Examiner profiles, pendency distributions, outcome statistics, and technology breakdowns — built on structured USPTO data that no one else has organized for this purpose.
11,000+
Reexam Cases
410,000+
Prosecution Events
118
CRU Examiners Profiled
9,100+
Parent Patents Linked
Grant rates, rejection patterns, amendment acceptance rates, average pendency, and appeal reversal rates for every Central Reexamination Unit examiner.
Not just aggregate outcomes — filter by CPC classification to see how EPRs perform in your specific technology area.
Time-to-SNQ, time-to-first-OA, and total pendency distributions with interactive filtering by examiner, tech area, and requester type.
Patent owner vs. third-party filing patterns, outcomes, and strategic trends — with full historical data.
Full prosecution timelines, key dates, document links, examiner assignment history, and parent patent data for every reexam since 2001.
Track the historic EPR surge in real-time. Interactive charts by year, technology area, and requester type.
EPR filings surged 66% in 2025 to near all-time highs. Get the data advantage before your competitors do.
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