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.

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 letter →

Analyze a patent

Drop a US patent number — we’ll verify it on Google Patents and generate the full invalidity dossier.

By industry

Software Technology & Computing Systems (T)(1343)Medical (M)(713)High-Tech (T)(550)Wireless Technologies(508)Semiconductor (T)(386)Automotive (A)(298)Industrial Manufacturing (IM)(295)Media & Broadcasting (T)(189)Biotechnology(153)Energy (E)(147)Optical Technology(144)Financial Technology (FT)(132)Sporting Goods (S)(84)Other (O)(73)Audio Technology(66)Consumer Durables(56)Home Appliance (HA)(48)Lighting (L)(47)Footwear(37)Agriculture (AG)(36)Firearms (F)(36)Gaming (G)(36)Food (FD)(35)Railroad(33)Home Security(31)Optical Communication(22)Audience Measurement(19)Plumbing(16)Baby Products(12)Printing Technology(10)Fire Safety (FS)(6)Retail Security(6)Telecommunications(5)Tech (T)(4)Aerospace(3)Aerospace (AS)(3)Printing Technology (P)(3)Aerospace (A)(2)Construction (C)(2)Printing (P)(2)Retail Technology (RT)(2)Telecommunications (T)(2)Telecommunications (TC)(2)Toys(2)Advertising (AD)(1)Aerospace (Ae)(1)Aviation(1)Aviation (AV)(1)Building & Construction(1)Building Construction (BC)(1)Building Materials(1)Chemical (C)(1)Chemical Sensing(1)Cosmetics (C)(1)Data Communication(1)Document Security(1)Electrical Components(1)Environmental Monitoring (EM)(1)Fencing(1)Fire Safety(1)Furniture (F)(1)High-Tech(1)Logistics (L)(1)Logistics & Shipping(1)Marine (M)(1)Maritime Logistics(1)Musical Instruments (MI)(1)Networking (N)(1)Office Equipment(1)Office Equipment (OE)(1)Paints & Coatings(1)Pet Products(1)Printing(1)Printing Technology (PT)(1)Retail Technology(1)Retail Technology (R)(1)Software Technology (T)(1)Textiles(1)Textiles (TX)(1)Tobacco (TB)(1)Vaping (V)(1)Video Surveillance(1)Video Technology(1)Water Treatment(1)
  • Here is a concise summary of US Patent 11445241: US Patent 11445241: Information processing apparatus and information processing method Title: Information processing apparatus and information processing method Assignee: Maxell Ltd. (The…

    View full analysis →added 6/15/2026
  • Here's a concise summary of US patent 11484797, based on the provided authoritative patent text: US Patent: 11484797 Title: Systems and methods for capture and use of local elements in gameplay Assignee: ImagineAR Inc. Inventors: Yousuf…

    View full analysis →added 4/27/2026
  • I'll verify the current status and any litigation/docket activity for this specific patent before summarizing. Let me check the claim set and any PTAB/litigation activity specific to this patent number. Let me confirm the claim set and…

    View full analysis →added 9/24/2026
  • I'll search for authoritative information on this specific patent number. Let me check specifically for any Federal Circuit appeal involving this patent and its litigation. Let me check for any PTAB/IPR proceedings and to confirm the…

    View full analysis →added 9/24/2026
  • I'll search for authoritative information on US 11,564,015 and any 2026 CAFC docket activity. Let me pull the actual granted claim text and check for any 2026 Federal Circuit docket activity. Let me try to retrieve the exact independent…

    View full analysis →added 9/28/2026
  • Summary of US Patent 11,570,034 B2 (US11570034) — "Cluster computing" I searched for the literal number 11570034 (US Patent 11,570,034 B2). Below is what is confirmed from the authoritative Google Patents record (the full patent text you…

