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216    Entitlement to Priority

MPEP SECTION SUMMARY

This section covers an applicant's entitlement to priority and using a certificate of correction to perfect a claim for priority.

The subject matter of the application is not examined to determine whether the applicant is actually entitled to the benefit of the foreign filing date on the basis of the disclosure thereof.

  • The only times during ex parte prosecution that the examiner considers the merits of an applicant’s claim of priority is when a reference is found with an effective date between the date of the foreign filing and the date of filing in the United States and when an interference situation is under consideration.

In those cases where the applicant files the certified copy of the foreign application for the purpose of overcoming the effective date of a reference, a translation is required if the certified copy is not in the English language.

The foreign application may have been filed by and in the name of the assignee or legal representative or agent of the inventor, as applicant.

The most important aspect of the examiner’s action pertaining to a right of priority is the determination of the identity of invention between the U.S. and the foreign applications.

  • The foreign application may be considered in the same manner as if it had been filed in this country on the same date that it was filed in the foreign country, and the applicant is ordinarily entitled to any claims based on such foreign application that he or she would be entitled to under U.S. laws and practice.

216.01   Perfecting Claim for Priority Under 35 U.S.C. 119(a)-(d) or (f) After Issuance of a Patent

MPEP SECTION SUMMARY

The failure to perfect a claim to foreign priority benefit prior to issuance of the patent may be cured by filing a reissue application. However, under certain conditions, this failure may also be cured by filing a certificate of correction request.


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(b)

(1) No application for patent shall be entitled to this right of priority unless a claim is filed in the Patent and Trademark Office, identifying the foreign application by specifying the application number on that foreign application, the intellectual property authority or country in or for which the application was filed, and the date of filing the application, at such time during the pendency of the application as required by the Director.
(2) The Director may consider the failure of the applicant to file a timely claim for priority as a waiver of any such claim. The Director may establish procedures, including the requirement for payment of the fee specified in section 41(a)(7), to accept an unintentionally delayed claim under this section.
(3) The Director may require a certified copy of the original foreign application, specification, and drawings upon which it is based, a translation if not in the English language, and such other information as the Director considers necessary. Any such certification shall be made by the foreign intellectual property authority in which the foreign application was filed and show the date of the application and of the filing of the specification and other papers.

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(e) Delayed priority claim. Unless such claim is accepted in accordance with the provisions of this paragraph, any claim for priority under 35 U.S.C. 119(a) through (d) or (f), 365(a) or (b), or 386(a) or (b) not presented in the manner required by paragraph (d) or (m) of this section during pendency and within the time period provided by paragraph (d) of this section (if applicable) is considered to have been waived. If a claim for priority is considered to have been waived under this section, the claim may be accepted if the priority claim was unintentionally delayed. A petition to accept a delayed claim for priority under 35 U.S.C. 119(a) through (d) or (f), 365(a) or (b), or 386(a) or (b) must be accompanied by:

(1) The priority claim under 35 U.S.C. 119(a) through (d) or (f), 365(a) or (b), or 386(a) or (b) in an application data sheet (§ 1.76(b)(6)), identifying the foreign application to which priority is claimed, by specifying the application number, country (or intellectual property authority), day, month, and year of its filing, unless previously submitted;
(2) A certified copy of the foreign application, unless previously submitted or an exception in paragraph (h), (i), or (j) of this section applies;
(3) The petition fee as set forth in § 1.17(m); and
(4) A statement that the entire delay between the date the priority claim was due under this section and the date the priority claim was filed was unintentional. The Director may require additional information where there is a question whether the delay was unintentional.

(f) Time for filing certified copy of foreign application—

(1) Application under 35 U.S.C. 111(a). A certified copy of the foreign application must be filed within the later of four months from the actual filing date of the application, or sixteen months from the filing date of the prior foreign application, in an original application under 35 U.S.C. 111(a) filed on or after March 16, 2013, except as provided in paragraphs (h), (i), and (j) of this section. The time period in this paragraph does not apply in a design application.
(2) Application under 35 U.S.C. 371. A certified copy of the foreign application must be filed within the time limit set forth in the PCT and the Regulations under the PCT in an international application entering the national stage under 35 U.S.C. 371. If a certified copy of the foreign application is not filed during the international stage in an international application in which the national stage commenced on or after December 18, 2013, a certified copy of the foreign application must be filed within the later of four months from the date on which the national stage commenced under 35 U.S.C. 371(b) or (f) (§ 1.491(a)), four months from the date of the initial submission under 35 U.S.C. 371 to enter the national stage, or sixteen months from the filing date of the prior foreign application, except as provided in paragraphs (h), (i), and (j) of this section.
(3) If a certified copy of the foreign application is not filed within the time period specified [in] paragraph (f)(1) of this section in an application under 35 U.S.C. 111(a) or within the period specified in paragraph (f)(2) of this section in an international application entering the national stage under 35 U.S.C. 371, and an exception in paragraph (h), (i), or (j) of this section is not applicable, the certified copy of the foreign application must be accompanied by a petition including a showing of good and sufficient cause for the delay and the petition fee set forth in § 1.17(g).

(g) Requirement for filing priority claim, certified copy of foreign application, and translation in any application.

(1) The claim for priority and the certified copy of the foreign application specified in 35 U.S.C. 119(b) or PCT Rule 17 must, in any event, be filed within the pendency of the application, unless filed with a petition under paragraph (e) or (f) of this section, or with a petition accompanied by the fee set forth in § 1.17(g) which includes a showing of good and sufficient cause for the delay in filing the certified copy of the foreign application in a design application. If the claim for priority or the certified copy of the foreign application is filed after the date the issue fee is paid, the patent will not include the priority claim unless corrected by a certificate of correction under 35 U.S.C. 255 and § 1.323.

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Inter alia, a claim to foreign priority benefits cannot be perfected via a certificate of correction where the correction sought would require further examination (e.g., where the foreign application has a pre-March 16, 2013 filing date in a patent that was examined under the first inventor to file (FITF) provisions of the AIA).


I. PERFECTING PRIORITY CLAIM VIA CERTIFICATE OF CORRECTION

Effective May 13, 2015, 37 CFR 1.55(g) provides that the claim for priority and the certified copy of the foreign application must be filed within the pendency of the application, unless filed with a petition under 37 CFR 1.55(e), (f), or (g) as appropriate.

  • 37 CFR 1.55(g) eliminates the need in many instances to file a reissue application in order to perfect a claim for foreign priority.


II. PERFECTING PRIORITY CLAIM VIA REISSUE

As an alternative to requesting a certificate of correction, a claim to foreign priority benefits can be perfected by way of a reissue application.

  • In circumstances where a claim to foreign priority benefits cannot be perfected via a certificate of correction because the requirements of 35 U.S.C. 119(a)-(d) or (f) had not been satisfied in the patented application, or its parent, prior to issuance, and the requirements of 37 CFR 1.55 are not met, the claim to foreign priority benefits can be perfected only by way of a reissue application.

 

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