“(a) Definitions.—In this section:

“(1) ABBREVIATED NEW DRUG APPLICATION.—The term ‘abbreviated new drug application’ means an application under subsection (b)(2) or (j) of section 505 of the Federal Food, Drug, and Cosmetic Act (21 U.S.C. 355).

“(2) BIOSIMILAR BIOLOGICAL PRODUCT.—The term ‘biosimilar biological product’ means a biological product licensed under section 351(k) of the Public Health Service Act (42 U.S.C. 262(k)).

“(3) BIOSIMILAR BIOLOGICAL PRODUCT LICENSE APPLICATION.—The term ‘biosimilar biological product license application’ means an application submitted under section 351(k) of the Public Health Service Act (42 U.S.C. 262(k)).

“(4) COMPETITION WINDOW.—The term ‘competition window’ means—

“(A) with respect to a listed drug, the period between—

“(i) the date that is the earlier of—

“(I) 8 years before any patent or marketing exclusivity granted under chapter V of the Federal Food, Drug, and Cosmetic Act (21 U.S.C. 351 et seq.) with respect to such listed drug expires; and

“(II) the date on which the first abbreviated new drug application that references such listed drug is filed; and

“(ii) the later of—

“(I) the date that is 180 days after the first abbreviated new drug application that references such listed drug is filed; and

“(II) the date that is 1 year after the date on which the generic drug that is the subject of the abbreviated new drug application described in subclause (I) enters the marketplace; or

“(B) with respect to a reference product, the period between—

“(i) the date that is the earlier of—

“(I) 6 years before any patent or marketing exclusivity (including any extension of such exclusivity) granted under section 351 of the Public Health Service Act (42 U.S.C. 262) or section 527 of the Federal Food, Drug, and Cosmetic Act (21 U.S.C. 360cc) with respect to such reference product expires; and

“(II) the date on which the first biosimilar biological product license application that references such reference product is filed; and

“(ii) the later of—

“(I) the date that is 180 days after the date on which the first biosimilar biological product license application that references such reference product enters the marketplace; and

“(II) the date that is 1 year after the date on which the biosimilar biological product that is the subject of the biosimilar biological product license application described in subclause (I) enters the marketplace.

“(5) EXPECTED REVENUE.—The term ‘expected revenue’, with respect to a follow-on product, means the financial value represented by the number of individuals in the target population multiplied by the financial revenue generated by each member of the target population over the 3-year period beginning—

“(A) on the day that 3 generic drugs referencing the same listed drug or 2 or more biosimilar biological products referencing the same reference product would have been widely available in the market; or

“(B) if 3 or more generic drugs referencing the same listed drug or 2 or more biosimilar biological products referencing the same reference product are already widely available in the market, the day that the follow-on product enters the market.

“(6) FOLLOW-ON PRODUCT.—The term ‘follow-on product’ means a drug approved through an application or supplement to an application submitted under section 505(b) of the Federal Food, Drug, and Cosmetic Act (21 U.S.C. 355(c)) or a biological product licensed through an application or supplement to an application submitted under section 351(a) of the Public Health Service Act (42 U.S.C. 262(a)) for a change, modification, or reformulation to the same manufacturer's previously approved drug or biological product.

“(7) GENERIC DRUG.—The term ‘generic drug’ means a drug approved under subsection (b)(2) or (j) of section 505 of the Federal Food, Drug, and Cosmetic Act (21 U.S.C. 355).

“(8) LISTED DRUG.—The term ‘listed drug’ means a drug listed under section 505(j)(7) of the Federal Food, Drug, and Cosmetic Act (21 U.S.C. 355(j)(7)).

“(9) PATENT FAMILY.—The term ‘patent family’ means a group of related patents that continue the priority date of the underlying composition of matter patent, all of which claim the same drug or biological product or a use of the same drug or biological product.

“(10) PATENT PORTFOLIO.—The term ‘patent portfolio’ means a group of related patents covering the same or similar technical content.

