World Intellectual Property Organization

Notifications concerning submission or transmittal of priority document (Form PCT/IB/304) and recording of changes (Form PCT/IB/306) now available through PATENTSCOPE® Search Service

PATENTSCOPE® Search Service now includes, for all international PCT applications filed from January 2006, the following forms:

  • PCT/IB/304: Notifications concerning submission or transmittal of priority document that is to say the date on which the priority document has been received and the indication whether the priority document is in compliance with Rule 17.1(a) or (b) of PCT Regulations.
  • PCT/IB/306: Notifications of the recording of changes (person, name, residence, nationality or address of the applicant, as well as person, name, or address of the agent, the common representative or the inventor) as received by the International Bureau before the expiration of 30 months from the priority date.

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