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 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)
  • US10460890
    0 cases6/8 sections

    Summary — US Patent 10,460,890 B2 ("Multi-pole dome switch") I searched the USPTO/Google Patents records and CAFC 2026 dockets. The patent text below comes from the authoritative Google Patents/USPTO record…

    View full analysis →added 8/28/2026
  • US10466100
    0 cases6/8 sections

    I'll run targeted searches for this exact patent number and any 2026 CAFC docket activity, then summarize against the authoritative full text I have. US Patent 10,466,100 — Summary Important scope note: I was able to retrieve and verify…

    View full analysis →added 9/24/2026
  • US10466101
    0 cases6/8 sections

    I'll verify the patent record and check for any litigation or assignment changes before summarizing. Now let me check for any litigation, PTAB proceedings, or recent assignment changes. US 10,466,101 B2 — Verification and Summary I ran…

    View full analysis →added 9/24/2026
  • US10466104
    0 cases6/8 sections

    I'll search for information on this patent number, including any litigation or CAFC docket activity. Let me run additional targeted searches for litigation and USPTO records. Summary of US Patent 10,466,104 (US10466104B2) Sourcing note…

    View full analysis →added 9/24/2026
  • US10473926
    0 cases6/8 sections

    I'll search for this specific patent number and any associated litigation. Now let me check for any litigation or CAFC docket activity involving this patent. Let me verify the full claim set to identify all independent claims. US Patent…

    View full analysis →added 9/24/2026
  • US10474270
    0 cases6/8 sections

    I'll search for authoritative information on this specific patent number, including any litigation or CAFC docket activity. Let me dig deeper into the litigation and PTAB/C AFC activity. US Patent 10,474,270 B2 — Analyst Summary…

    View full analysis →added 9/24/2026
  • US10475147
    0 cases6/8 sections

    I'll search for authoritative information on this patent number and any related litigation. Let me search for the patent's claims and any litigation/docket activity. Let me look for the claims text and any litigation involving this…

    View full analysis →added 10/1/2026
  • US10482293
    0 cases6/8 sections

    Here's a concise summary of US patent 10482293: Patent Number: US104822293B2 Title: Interrogator and interrogation system employing the same Current Assignee: Lone Star SCM Systems LP Original Assignee: Medical IP Holdings LP Inventors…

    View full analysis →added 6/15/2026
  • US10495450
    0 cases6/8 sections

    I'll search for authoritative information on US patent 10495450, including any litigation or CAFC activity. Let me refine the searches to specifically target this patent number and any litigation activity. Let me try one more targeted…

    View full analysis →added 9/24/2026
  • US10495454
    0 cases6/8 sections

    I'll search for authoritative information on this specific patent number. Let me look for the actual claim text and any litigation records. Let me try to retrieve claim 1 and claim 18 specifically for US10495454. Search/verification notes…

    View full analysis →added 9/24/2026
  • US10502584
    0 cases6/8 sections

    I'll search for this specific patent number, including checking for any CAFC 2026 activity. Let me check for any litigation or CAFC activity involving this patent or its assignee. Identification — US 10,502,584 B1 | Field | Value (as…

    View full analysis →added 9/24/2026
  • US10502585
    0 cases6/8 sections

    I'll search for authoritative information on this patent number, including any litigation/docket references. US Patent 10,502,585 — Summary Note on scope: I was able to verify bibliographic and claim data against the authoritative Google…

    View full analysis →added 9/24/2026
  • US10505142
    0 cases6/8 sections

    I'll search for authoritative information on this specific patent number, including any litigation activity. Let me run more targeted searches on the patent's identity and any litigation activity. Let me search for the specific claims of…

    View full analysis →added 9/24/2026
  • US10516270
    0 cases6/8 sections

    US Patent 10516270, titled "Method and apparatus for coordination of generators in droop controlled microgrids using hysteresis," was issued to Enphase Energy Inc. on December 24, 2019, from an application filed on January 4, 2017. The…

    View full analysis →added 5/24/2026
  • US10527454
    0 cases6/8 sections

    I'll run targeted searches for this specific patent number, including any 2026 litigation activity. Let me verify there is no litigation or 2026 appellate activity tied to this specific patent number. US Patent 10,527,454 — Summary Caveat…

    View full analysis →added 9/24/2026
  • US10527457
    0 cases6/8 sections

    I'll search for the specific patent number and any associated litigation/docket activity. Let me search for any litigation and the full claim set. Let me get the full independent claim text from the patent's claims. Technical Patent…

    View full analysis →added 9/24/2026
  • US10527461
    0 cases6/8 sections

    I'll run searches for this patent number and check for any litigation activity. US Patent 10,527,461 — Summary Sourcing note: Everything below is drawn from the authoritative full text of US 10,527,461 B2 (Google Patents, fetched…

    View full analysis →added 9/24/2026
  • US10527463
    0 cases6/8 sections

    I'll run targeted searches for this specific patent number. Let me check for any litigation or CAFC docket activity involving this specific patent. Search-results caveat (important) I do not have direct, credentialed access to USPTO…

    View full analysis →added 9/24/2026
  • US10539486
    0 cases6/8 sections

    I'll run targeted searches to confirm the record for US 10,539,486 and check for any 2026 litigation activity. Let me verify litigation status and whether the Rotaprep listing discrepancy is real. Summary — US 10,539,486 B2 Important note…

    View full analysis →added 9/24/2026
  • US10539489
    0 cases6/8 sections

    I'll search for this specific patent number and any related litigation/docket activity. Let me search for the claims and any litigation activity involving this patent. Let me get the exact claim text to provide an accurate plain-language…

    View full analysis →added 9/24/2026