MPEP Q & A 305: What must the supplemental search fee be accompanied by in addition to the payment?



What must the supplemental search fee be accompanied by in addition to the payment?


As shown in chapter 1800 …

The supplemental search fee must be paid and be accompanied by:

  • a protest and
  • a request for refund of the supplemental search fee.

Chapter Details:

The answer to this question can be found in chapter 1800 of the MPEP. This chapter covers Patent Cooperation Treaty.

The answer is from the 9th Edition, Revision 07.2022, Published February 2023. Depending on future changes to the MPEP, the question and answer may or may not be applicable in later Editions or revisions.

Section Summary:

This question and answer comes from section 1827.01 of the MPEP.  The following is a brief summary of section 1827.01.

1827.01 Refund of International Application Fees

The search fee will be refunded if no international filing date is accorded or if the application is withdrawn before the search copy is transmitted to the International Searching Authority. The transmittal fee will not be refunded.

The handling fee will be refunded if the Demand is withdrawn before the Demand has been sent by the International Preliminary Examining Authority to the International Bureau.

Refund of the supplemental search fee will be made if the applicant is successful in a protest to a holding of lack of unity of invention.

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