Manual of Patent Examining Procedure - MPEP

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1800 Patent Cooperation Treaty

1876 Notation of Errors and Informalities by the Examiner

Where the International Preliminary Examining Authority authorizes a rectification of an obvious error under Rule 91.1, Rule 70.16 and Section 602(a) and (b) shall apply mutatis mutandis, provided that, where a sheet is marked as indicated in Section 602, the words "RECTIFIED SHEET ( RULE 91)" shall be used.

Although the examiner is not responsible for discovering errors in the international application, if any errors come to the attention of the examiner, they may be noted and called to the applicant's attention. The examiner may invite applicant to rectify obvious errors using Form PCT/IPEA/411. Errors that are not obvious may be called to applicant's attention in Box VII of PCT/IPEA/408.

AUTHORIZED OFFICER

Form PCT/IPEA/408 and Form PCT/IPEA/411 must be signed by an examiner having at least partial signatory authority.

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