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H.R. 3731
U.S. House•In House Committee
Summary
H.R. 3731, the Small Biotech Innovation Act, was introduced in the House on Jun 4, 2025 by Rep. August Pfluger (R) with 4 co-sponsors. It was referred to Energy And Commerce, and last saw action on Jun 4, 2025: Referred to the Committee on Energy and Commerce, and in addition to the Committee on Ways and Means, for a period to be subsequently determined by the Speaker, in each case for consideration of such provisions as fall within the jurisdiction of the committee concerned.
Record
Text
H.R. 3731 has 4 co-sponsors.
hb3731/introduced-in-house.txt119 HR 3731 IH: Small Biotech Innovation ActU.S. House of Representatives2025-06-04text/xmlENPursuant to Title 17 Section 105 of the United States Code, this file is not subject to copyright protection and is in the public domain.I 119th CONGRESS 1st Session H. R. 3731 IN THE HOUSE OF REPRESENTATIVES June 4, 2025 Mr. Pfluger (for himself and Mr. Kustoff ) introduced the following bill; which was referred to the Committee on Energy and Commerce , and in addition to the Committee on Ways and Means , for a period to be subsequently determined by the Speaker, in each case for consideration of such provisions as fall within the jurisdiction of the committee concerned A BILLTo amend title XI of the Social Security Act to establish a research and development-intensive small biotech manufacturer exception from the Medicare drug price negotiation program.1.Short titleThis Act may be cited as the Small Biotech Innovation Act .2.Research and development-intensive small biotech manufacturer exception from Medicare drug price negotiation programSection 1192(d)(2) of the Social Security Act ( 42 U.S.C. 1320f–1(d)(2) ) is amended by adding at the end the following new subparagraph:(D)Research and development-intensive small biotech manufacturer exception for 2029 and subsequent years(i)In generalWith respect to initial price applicability years (beginning with initial price applicability year 2029), subject to the succeeding provisions of this subparagraph, the term negotiation eligible drug shall not include a qualifying single source drug (as defined in subsection (e)) of a research and development-intensive small biotech manufacturer (as defined in clause (ii)).(ii)DefinitionsIn this subparagraph:(I)Applicable percentThe term applicable percent means—(aa)in the case of a small biotech manufacturer that has 1 qualifying single source drug, 30 percent;(bb)in the case of a small biotech manufacturer that has 2 qualifying single source drugs, 40 percent;(cc)in the case of a small biotech manufacturer that has 3 qualifying single source drugs, 50 percent;(dd)in the case of a small biotech manufacturer that has 4 qualifying single source drugs, 60 percent; and(ee)in the case of a small biotech manufacturer that has 5 qualifying single source drugs, 70 percent.(II)Small biotech manufacturer definedThe term small biotech manufacturer means a manufacturer that—(aa)has 5 or less qualifying single source drugs; and(bb)is not owned by, controlled by, or subject to the jurisdiction or direction of a government of a foreign country, or organized under the laws of a foreign country that is a covered nation (as defined in section 4872(f) of title 10, United States Code).(III)Research and development-intensive small biotech manufacturer definedThe term research and development-intensive small biotech manufacturer means a small biotech manufacturer that invests at least the applicable percent of their net revenue from the average of the previous three years in research and development (determined based on generally accepted accounting principles).(iii)Treatment in case of acquisitionA drug shall not be considered to be a qualifying single source drug of a research and development-intensive small biotech manufacturer if the manufacturer of such drug is acquired after 2029 by another manufacturer that does not meet the definition of a research and development-intensive small biotech manufacturer, effective at the beginning of the plan year immediately following such acquisition.(iv)Annual applicationIn order for a qualifying single source drug of a research and development-intensive small biotech manufacturer to be eligible for the exception under this subparagraph with respect to an initial price applicability year (beginning with initial price applicability year 2029), the manufacturer shall submit an application to the Secretary (at a time specified by the Secretary) containing—(I)information on the net product revenue and research and development expenditures of the manufacturer during the relevant time period;(II)a certification that the information submitted by the manufacturer under subclause (I) is accurate and complete to the best of the manufacturer’s knowledge; and(III)such other information as the Secretary may specify.(v)Dispute ResolutionThe Secretary shall develop a process under which a manufacturer may appeal a determination by the Secretary that the manufacturer is not a research and development-intensive small biotech manufacturer. Such process shall conclude, with respect to a manufacturer, not later than the selected drug publication date with respect to the initial price applicability year for which the manufacturer submitted an application under clause (iv)..
Tracker
The tracker indicates the progress of this legislation as it moves through the legislative process.
- Introduced2025-06-04
- Passed House
- Passed Senate
- Conference
- To President
- Became Law
To amend title XI of the Social Security Act to establish a research and development-intensive small biotech manufacturer exception from the Medicare drug price negotiation program.
Sponsors
Rep. August Pfluger (R) sponsors H.R. 3731, and 4 members have co-sponsored it, 1 of them from the day it was introduced.

