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
- US78852860 cases1/8 sections
Patent Overview — US7885286B2 Title: "Method and arrangements in an IP network" Patent number / application: US7885286B2; application US11/315,293, filed 2005-12-23. Publication date 2011-02-08. Priority date listed as 2005-12-23 (Google…
View full analysis →added 9/23/2026 - US78859930 cases1/8 sections
Patent Overview: US7885993B2 Title: Communication apparatus, communication method, electronic apparatus, control method for controlling electronic apparatus, and storage medium Patent Number: US7885993B2 Assignee: Sony Corp (current and…
View full analysis →added 9/24/2026 - US78860690 cases1/8 sections
Patent Overview — US 7,886,069 B2 Title: "Video distribution system including progressive playback" Patent number / application: US 7,886,069 B2; application US 11/970,493, filed 2008-01-07. Inventor: Roland Osborne. Assignee: Original…
View full analysis →added 9/23/2026 - US78946110 cases1/8 sections
Patent Overview — US 7,894,611 B2 Title: Spatial disassembly processor Assignee: Bose Corporation (original assignee Bose Corp) Inventors: Paul E. Beckmann; Finn A. Arnold Priority date: 1994-04-15 Filing date: 2009-12-07 (application…
View full analysis →added 9/23/2026 - US79036400 cases1/8 sections
US 7,903,640 — Patent Overview Title: System and method for voice over internet protocol using a standard telephone system Patent number: US 7,903,640 B2 Application number: US 12/145,122 Inventors: John P. Ruckart; Rimas J. Rauba Assignee…
View full analysis →added 9/23/2026 - US79133030 cases1/8 sections
Patent Overview: US 7,913,303 B1 Title: Method and system for dynamically protecting a computer system from attack Patent number: US 7,913,303 B1 Application number: US10/400,938 Filing date: 2003-03-27 Priority date (as listed)…
View full analysis →added 9/21/2026 - US79299020 cases1/8 sections
Patent Overview — US7929902B1 Title: Virtual wireless multitrack recording system Patent number: US7929902B1 Application number: US11/404,735 Assignee: Zaxcom Inc (original and current assignee per the supplied text) Inventors: Glenn…
View full analysis →added 9/23/2026 - US79365530 cases1/8 sections
Patent Overview — US 7,936,553 B2 Title: Capacitors adapted for acoustic resonance cancellation Patent number / application: US 7,936,553 B2; application US 11/726,458, filed 2007-03-22; granted 2011-05-03. Publication US 2008/0232023 A1…
View full analysis →added 9/23/2026 - US79373800 cases1/8 sections
Patent Overview: US7937380B2 Title: System and method for recommended events Patent number: US7937380B2 Application number: US11/615,544 Inventors: Michael Spiegelman; William MacDonald White Original assignee: Yahoo! Inc. (current…
View full analysis →added 9/21/2026 - US79413640 cases1/8 sections
Patent Overview — US 7,941,364 B2 Title: Price improvement processor for electronic trading of financial instruments Assignee/Applicant of record (as supplied): Original assignee Boston Options Exchange Group LLC; current assignee listed…
View full analysis →added 9/23/2026 - US79455440 cases1/8 sections
Patent Overview: US 7945544 B2 Title: Similarity-based access control of data in a data processing system Patent number: US7945544B2 Application number: US11/980,688 (filed 2007-10-31) Priority date: 1995-04-11 (listed as an assumption…
View full analysis →added 9/23/2026 - US79497790 cases1/8 sections
Patent Overview: US7949779B2 Title: Controlling subscriber information rates in a content delivery network Patent number: US7949779B2 | Application: US11/980,689 | Publication (A1): US20080215750A1 Inventors: David A. Farber, Richard E…
View full analysis →added 9/23/2026 - US79616160 cases1/8 sections
Patent Overview — US7961616B2 Title: Method and apparatus for congestion control in a wireless communication system Patent number / application: US7961616B2; application US09/877,820 Assignee: Qualcomm Inc (original and current assignee…
View full analysis →added 9/21/2026 - US79636870 cases1/8 sections
US7963687B2 — "Light emitting panel assemblies" (source: https://patents.google.com/patent/US7963687/en) Bibliographic data (from the supplied excerpt) - Patent number: US7963687B2; application US12/724,039, filed 2010-03-15; granted…
View full analysis →added 9/23/2026 - US79735160 cases1/8 sections
Patent Overview — US 7,973,516 B2 Title: Sliding conductor transmission cable Patent number / application: US 7,973,516 B2; application US 12/833,838, filed 2010-07-09. Publication / grant: US 2010/0277127 A1 published 2010-11-04; patent…
View full analysis →added 9/23/2026 - US79761960 cases1/8 sections
Patent Overview — US 7,976,196 B2 Title: Method of forming LED-based light and resulting LED-based light Source: https://patents.google.com/patent/US7976196/en Bibliographic data (as listed): Application US12/169,918; priority/filing date…
View full analysis →added 9/23/2026 - US79919120 cases1/8 sections
Patent Overview — US7991912B2 Title: Load balancing of server clusters Patent number / application: US7991912B2; application US12/414,306 Inventors: Srinivas Manapragada and Pritham Shetty Assignee / current assignee (as listed): Original…
View full analysis →added 9/23/2026 - US80269290 cases1/8 sections
Patent Overview Title: Seamlessly overlaying 2D images in 3D model Patent number: US8026929B2 Assignee/Current Assignee: University of Southern California (USC); original assignee same. Inventor: Michael Naimark Key dates from the supplied…
View full analysis →added 10/7/2026 - US80324210 cases1/8 sections
Patent Overview: US 8,032,421 B1 — "Method and system to distribute online video" Bibliographic data (from supplied text). Patent number US 8,032,421 B1; application US 11/743,558; inventors Chi Fai Ho and Shin Cheung Simon Chiu; original…
View full analysis →added 9/23/2026 - US80448350 cases1/8 sections
Patent Overview — US8044835B2 Title: Linearized optical digital-to-analog modulator Patent number: US8044835B2 (application US12/636,805; pre-grant publication US20100156679A1) Assignee/Original Assignee: Ramot at Tel Aviv University Ltd…
View full analysis →added 9/24/2026