the abstract and claim text directly. Let me retrieve the full claim set, especially…
View full analysis →added 9/22/2026I'll search for authoritative information on US patent 6856760. Let me verify the full claim set and check for any 2026 CAFC activity. US Patent 6,856,760 B2 — "Recording medium" Important scoping note: I searched for the literal…
View full analysis →added 9/28/2026I'll search for authoritative information on this specific patent number and any 2026 CAFC docket activity. Let me verify whether the '292 patent appears in any 2026 Federal Circuit appeal (e.g., the Maxell v. Samsung docket) and confirm…
View full analysis →added 9/25/2026