What is the purpose of notifying the International Bureau about a Demand for International Preliminary Examination?

The purpose of notifying the International Bureau about a Demand for International Preliminary Examination is to ensure proper communication and coordination in the international patent application process. According to MPEP 1869, the International Preliminary Examining Authority is responsible for this notification:

“The International Preliminary Examining Authority, pursuant to PCT Rule 61, promptly notifies the International Bureau and the applicant of the filing of any Demand.”

This notification serves multiple purposes:

• It informs the International Bureau of the applicant’s intent to proceed with international preliminary examination.
• It triggers the International Bureau to notify elected Offices of their election.
• It ensures the applicant is informed that the notification process has been completed.

To learn more:

• International Preliminary Examination
• PCT Demand
• International Bureau
• Patent Cooperation Treaty