When Does Dupixent Patent Expire?
Dupixent is protected by 18 US patents. The earliest patent expires in 2027, which could open the door for generic competition. Full patent protection extends until 2042. Patent Strength Score: 44/100 (D).
Key Data
| Metric | Value |
|---|---|
| Total Patents | 18 |
| Patent Holders | Regeneron Pharmaceuticals Inc., Sanofi |
| Earliest Expiration | 2027 |
| Latest Expiration | 2042 |
| Patent Strength Score | 44/100 (D) |
Data sourced from USPTO PatentsView. Last updated 2026-04-10.