JPO Introduces New Practice to Suspend Examination of Divisional Patent Applications whose Parent Patent Application is Pending at Appeal Trial
- Started from April 1, 2023 -

On April 1, 2023, the Japan Patent Office (JPO) introduced a new practice to suspend, upon the applicant’s request, substantial examination of a divisional patent application whose parent application is pending at an Appeal Trial, until three months after a result of pre-appeal reexamination or trial examination of the parent application is obtained. The new practice applies to divisional applications for which a Request for Examination is filed on or after April 1, 2023.