How does the “ready for patenting” requirement affect the on-sale bar?
The “ready for patenting” requirement is the second prong of the Pfaff test for determining if an invention was “on sale” for the purposes of the on-sale bar. According to MPEP 2133.03(b), an invention is “ready for patenting” when either: The invention is reduced to practice; or The inventor has prepared drawings or other descriptions…
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