Amgen Scores Partial Victory in Efforts to Maintain OTEZLA Exclusivity April 21, 2023PatentDamages, eligibility, en banc, enantiomers, Hatch-Waxman, obviousness, Orange Book, paid, patent infringement, patent law, patent term extension, patent validity, PDE4 inhibitors, reasonable expectation of success, Section 101, Section 271(e)(1)Holman To continue reading, become a Patently-O member. Already a member? Simply log in to access the full post.