When should subsequent applications for interim extension be filed?

For subsequent applications for interim extension, the filing window is different from the first application. According to MPEP 2754.02: “Each subsequent application for interim extension must be filed during the period beginning sixty days before and ending thirty days before the expiration of the preceding interim extension.” This means that for any interim extension after…

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What is the filing window for a first application for interim extension under 35 U.S.C. 156(d)(5)?

The filing window for a first application for interim extension under 35 U.S.C. 156(d)(5) is specified in the MPEP. According to MPEP 2754.02: “A first application for interim extension under 35 U.S.C. 156(d)(5) (to extend the patent term before product approval) must be filed within the period beginning six months and ending fifteen days before…

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