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S. 1954
U.S. Senate•Senate Floor Calendar
Summary
S. 1954, the Biosimilar Red Tape Elimination Act, was introduced in the Senate on Jun 4, 2025 by Sen. Mike Lee (R) with 5 co-sponsors. It last saw action on Jul 27, 2026: Placed on Senate Legislative Calendar under General Orders. Calendar No. 521.
Record
Text
S. 1954 has 5 co-sponsors.
sb1954/introduced-in-senate.txt119 S1954 IS: Biosimilar Red Tape Elimination ActU.S. Senate2025-06-04text/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.II119th CONGRESS1st SessionS. 1954IN THE SENATE OF THE UNITED STATESJune 4, 2025Mr. Lee (for himself, Mr. Luján , Mr.Paul , and Ms. Hassan )introduced the following bill; which was read twice and referred to theCommittee on Health, Education, Labor, andPensionsA BILLTo improve the requirements for making a determination of interchangeabilityof a biological product and its reference product.1.Short titleThis Act may be cited as the Biosimilar Red Tape Elimination Act .2.Biosimilar biological products(a)In generalSection 351(k) of the Public Health Service Act ( 42 U.S.C. 262(k) ) is amended—(1)in the subsection heading, by strikingor interchangeable ;(2)in paragraph (2)—(A)by striking subparagraph (B);(B)by redesignating clauses (ii) and (iii) of subparagraph (A) as subparagraphs (B) and (C), respectively, and adjusting the margins accordingly;(C)in subparagraph (A)—(i)in clause (i), by redesignating subclauses (I) through (V) as clauses (i) through (v), respectively, and adjusting the margins accordingly;(ii)in clause (i), as so redesignated by clause (i) of this subparagraph, by redesignating items (aa) through (cc) as subclauses (I) through (III), respectively, and adjusting the margins accordingly; and(iii)by striking(A) In General and all that follows through An application submitted under this subsection shall include information and inserting the following:(A)In generalAn application submitted under this subsection shall include information;(D)in subparagraph (B), as so redesignated by subparagraph (B) of this paragraph, by striking clause (i)(I) and inserting subparagraph (A)(i) ; and(E)in subparagraph (C), as so redesignated by subparagraph (B) of this paragraph, by redesignating subclauses (I) through (III) as clauses (i) through (iii), respectively, and by adjusting the margins accordingly;(3)by amending subparagraph (A) of paragraph (3) to read as follows:(A)the Secretary determines that the information submitted in the application (or the supplement) is sufficient to show that the biological product is biosimilar to the reference product; and;(4)by amending paragraph (4) to read as follows:(4)Interchangeability(A)In generalA biological product licensed under this subsection shall be deemed to be interchangeable with the reference product, subject to subparagraph (B).(B)Timing of deemed interchangeability(i)Licensure on or after transition dateA biological product licensed under this subsection on or after the transition date described in subparagraph (C) (referred to in this clause as the applicable biological product ) shall be deemed to be interchangeable with the reference product upon such licensure, unless the applicable biological product relied on the same reference product as another biological product for which—(I)licensure under this subsection was in effect on the date of enactment of the Biosimilar Red Tape Elimination Act ; and(II)a first interchangeable exclusivity period under paragraph (6) (as in effect on the date of enactment of the Biosimilar Red Tape Elimination Act ) is in effect on the date of licensure of the applicable biological product,in whichcase the applicable biological product shall be deemedinterchangeable with the reference product under thisparagraph on the date on which the exclusivity perioddescribed in subclause (II) ends.(ii)Licensure prior to transition dateA biological product licensed under this subsection prior to the transition date described in subparagraph (C) (referred to in this clause as the applicable biological product ) shall be deemed to be interchangeable with the reference product on such transition date, unless the applicable biological product relied on the same reference product as another biological product for which—(I)licensure under this subsection was in effect on the date of enactment of the Biosimilar Red Tape Elimination Act ; and(II)a first interchangeable exclusivity period under paragraph (6) (as in effect on the date of enactment of the Biosimilar Red Tape Elimination Act ) is in effect on the transition date,in whichcase the applicable biological product shall be deemedinterchangeable with the reference product under thisparagraph on the date on which the exclusivity perioddescribed in subclause (II)ends.(C)Transition dateThe transition date described in this subparagraph is the date that is 60 days after the date of enactment of the Biosimilar Red Tape Elimination Act .;(5)by amending paragraph (6) to read as follows:(6)Transition with respect to preserving first interchangeability exclusivity with respect to certain biological productsWith respect to a biological product licensed under this subsection before the date of enactment of the Biosimilar Red Tape Elimination Act , for which there was an unexpired period of first interchangeable exclusivity under this subsection (as then in effect), such unexpired exclusivity period shall remain in effect for the duration of such period.; and(6)in paragraph (8)(D)—(A)in clause (i), by striking class; and and inserting class. ;(B)by striking clause (ii); and(C)by striking description of— and all that follows through criteria that the Secretary and inserting description of the criteria that the Secretary .