Rep. · R–TX-11 · Sponsor
Introduced Jun 4, 2025

Rep. · R–TN-8 · Co-sponsor
Joined Jun 4, 2025 · Original

Rep. · R–NY-24 · Co-sponsor
Joined Dec 19, 2025

Rep. · D–CA-12 · Co-sponsor
Joined Apr 14, 2026

Rep. · R–TX-1 · Co-sponsor
Joined Jul 21, 2026
Committees
H.R. 3731 went before 2 committees: Ways and Means and Energy and Commerce.
Actions
H.R. 3731 has taken 2 actions since Jun 4, 2025.
| Chamber | Action | |||
|---|---|---|---|---|
Jun 4, 2025 | House | Introduced in House | ||
Jun 4, 2025 | House | Referred to the Committee on Energy and Commerce, and in addition to the Committee on Ways and Means, for a period to be subsequently determined by the Speaker, in each case for consideration of such provisions as fall within the jurisdiction of the committee concerned.Energy and Commerce Committee |
Votes
H.R. 3731 has not gone to a roll call.
Related bills
1 bill is related to H.R. 3731, as Identical bill.
Titles
H.R. 3731 goes by 3 titles, 1 of them short titles.
- Small Biotech Innovation Act — Display Title
- Small Biotech Innovation Act — Short Title(s) as Introduced
- To amend title XI of the Social Security Act to establish a research and development-intensive small biotech manufacturer exception from the Medicare drug price negotiation program. — Official Title as Introduced
Lobbying
3 clients hired 3 firms and 14 registered lobbyists who named H.R. 3731 in 17 quarterly filings, 2025 to 2026. Reported under the Lobbying Disclosure Act; a filing’s income covers everything its registrant worked that quarter, so the amounts below are the filings’, not this bill’s.
Filed under Health Issues, Taxation/Internal Revenue Code, Medicare/Medicaid, Trade (domestic/foreign).
Clients
Who paid to be heard, by how many filings named the bill.
| Client | Business | State | Firms | Filings | Reported |
|---|---|---|---|---|---|
| EXELIXIS INC. | — | California | 1 | 7 | — |
| EXELIXIS, INC. | Oncology-focused biotechnology company | California | 1 | 5 | $300K |
| ACADIA PHARMACEUTICALS | — | California | 1 | 5 | — |
Firms
Registrants who filed on the bill, by filings.
| Registrant | Clients | Filings | Reported |
|---|---|---|---|
| EXELIXIS INC. | 1 | 7 | — |
| ACADIA PHARMACEUTICALS | 1 | 5 | — |
| ARNOLD & PORTER KAYE SCHOLER LLP | 1 | 5 | $300K |
Lobbyists
Named on the filings that cite the bill.
| Lobbyist | Firms | Clients | Filings |
|---|---|---|---|
| ERIN HERMANCE | 1 | 1 | 7 |
| JAMES FENTON | 1 | 1 | 7 |
| JARED MICHAUD | 1 | 1 | 7 |
| BOBBY MCMILLIN | 1 | 1 | 5 |
| CASEY BROUHARD | 1 | 1 | 5 |
| EUGENIA PIERSON | 1 | 1 | 5 |
| MICHAEL MATTOON | 1 | 1 | 5 |
| PARI MODY | 1 | 1 | 5 |
| PETER DUYSHART | 1 | 1 | 5 |
