What are examples of rectifiable obvious mistakes in a PCT application?

According to MPEP 1836, examples of obvious mistakes that are rectifiable in a PCT application include: Linguistic errors Spelling errors Grammatical errors These errors can be rectified as long as the meaning of the disclosure does not change upon entry of the rectification. The MPEP states: “Examples of obvious mistakes that are rectifiable include linguistic…

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What type of signature is used on the Issue Classification sheet?

The MPEP 1302.13 specifies that examiners use electronic signatures when signing the Issue Classification sheet. The relevant quote states: “The primary examiner and the assistant examiner involved in the allowance of an application will apply E-Signatures on the Issue Classification sheet.” E-Signatures, or electronic signatures, are used to streamline the process and maintain the integrity…

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What are the main differences between a national application filed under 35 U.S.C. 111(a) and a national stage application submitted under 35 U.S.C. 371?

The main differences between a national application filed under 35 U.S.C. 111(a) and a national stage application submitted under 35 U.S.C. 371 include: Filing Date Priority Requirements Unity of Invention Filing Fees As stated in MPEP 1896: “The differences between a national application filed under 35 U.S.C. 111(a) and a national application submitted under 35…

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Who is the “competent authority” for authorizing rectifications in a PCT application?

The “competent authority” for authorizing rectifications in a PCT application varies depending on the part of the application where the mistake is found. According to MPEP 1836: The Receiving Office if the mistake is in the request The International Searching Authority if the mistake is in the description, claims, or drawings (unless the International Preliminary…

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How should chemical formulas be presented in a PCT application abstract?

How should chemical formulas be presented in a PCT application abstract? Chemical formulas in PCT application abstracts require specific formatting. The MPEP 1826 provides guidance on this: “Chemical formulas and tables may be included in the abstract. The abstract may not include other drawings or flow sheets.” When including chemical formulas in your abstract: Ensure…

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How are amendments handled in the International Preliminary Examination Report?

The International Preliminary Examination Report (IPER) takes into account amendments made to the international application. The MPEP states: “The international preliminary examination report identifies the basis on which it is established, i.e., whether, and if so, which amendments have been taken into account.” Amendments are handled as follows: Replacement sheets containing amendments under PCT Article…

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