When Does Herceptin Patent Expire?
Herceptin is protected by 18 US patents. The earliest patent expires in 2026, which could open the door for generic competition. Full patent protection extends until 2042. Patent Strength Score: 40/100 (D).
Key Data
| Metric | Value |
|---|---|
| Total Patents | 18 |
| Patent Holders | Genentech Inc. |
| Earliest Expiration | 2026 |
| Latest Expiration | 2042 |
| Patent Strength Score | 40/100 (D) |
Data sourced from USPTO PatentsView. Last updated 2026-04-10.