“(11) PATENT THICKETING.—

“(A) IN GENERAL.—The term ‘patent thicketing’ means an action taken to limit competition by a patentee with respect to a drug approved under section 505(c) of the Federal Food, Drug, and Cosmetic Act (21 U.S.C. 355(c)) or a biological product licensed under section 351(a) of the Public Health Service Act (42 U.S.C. 262(a)) in which—

“(i) (I) the patentee obtains patents in the same patent family or patent portfolio—

“(aa) that claim the drug or biological product or a use of the drug or biological product, a form of the drug or biological product, a method of use of the drug or biological product, or a method of manufacture of a drug or biological product; and

“(bb) whose effective filing date does not precede the date of filing the application under section 505(b) of the Federal Food, Drug, and Cosmetic Act (21 U.S.C. 355(b)) or section 351(a) of the Public Health Service Act (42 U.S.C. 262(a)); or

“(II) the underlying composition of matter patent is found invalid and the patentee obtains patents in the same patent family or patent portfolio that claim the drug or biological product or a use of the drug or biological product, a form of the drug or biological product, a method of use of the drug or biological product, or a method of manufacture of the drug or biological product;

“(ii) an abbreviated new drug application referencing such approved drug or a biosimilar biological product license application referencing such licensed biological product could not be marketed without practicing one or more of the inventions claimed in the additional patents described in subclause (I) or (II) of clause (i); and

“(iii) the Commission determines that the patentee improperly limited competition by obtaining patents described in subclause (I) or (II) of clause (i).

“(B) FACTORS TO CONSIDER.—The Commission may establish that an action described in subparagraph (A) improperly limits competition if the Commission establishes a reasonable number of the following factors in a manner that is sufficient to demonstrate anticompetitive intent:

“(i) The additional patents described in subparagraph (A)(i) (referred to in this subparagraph as the ‘additional patents’) stem from few patent families.

“(ii) The additional patents have common specifications.

“(iii) The additional patents did not issue on an application with respect to which a requirement for restriction under section 121 of title 35, United States Code, has been made, or on an application filed as a result of such a requirement.

“(iv) The additional patents have overlapping or identical claims.

“(v) The additional patents have been granted to the patentee on formulations or compositions of the product and not used.

“(vi) One or more of the additional patents have been invalidated in an inter partes review conducted under chapter 31 of title 35, United States Code, or a post-grant proceeding conducted under chapter 32 of that title.

“(vii) Litigation with applicants under section 351(k) of the Public Health Service Act has been extended based on the additional patents.

“(viii) The applications with respect to the additional patents described in subclause (I) or (II) of subparagraph (A)(i) are submitted not more than 36 months before the expiration of the underlying composition of matter patent.

“(ix) A public or internal statement, a shareholder call, or another demonstration of purpose that the patentee intended to use the number of patents or length of extended patent protection in order to unduly limit competition.

“(12) REFERENCE PRODUCT.—The term ‘reference product’ has the meaning given the term in section 351(i) of the Public Health Service Act (42 U.S.C. 262(i)).

“(13) TARGET POPULATION.—The term ‘target population’, with respect to a drug, means the population of individuals that—

“(A) would experience a significant health improvement from a follow-on product; and

“(B) would have bought the follow-on product solely because of the significant health improvement that those individuals would experience.

“(14) ULTIMATE PARENT ENTITY.—The term ‘ultimate parent entity’ has the meaning given the term in section 801.1 of title 16, Code of Federal Regulations, or any successor regulation.

“(15) UNDERLYING COMPOSITION OF MATTER PATENT.—The term ‘underlying composition of matter patent’ means a patent with respect to the molecules, compounds, or new formulations of the active ingredient of a drug or biological product.

“(b) Prohibitions.—

“(1) PATENT THICKETING.—

“(A) PRIMA FACIE.—Except as provided in subparagraph (B), an action by a drug manufacturer that constitutes patent thicketing shall be considered to be an unfair method of competition in or affecting commerce in violation of section 5(a).

“(B) REBUTTAL.—

“(i) IN GENERAL.—Subject to subparagraph (C), an action that constitutes patent thicketing shall not be considered to be an unfair method of competition in or affecting commerce in violation of section 5(a) if the manufacturer described in that paragraph demonstrates to the Commission or a district court of the United States, as applicable, by a preponderance of the evidence in a proceeding initiated by the Commission under subsection (c)(1)(A), or in a suit brought under subparagraph (B) or (C) of subsection (c)(1), that the anticompetitive effects of the action do not outweigh the pro-competitive effects of the action.

