# 37 C.F.R. § 42.303 (2026): Time for filing

> Federal · Regulations · In force

URL: https://www.frixlaw.com/law-library/statutes/CFR_T37_P42_S42_303

## Section

- **Citation:** 37 C.F.R. § 42.303 (2026)
- **Heading:** Time for filing
- **Jurisdiction:** Federal
- **Kind:** Regulations
- **Status:** In force
- **Text as of:** August 14, 2026
- **Source:** Compiled text
- **Location:** Title 37 CFR: Patents, Trademarks, and Copyrights / Chapter I: UNITED STATES PATENT AND TRADEMARK OFFICE, DEPARTMENT OF COMMERCE / Part 42: TRIAL PRACTICE BEFORE THE PATENT TRIAL AND APPEAL BOARD / Subpart D: Transitional Program for Covered Business Method Patents / § 42.303: § 42.303   Time for filing.

## Text

A petition requesting a covered business method patent review may be filed any time except during the period in which a petition for a post-grant review of the patent would satisfy the requirements of 35 U.S.C. 321(c).

## Nearby sections

- [37 C.F.R. § 42.300 (2026) § 42.300   Procedure; pendency.](https://www.frixlaw.com/law-library/statutes/CFR_T37_P42_S42_300.md)
- [37 C.F.R. § 42.301 (2026) § 42.301   Definitions.](https://www.frixlaw.com/law-library/statutes/CFR_T37_P42_S42_301.md)
- [37 C.F.R. § 42.302 (2026) § 42.302   Who may petition for a covered business method patent review.](https://www.frixlaw.com/law-library/statutes/CFR_T37_P42_S42_302.md)
- [37 C.F.R. § 42.303 (2026) § 42.303   Time for filing.](https://www.frixlaw.com/law-library/statutes/CFR_T37_P42_S42_303.md)
- [37 C.F.R. § 42.304 (2026) § 42.304   Content of petition.](https://www.frixlaw.com/law-library/statutes/CFR_T37_P42_S42_304.md)

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Source: Frix Law Library, https://www.frixlaw.com/law-library/statutes/CFR_T37_P42_S42_303. Check the current official text before relying on it. Not legal advice.