A provisional application for patent (provisional application) has a pendency lasting 12 months from the date the provisional application is filed. The 12-month pendency period cannot be extended. Therefore, an applicant who files a provisional application must file a corresponding non-provisional application for patent (non-provisional application) during the 12-month pendency period of the provisional application in order to benefit from the earlier filing of the provisional application. In accordance with 35 U.S.C. §119(e), the corresponding non-provisional application must contain or be amended to contain a specific reference to the provisional application.
Once a provisional application is filed, an alternative to filing a corresponding non-provisional application is to convert the provisional application to a non-provisional application by filing a grantable petition under 37 CFR §1.53(c)(3) requesting such a conversion within 12 months of the provisional application filing date.
However, converting a provisional application to a non-provisional application (versus filing a non-provisional application claiming the benefit of the provisional application) will have a negative impact on patent term. The term of a patent issuing from a non-provisional application resulting from the conversion of a provisional application will be measured from the original filing date of the provisional application.
Provisional Application for Patent Information | Conditions | Features | Scope
For more information, see our Provisonal Patent FAQ. |