# Amendments to the Rules of Practice for Trials Before the Patent Trial and Appeal Board; Correction
> **US Patent and Trademark Office** · Final rule; correction. · Published 2016-04-27 · Effective 2016-05-02 · 81 FR 24702
## Document
- **Document number:** 2016-09814
- **Category:** other
- **Sub-agency:** US Patent and Trademark Office
- **Federal Register citation:** 81 FR 24702
- **CFR reference:** 37 CFR 42
- **Publication date:** 2016-04-27
- **Effective date:** 2016-05-02
- **Commerce docket:** Docket No. PTO-P-2015-0053
## Abstract

The United States Patent and Trademark Office (Office) published a final rule in the Federal Register on April 1, 2016, revising the rules related to trial practice for inter partes review, post-grant review, the transitional program for covered business method patents, and derivation proceedings that implemented provisions of the Leahy-Smith America Invents Act ("AIA") providing for trials before the Office. This document corrects an error in that final rule.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2016/04/27/2016-09814/amendments-to-the-rules-of-practice-for-trials-before-the-patent-trial-and-appeal-board-correction)
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