37 CFR 1.91 - Models or exhibits not generally admitted as part of application or patent.

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§ 1.91 Models or exhibits not generally admitted as part of application or patent.

(a) A model or exhibit will not be admitted as part of the record of an application unless it:

(1) Substantially conforms to the requirements of § 1.52 or § 1.84;

(2) Is specifically required by the Office; or

(3) Is filed with a petition under this section including:

(i) The fee set forth in § 1.17(h); and

(ii) An explanation of why entry of the model or exhibit in the file record is necessary to demonstrate patentability.

(b) Notwithstanding the provisions of paragraph (a) of this section, a model, working model, or other physical exhibit may be required by the Office if deemed necessary for any purpose in examination of the application.

(c) Unless the model or exhibit substantially conforms to the requirements of § 1.52 or § 1.84 under paragraph (a)(1) of this section, it must be accompanied by photographs that show multiple views of the material features of the model or exhibit and that substantially conform to the requirements of § 1.84.

[ 62 FR 53190, Oct. 10, 1997, as amended at 65 FR 54670, Sept. 8, 2000; 69 FR 56541, Sept. 21, 2004]

This is a list of United States Code sections, Statutes at Large, Public Laws, and Presidential Documents, which provide rulemaking authority for this CFR Part.

This list is taken from the Parallel Table of Authorities and Rules provided by GPO [Government Printing Office].

It is not guaranteed to be accurate or up-to-date, though we do refresh the database weekly. More limitations on accuracy are described at the GPO site.


United States Code
U.S. Code: Title 35 - PATENTS

Title 37 published on 2015-12-02

The following are ALL rules, proposed rules, and notices (chronologically) published in the Federal Register relating to 37 CFR Part 1 after this date.

  • 2016-10-28; vol. 81 # 209 - Friday, October 28, 2016
    1. 81 FR 74987 - Revision of the Duty To Disclose Information in Patent Applications and Reexamination Proceedings
      GPO FDSys XML | Text
      DEPARTMENT OF COMMERCE, Patent and Trademark Office
      Notice of proposed rulemaking.
      Comment Deadline Date: The Office is soliciting comments from the public on this proposed rule change. Written comments must be received on or before December 27, 2016 to ensure consideration. No public hearing will be held.
      37 CFR Part 1
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