II 116th CONGRESS 1st Session S. 1636 IN THE SENATE OF THE UNITED STATES May 23 (legislative day, May 22), 2019 Mr. Roberts (for himself, Ms. Smith , and Mr. Cassidy ) introduced the following bill; which was read twice and referred to the Committee on Health, Education, Labor, and Pensions A BILL To amend the Federal Food, Drug, and Cosmetic Act with respect to the scope of new chemical exclusivity.

1. Short title This Act may be cited as the Ensuring Innovation Act . 2. New chemical exclusivity scope Chapter V of the Federal Food, Drug, and Cosmetic Act is amended— (1) in section 505 ( 21 U.S.C. 355 )— (A) in subsection (c)(3)(E)— (i) in clause (ii), by striking active ingredient (including any ester or salt of the active ingredient) and inserting active moiety (as defined by the Secretary in section 314.3 of title 21, Code of Federal Regulations (or any successor regulations)) ; and (ii) in clause (iii), by striking active ingredient (including any ester or salt of the active ingredient) and inserting active moiety (as defined by the Secretary in section 314.3 of title 21, Code of Federal Regulations (or any successor regulations)) ; (B) in subsection (j)(5)(F)— (i) in clause (ii), by striking active ingredient (including any ester or salt of the active ingredient) and inserting active moiety (as defined by the Secretary in section 314.3 of title 21, Code of Federal Regulations (or any successor regulations)) ; and (ii) in clause (iii), by striking active ingredient (including any ester or salt of the active ingredient) and inserting active moiety (as defined by the Secretary in section 314.3 of title 21, Code of Federal Regulations (or any successor regulations)) ; (C) in subsection (l)(2)(A)(i), by striking active ingredient (including any ester or salt of the active ingredient) and inserting active moiety (as defined by the Secretary in section 314.3 of title 21, Code of Federal Regulations (or any successor regulations)) ; (D) in subsection (s), in the matter preceding paragraph (1), by striking active ingredient (including any ester or salt of the active ingredient) and inserting active moiety (as defined by the Secretary in section 314.3 of title 21, Code of Federal Regulations (or any successor regulations)) ; and (E) in subsection (u)(1), in the matter preceding subparagraph (A)— (i) by striking active ingredient (including any ester or salt of the active ingredient) and inserting active moiety (as defined by the Secretary in section 314.3 of title 21, Code of Federal Regulations (or any successor regulations)) ; and (ii) by striking same active ingredient and inserting same active moiety ; (2) in section 512(c)(2)(F) ( 21 U.S.C. 360b(c)(2)(F) )— (A) in clause (i), by striking active ingredient (including any ester or salt of the active ingredient) and inserting active moiety (as defined by the Secretary in section 314.3 of title 21, Code of Federal Regulations (or any successor regulations)) ; (B) in clause (ii), by striking active ingredient (including any ester or salt of the active ingredient) and inserting active moiety (as defined by the Secretary in section 314.3 of title 21, Code of Federal Regulations (or any successor regulations)) ; and (C) in clause (v), by striking active ingredient (including any ester or salt of the active ingredient) and inserting active moiety (as defined by the Secretary in section 314.3 of title 21, Code of Federal Regulations (or any successor regulations)) ; (3) in section 524(a)(4)(C) ( 21 U.S.C. 360n(a)(4)(C) ), by striking active ingredient (including any ester or salt of the active ingredient) and inserting active moiety (as defined by the Secretary in section 314.3 of title 21, Code of Federal Regulations (or any successor regulations)) ; (4) in section 529(a)(4)(A)(ii), by striking active ingredient (including any ester or salt of the active ingredient) and inserting active moiety (as defined by the Secretary in section 314.3 of title 21, Code of Federal Regulations (or any successor regulations)) ; and (5) in section 565A(a)(4)(D) (21 U.S.C. 360bbb–4a(a)(4)(D)), by striking active ingredient (including any ester or salt of the active ingredient) and inserting active moiety (as defined by the Secretary in section 314.3 of title 21, Code of Federal Regulations (or any successor regulations)) .