US protection

US protection ending in 2031: Skin and connective tissue

As of the edition of 20 October 2026, 36 drugs have US protection that ends in 2031 in skin and connective tissue; 27 of them have at least one company on route B because of it.

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

36 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
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
Cabotegravir Ends 2031 (patent)Marketed GSK 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
Enfortumab vedotin Ends 2031 (computed from the first US licence)Marketed Astellas NECTIN4, TUBB, TUBB1 1
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
Letrozole Ends 2031 (patent)Marketed Novartis CYP19A1 1
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
Pembrolizumab Ends 2031 (orphan exclusivity)Marketed Merck & Co. PDCD1 1
Pomalidomide Ends 2031 (patent)Marketed Bristol Myers Squibb CRBN 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
Sparsentan Ends 2031 (exclusivity)Marketed Retrophin AGTR1 2
Talazoparib Ends 2031 (patent)Marketed Pfizer PARP1, PARP2 2
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

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 skin and connective tissue

In the product

27 of these 36 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.