# Trial petitions fell 65%; reexamination requests doubled.

In fiscal year 2026, inter partes review (IPR) and post-grant review petitions fell to 500 from 1,433, and ex parte reexamination requests rose to 1,009 from 491.

HTML: https://postgrantproceeding.com/

## Pages

- [Insights](https://postgrantproceeding.com/insights.md): Notes on inter partes review, reexamination, and policy, with the figures and the stories behind them.
- [Director Review](https://postgrantproceeding.com/director-review.md): Director Review requests in inter partes review (IPR), other trials, and appeals, by outcome, year, and party. USPTO data dated September 15, 2026.
- [Decisions](https://postgrantproceeding.com/decisions.md): Patent Trial and Appeal Board (PTAB) precedential and informative decisions, plus related Federal Circuit opinions. Each has a summary and a USPTO link.
- [Reexamination orders](https://postgrantproceeding.com/reexam-order-tracker.md): This site's count of USPTO ex parte reexamination orders since October 5, 2025, with and without a pre-order paper. Data as of October 14, 2026.
- [Reexamination trends](https://postgrantproceeding.com/reexam.md): Ex parte reexamination requests, orders, and timing through September 30, 2026, from United States Patent and Trademark Office (USPTO) statistics.
- [IPR trends](https://postgrantproceeding.com/ipr.md): Inter partes review (IPR) and post-grant review petitions, institution, and settlements through September 30, 2026.
- [Policy timeline](https://postgrantproceeding.com/policy.md): USPTO, court, and rulemaking events since 2012 that affect inter partes review (IPR), post-grant review, and reexamination. Each has a date and source.
- [Compare IPR and reexamination](https://postgrantproceeding.com/compare.md): Compare ex parte reexamination, inter partes review (IPR), and post-grant review: grounds, deadlines, estoppel, fees, and USPTO data.
- [Data sources](https://postgrantproceeding.com/data-sources.md): The United States Patent and Trademark Office sources, dates, and methods behind the figures on this site.
- [Glossary](https://postgrantproceeding.com/glossary.md): Short definitions for inter partes review (IPR), post-grant review, reexamination, and related terms.
- [Reexamination since 2006. Patent Trial and Appeal Board since 2012.](https://postgrantproceeding.com/about.md): Reexamination practice since 2006, Patent Trial and Appeal Board practice since 2012. Post-grant counsel Suni Sukduang and James Murphy.