The catalog
Patent invalidity dossiers.
5,810 patents in the database, sorted by number of on-file litigation cases. Of these, 1,947 have at least one tracked case across 4,025 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 9305450: Concise Summary Title: Interactive wireless life safety communications system Current Assignee: Ricmic LLC Inventors: Michael Halverson; Richard E. Knecht Filing Date: August 26, 2014 Issue Date: April 5, 2016 Abstract…
View full analysis →added 6/24/2026US Patent 9317170: Concise Summary Title: Interactive devices Assignee: Power2B Inc Inventors: Sarah Michelle Lipman, Eran Kali, Boris Gutin, Moti Margalit, Robert Michael Lipman, Ken Zwiebel Filing Date: 2013-12-16 Issue Date: 2016-04-19…
View full analysis →added 6/30/2026Here is a concise summary of US patent 9321386: US Patent 9321386 Title: Low profile compact tool carriers Assignee: Vermeer Manufacturing Co Inventors: Brad THOMAS, Louis Hartke, Greg Langenfeld, Matt Hutchinson Filing Date: 2015-04-21…
View full analysis →added 7/1/2026US Patent 9,338,140 B2 — Summary Bibliographic data (verified against USPTO-adjacent sources and the issued patent PDF) | Field | Data | |---|---| | Patent number | US 9,338,140 B2 (application no. 13/468,383) | | Title | Secure data…
View full analysis →added 9/6/2026US Patent 9358286, titled "Methods and means for the production of IG-like molecules," was issued on June 7, 2016, from an application filed on November 15, 2013. The original and current assignee is Merus BV. The inventors are Cornelis A…
View full analysis →added 7/9/2026US Patent 9414635, titled "Biomechanics aware helmet," was issued to Brainguard Technologies Inc. on August 16, 2016, from an application filed on July 24, 2015. The sole inventor listed is Robert T. Knight. Abstract: The patent describes…
View full analysis →added 5/14/2026I'll search for authoritative information on US 9415016, including its claims and any 2026 CAFC docket activity. Let me look for the claim text of US 9415016 and any Federal Circuit activity. Let me try to retrieve the actual claim set…
View full analysis →added 9/16/2026Here is a concise summary of US Patent 9451001: US Patent Number: 9451001 Title: Social networking with video annotation Current Assignee: ART RESEARCH AND TECHNOLOGY LLC Inventors: David Hirschfeld, Barry Fernando, Mark C. Phelps Filing…
View full analysis →added 5/14/2026US Patent 9474780: GIP and GLP-1 Co-Agonist Compounds Title: GIP and GLP-1 co-agonist compounds Assignee: Eli Lilly and Co Inventors: Bengt Krister Bokvist, Tamer Coskun, Robert Chadwick Cummins, Jorge Alsina-Fernandez Filing Date: January…
View full analysis →added 5/14/2026I'll search for the specific patent number 9483448 and any CAFC docket references. Both searches returned no results. Let me try alternate search formulations. I have good confirmation of the patent's core details and litigation history…
View full analysis →added 8/29/2026Here is a concise summary of US patent 9,595,008: US Patent 9,595,008 Summary Title: Systems, methods, apparatus for evaluating status of computing device user Assignee: Nobots LLC Inventor: Timothy P. Heikell Filing Date: 2008-11-19 Issue…
View full analysis →added 6/15/2026Here's a concise summary of US Patent 9615192: US Patent 9615192 Title: Message link server with plural message delivery triggers Assignee: Headwater Research LLC Inventor: Gregory G. Raleigh Filing Date: July 15, 2016 Issue Date: April 4…
View full analysis →added 5/12/2026Here's a concise summary of US Patent 9628310: Patent Number: US9628310B2 Title: Long training field sequence construction Current Assignee: Atlas Global Technologies LLC Inventors: Daewon Lee, Sungho Moon, Yujin Noh, Minho Cheong Filing…
View full analysis →added 4/27/2026US Patent 9667751, titled "Data feed acceleration," was issued to Realtime Data LLC. The inventors listed are James J. Fallon, Paul F. Pickel, Stephen J. McErlain, and II Carlton J. Melone. The patent was filed on September 14, 2015, and…
View full analysis →added 5/29/2026Here is a concise summary of US Patent 9708965: US Patent Number: 9708965 Title: Optimized fuel management system for direct injection ethanol enhancement of gasoline engines Assignee: Massachusetts Institute of Technology [cite: Original…
View full analysis →added 6/15/2026US Patent 9727655, titled "Searching system, method and P2P device for P2P device community", provides a novel approach to data searching within a peer-to-peer (P2P) network. Here's a concise summary: Title: Searching system, method and…
View full analysis →added 5/14/2026I'll search for authoritative information on US 9757040, including current litigation/docket status. Now let me search for the CAFC 2026 docket status and the specific claims of this patent. Let me get the exact claim text and check for…
View full analysis →added 9/22/2026US Patent 9892637, titled "Vehicle identification system," was invented by Dereje M. Demisse and is currently assigned to Rideshare Displays Inc., which was also the original assignee. The patent was filed on May 27, 2015, under…
View full analysis →added 6/15/2026US Patent 9933866, titled "Active stylus with high voltage," was granted to Wacom Co Ltd. The patent lists Shahrooz Shahparnia, Kishore Sundara-Rajan, Yassar Ali, and Izhar Bentov as its inventors. The application for this patent was filed…
View full analysis →added 5/14/2026US patent 9946369, titled "Input system for controlling electronic device," was issued to Power2B Inc. on April 17, 2018. The inventors are Robert Michael Lipman and Sarah Michelle Lipman. The application was filed on September 21, 2016…
View full analysis →added 6/26/2026