---
type: "LegalText"
title: "35 U.S.C. § 31"
description: "Repealed. Pub. L. 106–113, div. B, § 1000(a)(9) [title IV, § 4715(b)], Nov. 29, 1999, 113 Stat. 1536, 1501A–580]"
jurisdiction: "us"
corpus: "united_states_code"
kind: "code_section"
title_number: 35
title_name: "PATENTS"
chapter_number: "3"
chapter_name: "PRACTICE BEFORE PATENT AND TRADEMARK OFFICE"
section: "31"
citation: "35 U.S.C. § 31"
status: "current"
release_point: "119-100"
release_date: "2026-06-26"
source: "official"
source_url: "https://uscode.house.gov/download/releasepoints/us/pl/119/100/xml_usc35@119-100.zip"
source_identifier: "/us/usc/t35/s31"
source_file: "data/legal/raw/us/code/title-35/usc35.xml"
source_hash: "c1bc27196d0847d2ee7e1e175bbf69bd92319baeafe1db1c9d5d530bf4303062"
raw_snapshot_hash: "736cab508592dcf50013a1aed5ab108f72fd8493e76afc46848cdc35da38bbe3"
text_hash: "9e28bb4bccb8a6e953af39c40ec55881a0afd3a8b48881661256c137129a568e"
retrieved_at: "2026-07-04"
confidence: "official"
tags: ["legal", "us-code"]
---

# 35 U.S.C. § 31 - Repealed. Pub. L. 106–113, div. B, § 1000(a)(9) [title IV, § 4715(b)], Nov. 29, 1999, 113 Stat. 1536, 1501A–580]

## Notes

Section, acts July 19, 1952, ch. 950, 66 Stat. 795; Pub. L. 93–596, § 1, Jan. 2, 1975, 88 Stat. 1949, authorized the Commissioner to prescribe regulations for agents and attorneys.

Statutory Notes and Related Subsidiaries

Effective Date of RepealRepeal effective 4 months after Nov. 29, 1999, see section 1000(a)(9) [title IV, § 4731] of Pub. L. 106–113, set out as an Effective Date of 1999 Amendment note under section 1 of this title.