214.01   Time for Filing Priority Claim [R-11.2013]

37 C.F.R. 1.55  Claim for foreign priority.

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  • (c) Time for filing priority claim and certified copy of foreign application in an application entering the national stage under 35 U.S.C. 371. In an international application entering the national stage under 35 U.S.C. 371, the claim for priority must be made and 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.
  • (d) Time for filing priority claim in an application filed under 35 U.S.C. 111(a). In an original application filed under 35 U.S.C. 111(a), the claim for priority 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. The claim for priority must be presented in an application data sheet (§ 1.76(b)(6) ), and must identify the foreign application for which priority is claimed, by specifying the application number, country (or intellectual property authority), day, month, and year of its filing. The time period in this paragraph does not apply in a design application.

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Pre-March 16, 2013 37 C.F.R. 1.55  Claim for foreign priority

  • (a) An applicant in a nonprovisional application may claim the benefit of the filing date of one or more prior foreign applications under the conditions specified in 35 U.S.C. 119(a) through (d) and (f), 172, and 365(a) and (b).
    • (1)
      • (i) In an original application filed under 35 U.S.C. 111(a), the claim for foreign priority must be presented in an application data sheet (§ 1.76(b)(6)) during the pendency of the application, and 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.

        This time period is not extendable. The claim must identify the foreign application for which priority is claimed, as well as any foreign application for the same subject matter and having a filing date before that of the application for which priority is claimed, by specifying the application number, country (or intellectual property authority), day, month, and year of its filing. The time periods in this paragraph do not apply in an application under 35 U.S.C. 111(a) if the application is:

        • (A) A design application; or
        • (B) An application filed before November 29, 2000.
      • (ii) In an application that entered the national stage from an international application after compliance with 35 U.S.C. 371, the claim for priority must be made during the pendency of the application and within the time limit set forth in the PCT and the Regulations under the PCT.

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See 37 CFR 1.55(c), pre-March 16, 2013 37 CFR 1.55(a)(1)(ii), and MPEP § 213.06 for the time period for claiming priority in an application entering the national stage. For design applications, a claim for foreign priority may be made up until the time when the patent is granted.

37 CFR 1.55(d) and pre-March 16, 2013 37 CFR 1.55(a)(1) pertain to the time for filing a priority claim in an application filed under 35 U.S.C. 111(a).

For original applications filed under 35 U.S.C. 111(a) (other than a design application), the requirements of the statute are that the applicant must (a) file a claim for the right of priority and (b) identify the original foreign application by specifying the application number of the foreign application, the intellectual property authority or country in which the application was filed and the date of filing of the application. These papers must be filed within a certain time limit. The time limit specified in 35 U.S.C. 119(b)(1) is that the claim for priority and the required identification information must be filed at such time during the pendency of the application as set by the Director. The Director has by rule set this time limit as 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. See 37 CFR 1.55(d) and pre-March 16, 2013 37 CFR 1.55(a)(1)(i). This time period is not extendable. In an application that entered the national stage from an international application after compliance with 35 U.S.C. 371, the claim for priority must be made during the pendency of the application and within the time limit set forth in the PCT and the Regulations under the PCT. See 37 CFR 1.55(c) and pre-March 16, 2103 37 CFR 1.55(a)(1)(ii). Claims for foreign priority not presented within the time period specified in 37 CFR 1.55are considered to have been waived. If a claim for priority under 35 U.S.C.119(a) - (d) or (f), or 365(a) is presented after the time period set in 37 CFR 1.55, the claim may be accepted if it includes the required identification information and is accompanied by a grantable petition to accept the unintentionally delayed claim for priority.

For applications filed on or after September 16, 2012, 37 CFR 1.55(d) and pre-March 16, 2013 37 CFR 1.55(a)(1) also require the claim for priority to be presented in an application data sheet. For applications filed prior to September 16, 2012, unless provided in an application data sheet, pre-AIA 37 CFR 1.63 requires that the oath or declaration must identify the foreign application for patent or inventor’s certificate for which priority is claimed under 37 CFR 1.55, and any foreign applications having a filing date before that of the application on which priority is claimed, by specifying the application number, country, day, month, and year of its filing.