37 CFR § 41.110 - Filing claim information.

---
identifier: "/us/cfr/t37/s41.110"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "37 CFR § 41.110 - Filing claim information."
title_number: 37
title_name: "Patents, Trademarks, and Copyrights"
section_number: "41.110"
section_name: "Filing claim information."
chapter_name: "UNITED STATES PATENT AND TRADEMARK OFFICE, DEPARTMENT OF COMMERCE"
subchapter_number: "A"
subchapter_name: "GENERAL"
part_number: "41"
part_name: "PRACTICE BEFORE THE PATENT TRIAL AND APPEAL BOARD"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "35 U.S.C. 2(b)(2), 3(a)(2)(A), 21, 23, 32, 41, 134, 135, and Public Law 112-29."
regulatory_source: "69 FR 50003, Aug. 12, 2004, unless otherwise noted."
cfr_part: "41"
---


# 41.110 Filing claim information.

(a) *Clean copy of claims.* Within 14 days of the initiation of the proceeding, each party must file a clean copy of its involved claims and, if a biotechnology material sequence is a limitation, a clean copy of the sequence.

(b) *Annotated copy of claims.* Within 28 days of the initiation of the proceeding, each party must:

(1) For each involved claim having a limitation that is illustrated in a drawing or biotechnology material sequence, file an annotated copy of the claim indicating in bold face between braces ({ }) where each limitation is shown in the drawing or sequence.

(2) For each involved claim that contains a means-plus-function or step-plus-function limitation in the form permitted under 35 U.S.C. 112(f), file an annotated copy of the claim indicating in bold face between braces ({ }) the specific portions of the specification that describe the structure, material, or acts corresponding to each claimed function.

(c) Any motion to add or amend a claim must include:

(1) A clean copy of the claim,

(2) A claim chart showing where the disclosure of the patent or application provides written description of the subject matter of the claim, and

(3) Where applicable, a copy of the claims annotated according to paragraph (b) of this section.

[69 FR 50003, Aug. 12, 2004, as amended at 77 FR 46631, Aug. 6, 2012]