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PatentCliff

When Does Darzalex Patent Expire?

Darzalex is protected by 10 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: 41/100 (D).

Key Data

MetricValue
Total Patents10
Patent HoldersJanssen Biotech Inc.
Earliest Expiration2026
Latest Expiration2042
Patent Strength Score41/100 (D)

Data sourced from USPTO PatentsView. Last updated 2026-04-10.