(b)Conforming amendments(1)Section 351(i)(3) of the Public Health Service Act ( 42 U.S.C. 262(i)(3) ) is amended by striking that is shown to meet the standards described in subsection (k)(4) and inserting licensed under subsection (k) .(2)Section 352A of the Public Health Service Act ( 42 U.S.C. 263–1 ) is amended by striking and interchangeable biosimilar biological products each place it appears.(3)Section 744G(14) of the Federal Food, Drug, and Cosmetic Act ( 21 U.S.C. 379j–51(14) ) is amended by striking , including a supplement requesting that the Secretary determine that the biosimilar biological product meets the standards for interchangeability described in section 351(k)(4) of the Public Health Service Act .(4)By amending subsection (l) of section 505B of the Federal Food, Drug, and Cosmetic Act ( 21 U.S.C. 355c ) to read as follows:(l)Biosimilar biological productsA biological product for which an application is submitted under section 351(k) of the Public Health Service Act shall not be considered to have a new active ingredient for purposes of this section, unless the application seeks licensure for—(1)a claimed indication that has been approved for the reference product in a relevant pediatric population or for which there is a deferral of the pediatric assessment under paragraph (4) for the reference product; and(2)the assessment would not involve the development of a biological product with a strength, dosage form, route of administration, or condition of use that could not be licensed under section 351(k) of the Public Health Service Act..(c)GuidanceThe Secretary shall—(1)not later than 18 months after the date of enactment of this Act, update existing draft and final guidance to reflect the amendments made by this Act, including by revising or revoking the guidance document titled Considerations in Demonstrating Interchangeability With a Reference Product (May 2019) and Considerations in Demonstrating Interchangeability With a Reference Product: Update (June 2024);(2)not later than 18 months after the date of enactment of this Act, issue or revise guidance on review and approval of biosimilar biological products under section 351(k) of the Public Health Service Act ( 42 U.S.C. 262(k) ) relating to the data and information that an applicant is required to submit to support a determination that a biosimilar biological product that is the subject of an application under such section is biosimilar to the reference product (as defined in section 351(i) of such Act ( 42 U.S.C. 262(i) )); and(3)not later than 18 months after the comment period closes on the guidance under paragraphs (1) and (2), issue revised draft or final versions of such guidances.
Tracker
The tracker indicates the progress of this legislation as it moves through the legislative process.
- Introduced2025-06-04
- Passed Senate
- Passed House
- Conference
- To President
- Became Law
CRS Summary
The summaries are the Congressional Research Service’s, one per stage. Read them in full.
Introduced in Senate Jun 4, 2025
sb1954/introduced-in-senate.mdShown Here:
Introduced in Senate (06/04/2025)
Biosimilar Red Tape Elimination Act
This bill deems all biosimilars licensed by the Food and Drug Administration (FDA) interchangeable with their reference products.
A biosimilar is a biological product (e.g., a drug or vaccine) that is very similar to a brand-name biological product (i.e., the reference product). Under current law, a biosimilar that meets additional requirements may be deemed interchangeable with the reference product; this designation allows pharmacists to substitute the interchangeable biosimilar when filling a prescription for the reference product, depending on state law. Further, the first biosimilar deemed interchangeable with a given reference product is awarded a period of marketing exclusivity.
The bill eliminates additional requirements for demonstrating interchangeability so that all licensed biosimilars are deemed interchangeable with their reference products. (Draft guidance released by the FDA in 2024 proposed to make some of these interchangeability requirements optional, including studies related to the safety of switching between use of the biosimilar and reference product. It has not been finalized.)
This change takes effect 60 days after the bill is enacted, and previously licensed biosimilars must be deemed interchangeable with their reference products on that date. However, the bill preserves the exclusivity period for first interchangeable biosimilars licensed before the bill’s enactment. For example, if a new biosimilar licensed after the bill takes effect relies on the same reference product as an existing biosimilar that is subject to an unexpired exclusivity period, the new biosimilar is not deemed interchangeable with the reference product until the exclusivity period has ended.
Sponsors
Sen. Mike Lee (R) sponsors S. 1954, and 5 members have co-sponsored it, 3 of them from the day it was introduced.

