Biogen
As of the edition of 20 October 2026, Biogen runs 72 drugs, 15 of them marketed; it is on route A at 28 targets and on route B at 6 targets.
Sources: ClinicalTrials.gov, FDA Orange Book and Purple Book, other approval registers, company records.
Family history
Biogen was renamed in 2005.
The records place 7 company names in this family.
- BIOGEN CHESAPEAKE LLC: renamed in 2005
- APELLIS PHARMACEUTICALS INC: acquired in 2026; successor BIOGEN CHESAPEAKE LLC
Drugs by status
| Status | Count |
|---|---|
| Marketed | 15 |
| Active | 10 |
| Went quiet | 17 |
| Stopped | 24 |
| Withdrawn from market | 1 |
| Status not established | 5 |
| Total | 72 |
Marketed drugs and when their US protection ends
| Drug | US protection | Route B rows |
|---|---|---|
| Rituximab | Ends 2028 (orphan exclusivity) | 1 |
| Dimethyl fumarate | none listed | 0 |
| Natalizumab | Ended 2016 (computed from the first US licence) | 1 |
| Interferon beta-1a | Ended 2008 (computed from the first US licence) | 0 |
| Alefacept | Ended 2015 (computed from the first US licence) | 0 |
| Pegcetacoplan | Ends 2033 (patent) | 2 |
| Nusinersen | Ends 2030 (patent) | 1 |
| Omaveloxolone | Ends 2033 (patent) | 1 |
| Peginterferon beta-1a | Ended 2026 (computed from the first US licence) | 0 |
| Zuranolone | Ends 2037 (patent) | 0 |
| Efmoroctocog alfa | Ended 2026 (computed from the first US licence) | 0 |
| Diroximel fumarate | Ends 2033 (patent) | 0 |
| Aducanumab | Ends 2033 (computed from the first US licence) | 1 |
| Eftrenonacog alfa | Ended 2026 (computed from the first US licence) | 0 |
| Tofersen | Ends 2035 (patent) | 1 |
A route B row is one company at one target.
Where it needs a new molecule
Route A at 28 targets, route B at 6 targets.
All 34 rows on route A or B
In the product34 company-target rows on route A or B; 31 are not shown here, and no score is.
See all 34 targets where Biogen needs a new molecule, with the facts behind eachRequest access. Nothing is shown until you do.
Where its trials are
- Nervous system: 142 trials led
- Immune system: 104 trials led
- Pregnancy and women's health: 35 trials led