    View full analysis →added 8/27/2026
  • As a technical patent analyst, here is a concise summary of U.S. Patent 11,620,701 and the results of a search of the CAFC 2026 dockets. Summary of U.S. Patent 11,620,701 Title: Platform for trading assets in different currencies Assignee…

    View full analysis →added 5/12/2026
  • I'll verify the litigation posture and any 2026 developments before summarizing. Let me check for any Federal Circuit activity and the latest IPR status. US 11,648,091 B2 — Multilayer Polymer Sheets Verification note on identifiers: I…

    View full analysis →added 9/30/2026
  • I'll search for the specific patent number and any CAFC 2026 docket activity. Let me try to obtain the granted claim text and check for any CAFC 2026 docket tied to this exact number. Search scope and a date discrepancy I need to flag…

    View full analysis →added 9/24/2026
  • Patent Analysis: US 11,693,450 B2 Date of Analysis: May 1, 2026 Patent Number: 11,693,450 Title: Flexible display computing devices Assignee: Lepton Computing LLC Inventor: Stephen E. Delaporte Filing Date: April 12, 2022 Issue Date: July…

    View full analysis →added 4/27/2026
  • Here is a concise summary of US patent 11697028: Patent Number: US11697028B2 Title: Adjustable illuminator for photodynamic therapy and diagnosis Current Assignee: Sun Pharmaceutical Industries Inc. (Original Assignee: Dusa Pharmaceuticals…

    View full analysis →added 7/30/2026
  • I have completed the search for "US Patent 11733009" in the USPTO database. I was able to find the patent and its details, including the title, current assignee, inventor, filing date, and publication (issue) date from the provided text…

    View full analysis →added 4/27/2026
  • I'll verify the bibliographic data and hunt for 2026 CAFC activity on this specific patent. Now let me pull the actual claim text and check the CAFC 2026 docket activity. Significant new development surfaced — let me verify the 2026 CAFC…

    View full analysis →added 8/28/2026
  • Summary: U.S. Patent No. 11,793,786 B2 (US11793786) Important caveat on sources: I searched web sources (Google Patents, DrugPatentWatch, PTAB/Unified Patents portals, and litigation databases). The full claim text of US11793786 is not…

    View full analysis →added 9/9/2026
  • US patent 11824136, titled "Solar cell, manufacturing method thereof, and photovoltaic module," was issued on November 21, 2023, from an application filed on October 12, 2022. The current assignees are Zhejiang Jinko Solar Co Ltd and Jinko…

    View full analysis →added 5/12/2026
  • Patent Summary: US 12,083,103 B2 Title: Tacrolimus for improved treatment of transplant patients Assignee: Veloxis Pharmaceuticals Inc. Inventors: Robert D. Gordon, Per Holm, Anne-Marie Lademann, Tomas Norling Filing Date: August 4, 2021…

    View full analysis →added 4/27/2026
  • Here's a concise summary of US Patent 12133078: Patent Number: US12133078B2 Title: System and apparatus for selectively limiting user control of an electronic device Assignee: Yondr Inc Inventors: Graham Dugoni Filing Date: March 14, 2024…

    View full analysis →added 5/14/2026
  • Here's a concise summary of US Patent 12233106: Title: C-type natriuretic peptide variants to treat skeletal dysplasia in children Assignee: Biomarin Pharmaceutical Inc. Inventors: Jonathan Day, Elena Fisheleva Filing Date: July 11, 2022…

    View full analysis →added 5/12/2026
  • I'll verify the patent's current status via search, then compile the summary from the authoritative text provided. Let me pull the full claim set to accurately characterize each independent claim. US Patent 12,324,852 — Analyst Summary…

    View full analysis →added 9/9/2026
  • US Patent 12414002: Low Latency Wireless Messaging Title: Low latency wireless messaging Assignee: Spectranet Technologies LLC Inventors: Jeffrey C. Adams Filing Date: November 22, 2022 (for application US17/992,410) Issue Date: September…

    View full analysis →added 5/22/2026