“(ii) EVIDENCE.—In making a demonstration under clause (i) that the anticompetitive effects of patent thicketing do not outweigh the pro-competitive effects of that behavior, a manufacturer described in subparagraph (A)—

“(I) may present evidence that—

“(aa) the inventions claimed in the additional patents described in subclauses (I) and (II) of subsection (a)(11)(A)(i) resulted in—

“(AA) clinically meaningful and significant therapeutic or safety benefits;

“(BB) significantly improved product purity or potency;

“(CC) significant gained efficiencies in manufacturing; or

“(DD) other improved product attributes having substantial benefits for consumers or patients;

“(bb) a generic drug or biosimilar biological product could be marketed commercially without incorporating the improvements claimed in the additional patents described in item (aa); or

“(cc) for each of the later filed patents, the manufacturer had substantial financial reason, apart from the financial effects of reduced competition, to file each of the patents; and

“(II) in making a demonstration under subclause (I), shall submit to the Commission or the court, as applicable, all research and development, manufacturing, marketing, and other costs associated with approval of the original drug under section 505(c) of the Federal Food, Drug, and Cosmetic Act (21 U.S.C. 355(c)) or licensure of the original biological product under section 351(a) of the Public Health Service Act (42 U.S.C. 262(a)), which—

“(aa) shall include—

“(AA) any documents relating to the costs and benefits of the later filed patents with respect to patients who use the drug; and

“(BB) any applications for patents that were filed and rejected; and

“(bb) shall not be construed to limit the information that the Commission or the court, as applicable, may otherwise obtain in any proceeding or action instituted with respect to a violation of this section.

“(C) RESPONSE.—The Commission may rebut any evidence presented by a drug manufacturer under subparagraph (B) by establishing by a preponderance of the evidence that the harm to consumers from the action that is the subject of that presentation is greater than the benefits to consumers from that action.

“(2) PRODUCT HOPPING.—

“(A) PRIMA FACIE.—Except as provided in subparagraph (B), any of the following actions by a manufacturer of a reference product or listed drug shall be considered to be an unfair method of competition in or affecting commerce in violation of section 5(a):

“(i) If, during the period beginning on the date on which the manufacturer of the reference drug receives notice that an applicant has submitted to the Commissioner of Food and Drugs an abbreviated new drug application or biosimilar biological product license application and ending on the date that is 180 days after the date on which that generic drug or biosimilar biological product first enters, or could enter, the market, or is denied—

“(I) upon the request of the manufacturer of the listed drug or reference product, the Commissioner of Food and Drugs—

“(aa) withdraws the approval of the application for the listed drug or reference product; or

“(bb) places the listed drug or reference product on the discontinued products list; or

“(II) the manufacturer of the listed drug or reference product announces discontinuance of, or intent to withdraw, the application for the reference product.

“(ii) The manufacturer of a previously approved drug or biological product markets or sells a follow-on product during the competition window.

“(B) REBUTTAL.—

“(i) IN GENERAL.—Subject to subparagraph (C), an action described in subparagraph (A) shall not be considered to be an unfair method of competition in or affecting commerce if—

“(I) with respect to an action described in subparagraph (A)(i), the manufacturer of the listed drug or reference product demonstrates to the Commission or a district court of the United States, as applicable, by a preponderance of the evidence in a proceeding initiated by the Commission under subsection (c)(1)(A), or in a suit brought under subparagraph (B) or (C) of subsection (c)(1), that the manufacturer removed such drug from the market for significant and documented safety reasons; or

“(II) with respect to an action described in subparagraph (A)(ii)—

“(aa) the manufacturer demonstrates to the Commission or a district court of the United States, as applicable, by a preponderance of the evidence in a proceeding initiated by the Commission under subsection (c)(1)(A), or in a suit brought under subparagraph (B) or (C) of subsection (c)(1), that—

“(AA) the follow-on product described in such subparagraph (A)(ii) (referred to in this subclause as the ‘follow-on product’) provides a clinically meaningful and significant additional health benefit to the target population beyond that provided by the previously approved drug or biological product;

“(BB) the follow-on product was the available means that was least likely to reduce competition; and

“(CC) the manufacturer had substantive financial reasons, apart from the financial effects of reduced competition, to introduce the follow-on product to the market; and

“(bb) in making the demonstration required under item (aa), the manufacturer provides to the Commission—

“(AA) all research and development, manufacturing, marketing, and other related costs associated with the drug or biological product previously approved under section 505(c) of the Federal Food, Drug, and Cosmetic Act (21 U.S.C. 355(c)) or section 351(a) of the Public Health Service Act (42 U.S.C. 262(a)) and the follow-on product, including all documents, memos, or other business documents that explain, mention, or otherwise justify the decision of the manufacturer to develop and manufacture the follow-on product; and

“(BB) the revenue obtained by the manufacturer with respect to the drug or biological product previously approved under section 505(c) of the Federal Food, Drug, and Cosmetic Act (21 U.S.C. 355(c)) or section 351(a) of the Public Health Service Act (42 U.S.C. 262(a)) and the expected revenue of the manufacturer with respect to the previously approved drug or biological product and the follow-on product.

