US protection

US protection ending in 2034: Hormones

As of the edition of 20 October 2026, 19 drugs have US protection that ends in 2034 in hormones; 11 of them have at least one company on route B because of it.

Sources: FDA Orange Book and Purple Book, other approval registers.

19 drugs

DrugUS protectionStatusHolderTargetRoute B rows
Belzutifan Ends 2034 (patent)Marketed Merck & Co. EPAS1 1
Ceftolozane Ends 2034 (patent)Marketed Merck & Co. 0
Deferasirox Ends 2034 (patent)Marketed Novartis 0
Enasidenib Ends 2034 (patent)Marketed Bristol Myers Squibb IDH2 1
Faricimab Ends 2034 (computed from the first US licence)Marketed Roche ANGPT2, VEGFA 1
Fezolinetant Ends 2034 (patent)Marketed Astellas TACR3 1
Mirvetuximab soravtansine Ends 2034 (computed from the first US licence)Marketed ImmunoGen FOLR1 1
Palbociclib Ends 2034 (patent)Marketed Pfizer CDK4, CDK6 2
Pegulicianine acetate Ends 2034 (patent)Marketed Lumicell 0
Relatlimab Ends 2034 (computed from the first US licence)Marketed Bristol Myers Squibb LAG3 1
Rimegepant Ends 2034 (patent)Marketed Pfizer CALCRL 0
Semaglutide Ends 2034 (patent)Marketed Novo Nordisk GLP1R 0
Sofosbuvir Ends 2034 (patent)Marketed Gilead Sciences 0
Stem bromelain Ends 2034 (computed from the first US licence)Marketed Vericel 0
Tazemetostat Ends 2034 (patent)Marketed Ipsen EZH2 2
Teplizumab Ends 2034 (computed from the first US licence)Marketed Sanofi CD3E 1
Tipiracil Ends 2034 (patent)Marketed Taiho TYMP 1
Tremelimumab Ends 2034 (computed from the first US licence)Marketed AstraZeneca CTLA4 1
Tucatinib Ends 2034 (patent)Marketed Pfizer ERBB2 0

Listed by name. A route B row is one company at one target; for a drug with one target that is the number of companies. US protection is the US only, and it is not the date generics or biosimilars can enter.

Which companies are on route B in 2034 in hormones

In the product

11 of these 19 drugs have at least one company on route B. Which companies, and their scores, are in the product.

Get this list with the companies, scores and sources as a fileRequest access. Nothing is shown until you do.

US protection movers, once a month

The drugs that entered or left the two-year window in the latest edition. An email, not an account: it gives no access to the product.