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1901 Protest Under 37 CFR 1.291 - 1900 Protest


1901 Protest Under 37 CFR 1.291

37 CFR 1.291 Protests by the public against pending applications.

(a) Protests by a member of the public against pending applications will be referred to the examiner having charge of the subject matter involved. A protest specifically identifying the application to which the protest is directed will be entered in the application file if:

(1) The protest is submitted prior to the date the application was published or the mailing of a notice of allowance under §  1.311, whichever occurs first; and

(2) The protest is either served upon the applicant in accordance with § 1.248, or filed with the Office in duplicate in the event service is not possible.

(b) Protests raising fraud or other inequitable conduct issues will be entered in the application file, generally without comment on those issues. Protests which do not adequately identify a pending patent application will be returned to the protestor and will not be further considered by the Office. A protest submitted in accordance with the second sentence of paragraph (a) of this section will be considered by the Office if the application is still pending when the protest and application file are brought before the examiner and it includes:

(1) A listing of the patents, publications, or other information relied upon;

(2) A concise explanation of the relevance of each listed item;

(3) A copy of each listed patent or publication or other item of information in written form or at least the pertinent portions thereof; and

(4) An English language translation of all the necessary and pertinent parts of any non-English language patent, publication, or other item of information in written form relied upon.

(c) A member of the public filing a protest in an application under paragraph (a) of this section will not receive any communications from the Office relating to the protest, other than the return of a self-addressed postcard which the member of the public may include with the protest in order to receive an acknowledgment by the Office that the protest has been received. In the absence of a request by the Office, an applicant has no duty to, and need not, reply to a protest. The limited involvement of the member of the public filing a protest pursuant to paragraph (a) of this section ends with the filing of the protest, and no further submission on behalf of the protestor will be considered, except for additional prior art, or unless such submission raises new issues which could not have been earlier presented.


37 CFR 1.248 Service of papers; manner of service; proof of service; proof of service in cases other than interferences.

(a) Service of papers must be on the attorney or agent of the party if there be such or on the party if there is no attorney or agent, and may be made in any of the following ways:

(1) By delivering a copy of the paper to the person served;

(2) By leaving a copy at the usual place of business of the person served with someone in his employment;

(3) When the person served has no usual place of business, by leaving a copy at the person's residence, with some person of suitable age and discretion who resides there;

(4) Transmission by first class mail. When service is by mail the date of mailing will be regarded as the date of service;

(5) Whenever it shall be satisfactorily shown to the Commissioner that none of the above modes of obtaining or serving the paper is practicable, service may be by notice published in the Official Gazette.

(b) Papers filed in the Patent and Trademark Office which are required to be served shall contain proof of service. Proof of service may appear on or be affixed to papers filed. Proof of service shall include the date and manner of service. In the case of personal service, proof of service shall also include the name of any person served, certified by the person who made service. Proof of service may be made by:

(1) An acknowledgement of service by or on behalf of the person served or

(2) A statement signed by the attorney or agent containing the information required by this section.

(c) See § 1.646 for service of papers in interferences.


The degree of participation allowed a protestor is solely within the discretion of the Commissioner of Patents and Trademarks.

37 CFR 1.291(a) gives recognition to the value of written protests in bringing information to the attention of the Office and in avoiding the issuance of invalid patents. All protests must be submitted prior to the publication of the application or the mailing of a notice of allowance, whichever occurs first, because no protest or other form of preissuance opposition to the grant of a patent may be initiated after publication of the application without the applicant's express written consent as specified by 35 U.S.C. 122(c). 37 CFR 1.291(a) provides that public protests against pending applications will be referred to the examiner having charge of the subject matter involved and will be entered in the application file if the protest is submitted prior to the date the application was published or the mailing of a notice of allowance under 37 CFR 1.311, whichever occurs first, and the protest is either served upon the applicant or filed in duplicate in the event service is not possible. Paragraph (b) of 37 CFR 1.291 assures members of the public that a protest will be fully considered by the Office if the protest is submitted in accordance with 37 CFR 1.291(a), the application is still pending when the protest and application file are brought before the examiner, and the protest includes:

(A) a listing of the patents, publications, or other information relied on;

(B) a concise explanation of the relevance of each listed item;

(C) a copy of each listed patent, publication, or other item of information in written form, or at least the pertinent portions thereof; and

(D) an English language translation of all necessary and pertinent parts of any non-English language document relied on.

A party obtaining knowledge of an application pending in the Office may file a protest against the application and may therein call attention to any facts within protestor's knowledge which, in protestor's opinion, would make the grant of a patent thereon improper.

A protestor does not, however, by the mere filing of a protest, obtain the "right" to argue the protest before the Office. Active participation by a protestor "ends with the filing of the protest, and no further submission on behalf of the protestor will be considered, except for additional prior art, or unless such submission raises new issues which could not have been earlier presented." 37 CFR 1.291(c). The USPTO will acknowledge the receipt of a protest in an original or a reissue application file only if a self-addressed postcard is included with the protest (see MPEP § 1901.05). The question of whether or not a patent will issue is a matter between the applicant and the Office acting on behalf of the public.

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