As of May/June 2024, the total duration of all patents issued for top drug Enbrel in the United States stood at around nearly 53 years. In total, Enbrel got 127 patents granted as of that time. This statistic illustrates the duration of all patents issued for select top-selling drugs in the United States.
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I-MAK. (June 1, 2025). Duration of all patents issued for select top-selling drugs in the United States as of 2024 (in years) [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 28, 2026, from /statistics/1182482/patent-protection-duration-top-selling-us-drugs/
I-MAK. "Duration of all patents issued for select top-selling drugs in the United States as of 2024 (in years)." Chart. June 1, 2025. ÌÇÐÄÆƽâ°æ. Accessed July 28, 2026. /statistics/1182482/patent-protection-duration-top-selling-us-drugs/
I-MAK. (2025). Duration of all patents issued for select top-selling drugs in the United States as of 2024 (in years). ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 28, 2026. /statistics/1182482/patent-protection-duration-top-selling-us-drugs/
I-MAK. "Duration of All Patents Issued for Select Top-selling Drugs in The United States as of 2024 (in Years)." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 1 Jun 2025, /statistics/1182482/patent-protection-duration-top-selling-us-drugs/
I-MAK, Duration of all patents issued for select top-selling drugs in the United States as of 2024 (in years) ÌÇÐÄÆƽâ°æ, /statistics/1182482/patent-protection-duration-top-selling-us-drugs/ (last visited July 28, 2026)
Duration of all patents issued for select top-selling drugs in the United States as of 2024 (in years) [Graph], I-MAK, June 1, 2025. [Online]. Available: /statistics/1182482/patent-protection-duration-top-selling-us-drugs/
