US protection

US protection ending in 2031: Infections

As of the edition of 20 October 2026, 32 drugs have US protection that ends in 2031 in infections; 13 of them have at least one company on route B because of it.

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

32 drugs

DrugUS protectionStatusHolderTargetRoute B rows
Abemaciclib Ends 2031 (patent)Marketed Eli Lilly CDK4, CDK6 2
Benralizumab Ends 2031 (orphan exclusivity)Marketed AstraZeneca IL5RA 0
Besifloxacin Ends 2031 (patent)Marketed Bausch Health 0
Blinatumomab Ends 2031 (orphan exclusivity)Marketed Amgen CD19, CD3D, CD3E 0
Cabotegravir Ends 2031 (patent)Marketed GSK 0
Chimeric yellow fever dengue virus, live attenuated Ends 2031 (reference-product exclusivity)Marketed Sanofi 0
Cipepofol Ends 2031 (exclusivity)Marketed Haisco-USA Pharmaceuticals 0
Crizanlizumab Ends 2031 (computed from the first US licence)Marketed Novartis SELP 1
Daclatasvir Ends 2031 (patent)Marketed Bristol Myers Squibb 0
Delafloxacin Ends 2031 (patent)Marketed Melinta Therapeutics 0
Dolutegravir Ends 2031 (patent)Marketed GSK 0
Dupilumab Ends 2031 (orphan exclusivity)Marketed Regeneron IL4R 1
Durvalumab Ends 2031 (orphan exclusivity)Marketed AstraZeneca CD274 1
Elbasvir Ends 2031 (patent)Marketed Merck & Co. 0
Fostamatinib Ends 2031 (patent)Marketed Rigel Pharmaceuticals SYK 3
Imetelstat sodium Ends 2031 (exclusivity)Marketed Geron TERT 1
Inotuzumab ozogamicin Ends 2031 (orphan exclusivity)Marketed Pfizer CD22 0
Isavuconazonium Ends 2031 (exclusivity)Marketed Astellas 0
Letermovir Ends 2031 (exclusivity)Marketed Merck & Co. 0
Lutetium oxodotreotide Ends 2031 (exclusivity)Marketed Advanced Accelerator Applications SSTR1, SSTR2, SSTR3 10
Mavorixafor Ends 2031 (exclusivity)Marketed X4 Pharmaceuticals CXCR4 2
Nitrous acid Ends 2031 (patent)Marketed Hope Biosciences 0
Nivolumab Ends 2031 (orphan exclusivity)Marketed Bristol Myers Squibb PDCD1 2
Pembrolizumab Ends 2031 (orphan exclusivity)Marketed Merck & Co. PDCD1 1
Polatuzumab vedotin Ends 2031 (computed from the first US licence)Marketed Roche CD79B, TUBB, TUBB1 1
Pomalidomide Ends 2031 (patent)Marketed Bristol Myers Squibb CRBN 0
Pretomanid Ends 2031 (exclusivity)Marketed Viatris 0
Revefenacin Ends 2031 (patent)Marketed Viatris CHRM3 0
Risankizumab Ends 2031 (computed from the first US licence)Marketed AbbVie IL23A 1
Tecovirimat Ends 2031 (patent)Marketed SIGA Technologies 0
Vesicular stomatitis virus encoding ebola virus glycoprotein Ends 2031 (reference-product exclusivity)Marketed Merck & Co. 0
Vortioxetine Ends 2031 (patent)Marketed Takeda HTR1A, HTR3A, SLC6A4 5

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 2031 in infections

In the product

13 of these 32 drugs have at least one company on route B. Which companies, and their scores, are in the product.

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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.