Parties Spar Over When Obviousness Type Double Patenting Doctrine Applies

(March 6, 2024, 9:51 AM EST) -- WASHINGTON, D.C. — In a recent reply brief filed with the Federal Circuit U.S. Court of Appeals, a group of patentees urges rejection of a suggestion by various appellees that the obviousness double patenting (ODP) inquiry can be reduced to a comparison of patent expiration dates....