“(ii) RULE OF CONSTRUCTION.—Nothing in clause (i) may be construed to limit the information that the Commission may otherwise obtain in any proceeding or action instituted with respect to a violation of this section.

“(C) RESPONSE.—The Commission may rebut any evidence presented by a drug manufacturer under subparagraph (B) by establishing by a preponderance of the evidence that—

“(i) the harm to consumers of the drug or biological product that is the subject of the product from the action that is the subject of that presentation is greater than the benefits to consumers of the drug or biological product that is the subject of challenged action; or

“(ii) a primary purpose of the manufacturer in pursuing the challenged action was to block or otherwise hinder the entry into the market of a generic drug or biosimilar biological product.

“(c) Enforcement.—

“(1) IN GENERAL.—If the Commission has reason to believe that any drug manufacturer has violated, is violating, or is about to violate this section, the Commission may take any of the following actions:

“(A) Institute a proceeding—

“(i) that, except as provided in paragraph (2), complies with the requirements under section 5(b); and

“(ii) in which the Commission may impose on the manufacturer any penalty that the Commission may impose for a violation of section 5.

“(B) In the same manner and to the same extent as provided in section 13(b), bring suit in a district court of the United States to temporarily enjoin the action of the drug manufacturer.

“(C) (i) Bring suit in a district court of the United States to permanently enjoin the action of the drug manufacturer.

“(ii) In a suit brought under clause (i), the Commission may seek—

“(I) any of the remedies described in paragraph (3); and

“(II) any other equitable remedy, including ancillary equitable relief.

“(2) JUDICIAL REVIEW.—

“(A) IN GENERAL.—Notwithstanding any provision of section 5, any drug manufacturer that is subject to a final order of the Commission that is issued in a proceeding initiated under paragraph (1)(A) may, not later than 30 days after the date on which the Commission issues the order, petition for review of the order in—

“(i) the United States Court of Appeals for the District of Columbia Circuit; or

“(ii) the court of appeals of the United States for the circuit in which the ultimate parent entity of the manufacturer is incorporated, as of the date on which the manufacturer obtains the underlying composition of matter patent with respect to the proceeding or files a new drug application under section 505(b) of the Federal Food, Drug, and Cosmetic Act (21 U.S.C. 355(b)) or biological product license application under section 351(a) of the Public Health Service Act (42 U.S.C. 262(a)) that is the subject of the proceeding, as applicable.

“(B) TREATMENT OF FINDINGS.—In a review of an order issued by the Commission conducted by a court of appeals of the United States under subparagraph (A), the factual findings of the Commission shall be conclusive if those facts are supported by the evidence.

“(3) EQUITABLE REMEDIES.—

“(A) DISGORGEMENT.—

“(i) IN GENERAL.—In a suit brought under paragraph (1)(C), the Commission may seek, and the court may order, disgorgement of any unjust enrichment that a person obtained as a result of the violation that gives rise to the suit in which the Commission seeks the claim.

“(ii) CALCULATION.—Any dis­gorge­ment that is ordered with respect to a person under clause (i) shall be offset by any amount of restitution that the person is ordered to pay under subparagraph (B).

“(iii) LIMITATIONS PERIOD.—The Commission may bring a claim for disgorgement under this subparagraph not later than 5 years after the latest date on which the person against which the claim is brought receives any unjust enrichment from the effects of the violation that gives rise to the suit in which the Commission seeks the claim.

“(B) RESTITUTION.—

“(i) IN GENERAL.—In a suit brought under paragraph (1)(C), the Commission may seek, and the court may order, restitution with respect to the violation that gives rise to the suit in which the Commission seeks the claim.

“(ii) LIMITATIONS PERIOD.—The Commission may bring a claim for restitution under this subparagraph not later than 5 years after the latest date on which the person against which the claim is brought receives any unjust enrichment from the effects of the violation that gives rise to the suit in which the Commission seeks the claim.

“(4) RULES OF CONSTRUCTION.—Nothing in this subsection may be construed as—

“(A) requiring the Commission to bring a suit seeking a temporary injunction under paragraph (1)(B) before bringing a suit seeking a permanent injunction under paragraph (1)(C); or

“(B) affecting any other authority of the Commission under this Act to seek relief or obtain a remedy with respect to a violation of this Act.”.