| SARAH TELLOCK | 1 | 1 | 5 |
| SONJA NESBIT | 1 | 1 | 5 |
| DAVID SKILLMAN | 1 | 1 | 1 |
| RON KIND | 1 | 1 | 1 |
| TWINKLE PATEL | 1 | 1 | 1 |
Filings
The documents themselves, on the Senate’s Lobbying Disclosure site, largest reported first.
| Client | Registrant | Period | Reported | Document |
|---|---|---|---|---|
| ACADIA PHARMACEUTICALS | ACADIA PHARMACEUTICALS | 2025 third_quarter | $750K | 3rd Quarter - Report |
| ACADIA PHARMACEUTICALS | ACADIA PHARMACEUTICALS | 2026 second_quarter | $700K | 2nd Quarter - Report |
| ACADIA PHARMACEUTICALS | ACADIA PHARMACEUTICALS | 2026 first_quarter | $600K | 1st Quarter - Report |
| ACADIA PHARMACEUTICALS | ACADIA PHARMACEUTICALS | 2025 fourth_quarter | $590K | 4th Quarter - Report |
| EXELIXIS INC. | EXELIXIS INC. | 2026 second_quarter | $560K | 2nd Quarter - Report |
| EXELIXIS INC. | EXELIXIS INC. | 2026 first_quarter | $520K | 1st Quarter - Report |
| EXELIXIS INC. | EXELIXIS INC. | 2025 third_quarter | $510K | 3rd Quarter - Amendme… |
| EXELIXIS INC. | EXELIXIS INC. | 2025 fourth_quarter | $510K | 4th Quarter - Amendme… |
| EXELIXIS INC. | EXELIXIS INC. | 2025 fourth_quarter | $500K | 4th Quarter - Report |
| EXELIXIS INC. | EXELIXIS INC. | 2025 third_quarter | $500K | 3rd Quarter - Report |
| ACADIA PHARMACEUTICALS | ACADIA PHARMACEUTICALS | 2025 second_quarter | $500K | 2nd Quarter - Report |
| EXELIXIS INC. | EXELIXIS INC. | 2025 second_quarter | $480K | 2nd Quarter - Report |
| EXELIXIS, INC. | ARNOLD & PORTER KAYE SCHOLER LLP | 2026 second_quarter | $60K | 2nd Quarter - Report |
| EXELIXIS, INC. | ARNOLD & PORTER KAYE SCHOLER LLP | 2026 first_quarter | $60K | 1st Quarter - Report |
| EXELIXIS, INC. | ARNOLD & PORTER KAYE SCHOLER LLP | 2025 fourth_quarter | $60K | 4th Quarter - Report |
| EXELIXIS, INC. | ARNOLD & PORTER KAYE SCHOLER LLP | 2025 third_quarter | $60K | 3rd Quarter - Report |
| EXELIXIS, INC. | ARNOLD & PORTER KAYE SCHOLER LLP | 2025 second_quarter | $60K | 2nd Quarter - Report |
Classification
The Congressional Research Service files H.R. 3731 under Health, one of its 31 policy areas.
CRS Subjects
CRS assigns every bill one policy area from its 31; H.R. 3731’s is Health.
hr3731/policy-areas.txtConstitutional authority
The clause the sponsor cites as Congress’s power to enact H.R. 3731, as entered in the Congressional Record.
[Congressional Record Volume 171, Number 95 (Wednesday, June 4, 2025)][House]From the Congressional Record Online through the Government Publishing Office [www.gpo.gov]By Mr. PFLUGER:H.R. 3731.Congress has the power to enact this legislation pursuantto the following:Article 1, Section 8[Page H2470]
Source: congress.gov · legiscan.com