Sen. · R–UT · Sponsor
Introduced Jun 4, 2025

Sen. · D–NH · Co-sponsor
Joined Jun 4, 2025 · Original

Sen. · D–NM · Co-sponsor
Joined Jun 4, 2025 · Original

Sen. · R–KY · Co-sponsor
Joined Jun 4, 2025 · Original

Sen. · R–MO · Co-sponsor
Joined Jun 24, 2025

Sen. · D–GA · Co-sponsor
Joined Jun 16, 2026
Committees
S. 1954 went before 1 committee: Health, Education, Labor, and Pensions.

Actions
S. 1954 has taken 5 actions since Jun 4, 2025, the latest on Jul 27, 2026.
| Chamber | Action | |||
|---|---|---|---|---|
Jul 27, 2026 | Senate | Committee on Health, Education, Labor, and Pensions. Reported by Senator Cassidy with an amendment in the nature of a substitute. Without written report.Health, Education, Labor, and Pensions Committee | ||
Jul 27, 2026 | Senate | Placed on Senate Legislative Calendar under General Orders. Calendar No. 521. | ||
Jun 17, 2026 | Senate | Committee on Health, Education, Labor, and Pensions. Ordered to be reported with an amendment in the nature of a substitute favorably.Health, Education, Labor, and Pensions Committee | ||
Jun 4, 2025 | Senate | Read twice and referred to the Committee on Health, Education, Labor, and Pensions.Health, Education, Labor, and Pensions Committee | ||
Jun 4, 2025 | — | Introduced in Senate |
Votes
S. 1954 has not gone to a roll call.
Related bills
1 bill is related to S. 1954.
Titles
S. 1954 goes by 4 titles, 2 of them short titles.
- Biosimilar Red Tape Elimination Act — Short Title(s) as Reported to Senate
- Biosimilar Red Tape Elimination Act — Display Title
- Biosimilar Red Tape Elimination Act — Short Title(s) as Introduced
- A bill to improve the requirements for making a determination of interchangeability of a biological product and its reference product. — Official Title as Introduced
Lobbying
32 clients hired 31 firms and 188 registered lobbyists who named S. 1954 in 107 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 Medicare/Medicaid, Health Issues, Pharmacy, Copyright/Patent/Trademark, Budget/Appropriations, Trade (domestic/foreign), Taxation/Internal Revenue Code, Insurance.
Clients
Who paid to be heard, by how many filings named the bill. The 20 that filed most often, of 32.
Firms
Registrants who filed on the bill, by filings.
Lobbyists
Named on the filings that cite the bill. The 20 named most often, of 188.
| Lobbyist | Firms | Clients | Filings |
|---|---|---|---|
| ALEXANDER PERKINS | 1 | 2 | 10 |
| ALYENE MLINAR | 1 | 2 | 10 |
| ANNIE WOLF | 1 | 2 | 10 |
| BRUCE MEHLMAN | 1 | 2 | 10 |
| CAITLIN VAN SANT | 1 | 2 | 10 |
| DAVID THOMAS | 1 | 2 | 10 |
| DEAN ROSEN | 1 | 2 | 10 |
| ELISE FINLEY PICKERING | 1 | 2 | 10 |
| ERICA CHABOT | 1 | 2 | 10 |
| HELEN TOLAR | 1 | 2 | 10 |
| JON ADAME | 1 | 2 | 10 |
| LAUREN ARONSON | 1 | 2 | 10 |
| LISA GOLDMAN | 1 | 2 | 10 |
| MICHAEL ROBINSON | 1 | 2 | 10 |
| NAVEEN PARMAR | 1 | 2 | 10 |
| NICHOLE DISTEFANO | 1 | 2 | 10 |
| PAUL THORNELL | 1 | 2 | 10 |
| ROSEMARY GUTIERREZ | 1 | 2 | 10 |
| SAGE EASTMAN | 1 | 2 | 10 |
| STEPHEN COTE | 1 | 2 | 10 |
Filings
The documents themselves, on the Senate’s Lobbying Disclosure site, largest reported first.
| Client | Registrant | Period | Reported | Document |
|---|---|---|---|---|
