Is physical surrender of the original patent required for reissue?
No, physical surrender of the original patent is not required for reissue. According to MPEP 1416, “Pursuant to 37 CFR 1.178(a), surrender of the patent for which reissue is requested is automatic upon the grant of the reissue patent; physical surrender is not required.” This means that the surrender takes effect automatically when the reissue…
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