USPTO Announces Rule Change in PTA Relating to Appellate Review

PTA Basics



Patent Term Adjustment (PTA), with its provisions codified at 35 U.S.C. §154(b), extends the term of a patent for certain examination delays at the USPTO. The non-overlapping sum of three kinds of Office delays, referred to by practitioners by their letter designations, A, B, & C, reduced by the delays attributable to the applicant, result in a…