US protection

US protection ending in 2031

As of the edition of 20 October 2026, 68 drugs have US protection that ends in 2031; 42 of them have at least one company on route B because of it.

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

68 drugs

DrugUS protectionStatusHolderTargetRoute B rows
Abemaciclib Ends 2031 (patent)Marketed Eli Lilly CDK4, CDK6 2
Alectinib Ends 2031 (patent)Marketed Roche ALK, RET 1
Benralizumab Ends 2031 (orphan exclusivity)Marketed AstraZeneca IL5RA 0
Besifloxacin Ends 2031 (patent)Marketed Bausch Health 0
Bimatoprost Ends 2031 (patent)Marketed AbbVie PTGFR 3
Blinatumomab Ends 2031 (orphan exclusivity)Marketed Amgen CD19, CD3D, CD3E 0
Bosutinib Ends 2031 (exclusivity)Marketed Pfizer ABL1 1
Brolucizumab Ends 2031 (computed from the first US licence)Marketed Novartis VEGFA 0
Cabotegravir Ends 2031 (patent)Marketed GSK 0
Caplacizumab Ends 2031 (computed from the first US licence)Marketed Ablynx VWF 1
Cerliponase alfa Ends 2031 (orphan exclusivity)Marketed Amicus Therapeutics 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
Delgocitinib Ends 2031 (patent)Marketed LEO Pharma JAK1, JAK2, JAK3 4
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
Elafibranor Ends 2031 (exclusivity)Marketed Ipsen PPARA, PPARD 2
Elbasvir Ends 2031 (patent)Marketed Merck & Co. 0
Enfortumab vedotin Ends 2031 (computed from the first US licence)Marketed Astellas NECTIN4, TUBB, TUBB1 1
Ensifentrine Ends 2031 (patent)Marketed Merck & Co. PDE3A, PDE3B, PDE4A 4
Ertugliflozin Ends 2031 (patent)Marketed Merck & Co. SLC5A2 1
Etelcalcetide Ends 2031 (patent)Marketed Amgen CASR 1
Fedratinib Ends 2031 (patent)Marketed Bristol Myers Squibb FLT3, JAK2 2
Fostamatinib Ends 2031 (patent)Marketed Rigel Pharmaceuticals SYK 3
Gedatolisib Ends 2031 (exclusivity)Marketed Celcuity MTOR, PIK3CA, PIK3CB 5
Iberdomide Ends 2031 (exclusivity)Marketed Bristol Myers Squibb CRBN, CUL4A, DDB1 0
Imetelstat sodium Ends 2031 (exclusivity)Marketed Geron TERT 1
Inotersen Ends 2031 (patent)Marketed Akcea Therapeutics TTR 1
Inotuzumab ozogamicin Ends 2031 (orphan exclusivity)Marketed Pfizer CD22 0
Isavuconazonium Ends 2031 (exclusivity)Marketed Astellas 0
Lemborexant Ends 2031 (patent)Marketed Eisai HCRTR1, HCRTR2 2
Letermovir Ends 2031 (exclusivity)Marketed Merck & Co. 0
Letrozole Ends 2031 (patent)Marketed Novartis CYP19A1 1
Levacetylleucine Ends 2031 (exclusivity)Marketed IntraBio F9 1
Luspatercept Ends 2031 (computed from the first US licence)Marketed Bristol Myers Squibb TGFB1, TGFB2, TGFB3 3
Lutetium oxodotreotide Ends 2031 (exclusivity)Marketed Advanced Accelerator Applications SSTR1, SSTR2, SSTR3 10
Macitentan Ends 2031 (exclusivity)Marketed Johnson & Johnson EDNRA, EDNRB 0
Maralixibat Ends 2031 (exclusivity)Marketed Mirum Pharmaceuticals SLC10A2 2
Mavorixafor Ends 2031 (exclusivity)Marketed X4 Pharmaceuticals CXCR4 2
Niraparib Ends 2031 (patent)Marketed GSK PARP1, PARP2 6
Nitrous acid Ends 2031 (patent)Marketed Hope Biosciences 0
Nivolumab Ends 2031 (orphan exclusivity)Marketed Bristol Myers Squibb PDCD1 2
Onasemnogene abeparvovec Ends 2031 (reference-product exclusivity)Marketed Novartis 0
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
Prabotulinumtoxin a Ends 2031 (computed from the first US licence)Marketed Evolus SNAP25 0
Pretomanid Ends 2031 (exclusivity)Marketed Viatris 0
Revefenacin Ends 2031 (patent)Marketed Viatris CHRM3 0
Ribociclib Ends 2031 (patent)Marketed Novartis CDK4, CDK6 2
Risankizumab Ends 2031 (computed from the first US licence)Marketed AbbVie IL23A 1
Romosozumab Ends 2031 (computed from the first US licence)Marketed Amgen SOST 2
Rucaparib Ends 2031 (patent)Marketed pharmaand PARP1, PARP2, PARP3 5
Seladelpar Ends 2031 (exclusivity)Marketed Gilead Sciences PPARD 1
Sparsentan Ends 2031 (exclusivity)Marketed Retrophin AGTR1 2
Talazoparib Ends 2031 (patent)Marketed Pfizer PARP1, PARP2 2
Tecovirimat Ends 2031 (patent)Marketed SIGA Technologies 0
Telotristat ethyl Ends 2031 (patent)Marketed TerSera Therapeutics TPH1, TPH2 4
Tovorafenib Ends 2031 (patent)Marketed Servier ARAF, BRAF, RAF1 6
Trastuzumab deruxtecan Ends 2031 (computed from the first US licence)Marketed Daiichi Sankyo ERBB2, TOP1 3
Trifarotene Ends 2031 (patent)Marketed Galderma RARG 2
Turoctocog alfa pegol Ends 2031 (computed from the first US licence)Marketed Novo Nordisk 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 the product

42 of these 68 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.