When is a clean copy of the specification required in a reissue application?

A clean copy of the specification may be required in a reissue application when the certificate of correction changes are extensive. This requirement is at the discretion of the examiner, after consulting with their supervisor. MPEP 1411.01 states: “If the changes are extensive, a clean copy of the specification with the certificate of correction changes…

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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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How are requests for certificates of correction handled by Technology Center Directors?

Technology Center Directors handle specific types of requests for certificates of correction. According to MPEP 1003, these include: Requests that raise novel issues or questions Requests for patents known to be in litigation Requests dealing with legal matters (e.g., insertion of foreign priority data) The MPEP states: “Requests for a certificate of correction in which…

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How are Certificates of Correction published and made available to the public?

The USPTO has implemented an electronic publication process for Certificates of Correction. Here’s how they are published and made available: Certificates of Correction are electronically published on the USPTO website at www.uspto.gov/CertificatesOfCorrection. They are subsequently listed in the Official Gazette approximately three weeks later. On the date of electronic publication: The certificate is entered into…

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