How has the patent surrender process changed over time?
The patent surrender process has undergone significant changes over time, particularly regarding the physical surrender of the original patent. MPEP 1416 outlines this change: “Prior to October 21, 2004, a reissue applicant was required to physically surrender the letters patent (i.e., the “ribbon copy” of the patent for which reissue was requested) before the reissue…
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