# 37 CFR § 42.5: Conduct of the proceeding

> Federal · Regulations · In force

URL: https://www.frixlaw.com/law-library/statutes/ecfr-37-42.5

## Section

- **Citation:** 37 CFR § 42.5
- **Heading:** Conduct of the proceeding
- **Jurisdiction:** Federal
- **Kind:** Regulations
- **Status:** In force
- **Text as of:** September 22, 2026
- **Source:** Publisher's official text
- **Location:** Title 37—Patents, Trademarks, and Copyrights > CHAPTER I—UNITED STATES PATENT AND TRADEMARK OFFICE, DEPARTMENT OF COMMERCE > SUBCHAPTER A—GENERAL > PART 42—TRIAL PRACTICE BEFORE THE PATENT TRIAL AND APPEAL BOARD > Subpart A—Trial Practice and Procedure > General

## Text

(a) The Board may determine a proper course of conduct in a proceeding for any situation not specifically covered by this part and may enter non-final orders to administer the proceeding.
(b) The Board may waive or suspend a requirement of parts 1, 41, and 42 and may place conditions on the waiver or suspension.
(c) Times. (1) Setting times. The Board may set times by order. Times set by rule are default and may be modified by order. Any modification of times will take any applicable statutory pendency goal into account.
(2) Extension of time. A request for an extension of time must be supported by a showing of good cause.
(3) Late action. A late action will be excused on a showing of good cause or upon a Board decision that consideration on the merits would be in the interests of justice.
(d) Ex parte communications. Communication regarding a specific proceeding with a Board member defined in 35 U.S.C. 6(a) is not permitted unless both parties have an opportunity to be involved in the communication.

## Nearby sections

- [37 CFR § 42.1 § 42.1 Policy.](https://www.frixlaw.com/law-library/statutes/ecfr-37-42.1.md)
- [37 CFR § 42.2 § 42.2 Definitions.](https://www.frixlaw.com/law-library/statutes/ecfr-37-42.2.md)
- [37 CFR § 42.3 § 42.3 Jurisdiction.](https://www.frixlaw.com/law-library/statutes/ecfr-37-42.3.md)
- [37 CFR § 42.4 § 42.4 Notice of trial.](https://www.frixlaw.com/law-library/statutes/ecfr-37-42.4.md)
- [37 CFR § 42.5 § 42.5 Conduct of the proceeding.](https://www.frixlaw.com/law-library/statutes/ecfr-37-42.5.md)
- [37 CFR § 42.6 § 42.6 Filing of documents, including exhibits; service.](https://www.frixlaw.com/law-library/statutes/ecfr-37-42.6.md)
- [37 CFR § 42.7 § 42.7 Management of the record.](https://www.frixlaw.com/law-library/statutes/ecfr-37-42.7.md)
- [37 CFR § 42.8 § 42.8 Mandatory notices.](https://www.frixlaw.com/law-library/statutes/ecfr-37-42.8.md)
- [37 CFR § 42.9 § 42.9 Action by patent owner.](https://www.frixlaw.com/law-library/statutes/ecfr-37-42.9.md)
- [37 CFR § 42.10 § 42.10 Counsel.](https://www.frixlaw.com/law-library/statutes/ecfr-37-42.10.md)
- [37 CFR § 42.11 § 42.11 Duty of candor; signing papers; representations to the Board; sanctions.](https://www.frixlaw.com/law-library/statutes/ecfr-37-42.11.md)
- [37 CFR § 42.12 § 42.12 Sanctions.](https://www.frixlaw.com/law-library/statutes/ecfr-37-42.12.md)
- [37 CFR § 42.13 § 42.13 Citation of authority.](https://www.frixlaw.com/law-library/statutes/ecfr-37-42.13.md)
- [37 CFR § 42.14 § 42.14 Public availability.](https://www.frixlaw.com/law-library/statutes/ecfr-37-42.14.md)

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Source: Frix Law Library, https://www.frixlaw.com/law-library/statutes/ecfr-37-42.5. Check the current official text before relying on it. Not legal advice.