Patent Bear insideClaude,ChatGPT and Codex,and Gemini.

Search, Research, Draft, and Library, as tool calls in your agent. Listed in the Claude connector directory. Connect now

Search

Free

Patent search
US and EP grants, publications, and applications, full text.
Advanced search
Assignee, inventor, classification, dates, citations.
Cases
District court and Federal Circuit decisions, readable page by page.
PTAB
Board decisions in IPR, PGR and CBM trials by outcome, denial basis, panel and petitioner.
Reader
Claims, specification, figures, and highlights on the issued PDF, cited col:line.
Sequence and chemistry
DNA, RNA, and protein by homology. Chemistry by substructure or similarity.
File histories
Any application with its prosecution history, free. Download documents one at a time or merged.

Research

Analyses

All of Research

Draft

From the record

All drafts, including what is in build

Library

Yours, private

Open the Library

Update · May 18–22, 2026

File wrappers export to one PDF, and AI usage gets credits.

Note from the developers

Pull a whole file wrapper as a single merged PDF, top up AI usage with credits when you need more, and a round of billing-portal fixes for teams.

New
Application PDF export
Export a merged file-wrapper PDF from the applications page.
Learn more →
New
AI credit top-ups
Buy AI credit top-ups; AI usage limits now enforced.
Learn more →
New
Litigation report pages
Added litigation workflow report pages.
Improved
Advanced search & history
Reordered patent filters and improved search history UX.
Learn more →
Fixed
Billing portal
Fixed Team Pro and library billing-portal actions; checkout restricted to card.
Learn more →

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