Q&A: Reinstating Priority Right In A PCT Application Japanese National Phase

When Might the Japan Patent Office Reject a Recovered Priority Claim in a PCT Application?

A client recently asked about reinstating (restoring priority right in a patent application, so we summarized some points below.

When an applicant wants to file a priority claim based on a prior application when filing an international PCT (Patent Cooperation Treaty) application, sometimes the priority period of one year may have passed before the PCT application is filed. The questions surround whether it might be possible to reinstate the patent priority claim in such a case, and if so what the specific requirements are.

Do the PCT Rules Allow for Reinstatement of a Priority Claim after the Priority Claim Deadline?