How does the Saturday, Sunday, or federal holiday exception work for the one-year grace period?
The MPEP provides an exception to the strict one-year grace period rule when the deadline falls on a weekend or federal holiday. Specifically, it states: “Publications, patents, public uses and sales will not bar a patent if the 1-year grace period otherwise ends on a Saturday, Sunday, or federal holiday and the application’s U.S. filing…
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