Can the International Preliminary Examining Authority require a sequence listing after filing?

Yes, the International Preliminary Examining Authority (IPEA) has the power to require a sequence listing after the initial filing of a PCT application. MPEP 1877 states:

“the International Preliminary Examining Authority may invite the applicant to furnish such a sequence listing complying with the standard provided for in the Administrative Instructions and pay a late furnishing fee.”

This provision allows the IPEA to request a compliant sequence listing if they determine it’s necessary for the examination process, even if it wasn’t included in the original application. The applicant may also be required to pay a late furnishing fee for this submission.

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Tags: international preliminary examination, ipea, late submission, PCT, sequence listing