---
kind: "section"
citation: "37 C.F.R. § 1.730"
title: "37"
number: "1.730"
heading: "Applicant for extension of patent term; signature requirements."
url: "https://uscodex.org/cfr/37/1.730"
---

# §1.730. Applicant for extension of patent term; signature requirements.

- (a) Any application for extension of a patent term must be submitted by the owner of record of the patent or its agent and must comply with the requirements of [§ 1.740](/cfr/37/1.740.md).
- (b) If the application is submitted by the patent owner, the application must be signed either by:
  - (1) The patent owner in compliance with [§ 3.73(c)](/cfr/37/3.73.md?p=c) of this chapter; or
  - (2) **A registered practitioner on behalf of the patent owner.**
- (c) If the application is submitted on behalf of the patent owner by an agent of the patent owner (e.g., a licensee of the patent owner), the application must be signed by a registered practitioner on behalf of the agent. The Office may require proof that the agent is authorized to act on behalf of the patent owner.
- (d) If the application is signed by a registered practitioner, the Office may require proof that the practitioner is authorized to act on behalf of the patent owner or agent of the patent owner.

## Notes

### Amendments

[65 FR 54679, Sept. 8, 2000, as amended at 77 FR 48825, Aug. 14, 2012]

### Authority

Authority: 35 U.S.C. 2(b)(2), 154, and 156.

### Source

Source: 52 FR 9394, Mar. 24, 1987, unless otherwise noted.

### Authority

Authority: 35 U.S.C. 2(b)(2), unless otherwise noted.

### Source

Source: 24 FR 10332, Dec. 22, 1959, unless otherwise noted.

### Amendments

[65 FR 54679, Sept. 8, 2000, as amended at 77 FR 48825, Aug. 14, 2012]