| PHARMACEUTICAL RESEARCH AND MANUFACTURERS OF AMERICA | PHARMACEUTICAL RESEARCH AND MANUFACTURERS OF AMERICA | 2026 first_quarter | $12.2M | 1st Quarter - Report |
| PHARMACEUTICAL RESEARCH AND MANUFACTURERS OF AMERICA | PHARMACEUTICAL RESEARCH AND MANUFACTURERS OF AMERICA | 2025 third_quarter | $9M | 3rd Quarter - Report |
| PHARMACEUTICAL RESEARCH AND MANUFACTURERS OF AMERICA | PHARMACEUTICAL RESEARCH AND MANUFACTURERS OF AMERICA | 2025 fourth_quarter | $8.4M | 4th Quarter - Report |
| PHARMACEUTICAL RESEARCH AND MANUFACTURERS OF AMERICA | PHARMACEUTICAL RESEARCH AND MANUFACTURERS OF AMERICA | 2025 second_quarter | $7.6M | 2nd Quarter - Report |
| PHARMACEUTICAL RESEARCH AND MANUFACTURERS OF AMERICA | PHARMACEUTICAL RESEARCH AND MANUFACTURERS OF AMERICA | 2026 second_quarter | $7.4M | 2nd Quarter - Report |
| AMERICA'S HEALTH INSURANCE PLANS INC (AHIP) | AMERICA'S HEALTH INSURANCE PLANS, INC. (AHIP) | 2026 first_quarter | $5.3M | 1st Quarter - Report |
| AMERICA'S HEALTH INSURANCE PLANS INC (AHIP) | AMERICA'S HEALTH INSURANCE PLANS, INC. (AHIP) | 2025 third_quarter | $4.2M | 3rd Quarter - Report |
| AMERICA'S HEALTH INSURANCE PLANS INC (AHIP) | AMERICA'S HEALTH INSURANCE PLANS, INC. (AHIP) | 2025 fourth_quarter | $4.1M | 4th Quarter - Report |
| AMERICA'S HEALTH INSURANCE PLANS INC (AHIP) | AMERICA'S HEALTH INSURANCE PLANS, INC. (AHIP) | 2025 second_quarter | $4.1M | 2nd Quarter - Report |
| JOHNSON & JOHNSON SERVICES INC | JOHNSON & JOHNSON SERVICES, INC. | 2026 first_quarter | $3.5M | 1st Quarter - Report |
| AMERICA'S HEALTH INSURANCE PLANS INC (AHIP) | AMERICA'S HEALTH INSURANCE PLANS, INC. (AHIP) | 2026 second_quarter | $3M | 2nd Quarter - Report |
| KAISER FOUNDATION HEALTH PLAN INC | KAISER FOUNDATION HEALTH PLAN INC. | 2026 first_quarter | $3M | 1st Quarter - Report |
| JOHNSON & JOHNSON SERVICES INC | JOHNSON & JOHNSON SERVICES, INC. | 2025 third_quarter | $2.5M | 3rd Quarter - Report |
| GSK (FKA GLAXOSMITHKLINE INC.) | GSK (FKA GLAXOSMITHKLINE INC.) | 2025 third_quarter | $1.7M | 3rd Quarter - Report |
| BLUE CROSS AND BLUE SHIELD ASSOCIATION | BLUE CROSS AND BLUE SHIELD ASSOCIATION | 2026 first_quarter | $1.5M | 1st Quarter - Report |
| JOHNSON & JOHNSON SERVICES INC | JOHNSON & JOHNSON SERVICES, INC. | 2025 fourth_quarter | $1.5M | 4th Quarter - Report |
| GSK (FKA GLAXOSMITHKLINE INC.) | GSK (FKA GLAXOSMITHKLINE INC.) | 2025 second_quarter | $1.5M | 2nd Quarter - Report |
| JOHNSON & JOHNSON SERVICES INC | JOHNSON & JOHNSON SERVICES, INC. | 2026 second_quarter | $1.4M | 2nd Quarter - Report |
| BLUE CROSS AND BLUE SHIELD ASSOCIATION | BLUE CROSS AND BLUE SHIELD ASSOCIATION | 2025 fourth_quarter | $1.4M | 4th Quarter - Report |
| ASSOCIATION FOR ACCESSIBLE MEDICINES | ASSOCIATION FOR ACCESSIBLE MEDICINES | 2025 fourth_quarter | $1.2M | 4th Quarter - Report |
Classification
The Congressional Research Service files S. 1954 under Health, one of its 31 policy areas, and gives it 4 legislative subjects.
CRS Subjects
CRS assigns every bill one policy area from its 31; S. 1954’s is Health.
s1954/policy-areas.txtLegislative Subjects
S. 1954 carries 4 of CRS’s legislative subjects, from Drug safety, medical device, and laboratory regulation to Prescription drugs.
s1954/subjects.txtSource: congress.gov · legiscan.com