# 37 CFR § 104.21: Scope and purpose

> Federal · Regulations · In force

URL: https://www.frixlaw.com/law-library/statutes/ecfr-37-104.21

## Section

- **Citation:** 37 CFR § 104.21
- **Heading:** Scope and purpose
- **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 B—ADMINISTRATION > PART 104—LEGAL PROCESSES > Subpart C—Employee Testimony and Production of Documents in Legal Proceedings

## Text

(a) This subpart sets forth the policies and procedures of the Office regarding the testimony of employees as witnesses in legal proceedings and the production or disclosure of information contained in Office documents for use in legal proceedings pursuant to a demand.
(b) Exceptions. This subpart does not apply to any legal proceeding in which:
(1) An employee is to testify regarding facts or events that are unrelated to official business; or
(2) A former employee is to testify as an expert in connection with a particular matter in which the former employee did not participate personally while at the Office.

## Nearby sections

- [37 CFR § 104.1 § 104.1 Definitions.](https://www.frixlaw.com/law-library/statutes/ecfr-37-104.1.md)
- [37 CFR § 104.2 § 104.2 Address for mail and service; telephone number.](https://www.frixlaw.com/law-library/statutes/ecfr-37-104.2.md)
- [37 CFR § 104.3 § 104.3 Waiver of rules.](https://www.frixlaw.com/law-library/statutes/ecfr-37-104.3.md)
- [37 CFR § 104.4 § 104.4 Relationship of this Part to the Federal Rules of Civil or Criminal Procedure.](https://www.frixlaw.com/law-library/statutes/ecfr-37-104.4.md)
- [37 CFR § 104.11 § 104.11 Scope and purpose.](https://www.frixlaw.com/law-library/statutes/ecfr-37-104.11.md)
- [37 CFR § 104.12 § 104.12 Acceptance of service of process.](https://www.frixlaw.com/law-library/statutes/ecfr-37-104.12.md)
- [37 CFR § 104.21 § 104.21 Scope and purpose.](https://www.frixlaw.com/law-library/statutes/ecfr-37-104.21.md)
- [37 CFR § 104.22 § 104.22 Demand for testimony or production of documents.](https://www.frixlaw.com/law-library/statutes/ecfr-37-104.22.md)
- [37 CFR § 104.23 § 104.23 Expert or opinion testimony.](https://www.frixlaw.com/law-library/statutes/ecfr-37-104.23.md)
- [37 CFR § 104.24 § 104.24 Demands or requests in legal proceedings for records protected by confidentiality statutes.](https://www.frixlaw.com/law-library/statutes/ecfr-37-104.24.md)
- [37 CFR § 104.31 § 104.31 Scope.](https://www.frixlaw.com/law-library/statutes/ecfr-37-104.31.md)
- [37 CFR § 104.32 § 104.32 Procedure for requesting indemnification.](https://www.frixlaw.com/law-library/statutes/ecfr-37-104.32.md)
- [37 CFR § 104.41 § 104.41 Procedure for filing claims.](https://www.frixlaw.com/law-library/statutes/ecfr-37-104.41.md)
- [37 CFR § 104.42 § 104.42 Finality of settlement or denial of claims.](https://www.frixlaw.com/law-library/statutes/ecfr-37-104.42.md)

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Source: Frix Law Library, https://www.frixlaw.com/law-library/statutes/ecfr-37-104.21. Check the current official text before relying on it. Not legal advice.