1. Addressing patent thickets (a) Limit on number of patents per patent group that may be asserted in action for infringement Section 271(e) of title 35, United States Code, is amended by adding at the end the following: (7) (A) A person who brings an action for infringement of a patent under this section against a party described in subparagraph (B) may assert in the action not more than one patent per Patent Group. (B) A party described in this subparagraph is— (i) a person who— (I) submits an application for approval of a drug under subsection (b)(2) or (j) of section 505 of the Federal Food, Drug, and Cosmetic Act ( 21 U.S.C. 355 ), or is a holder of such an approved application; or (II) submits an application for licensure of a biological product under section 351(k) of the Public Health Service Act ( 42 U.S.C. 262(k) ), or is a holder of such a licensure; or (ii) a person making, using, selling, offering for sale, introducing or delivering into interstate commerce, or importing— (I) a drug approved pursuant to an application under subsection (b)(2) or (j) of section 505 of the Federal Food, Drug, and Cosmetic Act ( 21 U.S.C. 355 ); or (II) a biological product licensed under section 351(k) of the Public Health Service Act ( 42 U.S.C. 262(k) ). (C) A person who brings an action described in subparagraph (A) asserting a patent against a party may not bring any additional actions described in that subparagraph asserting a patent in the same Patent Group against that party. (D) (i) For purposes of this paragraph, the term Patent Group means 2 or more commonly owned patents or applications that— (I) are identified on 1 or more disclaimers under section 253 to obviate obviousness-type double patenting of another commonly owned patent