# Amendments to the Rules of Practice for Trials Before the Patent Trial and Appeal Board
> **US Patent and Trademark Office** · Final rule. · Published 2016-04-01 · Effective 2016-05-02 · 81 FR 18750
## Document
- **Document number:** 2016-07381
- **Category:** other
- **Sub-agency:** US Patent and Trademark Office
- **Federal Register citation:** 81 FR 18750
- **CFR reference:** 37 CFR 42
- **Publication date:** 2016-04-01
- **Effective date:** 2016-05-02
- **Commerce docket:** Docket No. PTO-P-2015-0053
## Abstract

This final rule amends the existing consolidated set of rules relating to the United States Patent and Trademark Office (Office or USPTO) trial practice for inter partes review ("IPR"), post-grant review ("PGR"), the transitional program for covered business method patents ("CBM"), and derivation proceedings that implemented provisions of the Leahy-Smith America Invents Act ("AIA") providing for trials before the Office.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2016/04/01/2016-07381/amendments-to-the-rules-of-practice-for-trials-before-the-patent-trial-and-appeal-board)
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