critical date
Patent
This refers to the date of the initial placing on sale, publication, or public or commercial use of an invention. At the end of the one-year period, a U.S. patent application cannot be filed because the statute bars such filing.
This refers to the date of the initial placing on sale, publication, or public or commercial use of an invention. At the end of the one-year period, a U.S. patent application cannot be filed because the statute bars such filing.