What happens if an applicant cancels claims without an express election statement?

When an applicant cancels claims without making an express election statement, MPEP 818.02(d) provides guidance: If the applicant’s reply to a restriction requirement doesn’t expressly state the elected invention, But cancels claims to all but one of the inventions, The remaining invention is deemed to be the elected invention. The MPEP states: “If applicant’s reply…

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What is the process for changing inventorship on a patent after it has been issued?

Changing inventorship on an issued patent requires a specific process, as outlined in MPEP § 1481.02. According to MPEP 1002.02(l), “Request to change inventorship pursuant to court order, 37 CFR 1.324, MPEP § 1481.02” is decided by the Certificates of Correction Branch. The process typically involves: Obtaining a court order directing the change in inventorship…

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What is the difference between correcting a patent with a Certificate of Correction and a reissue application?

The choice between a Certificate of Correction and a reissue application depends on the nature and extent of the error in the patent. According to MPEP 1481: Certificate of Correction: Used for clerical or typographical errors, or mistakes of minor character Cannot involve changes that would constitute new matter or require reexamination Cannot be used…

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