Top 20 Drugs Heading for the Patent Cliff, 2026-2029

Top 20 Drugs Heading for the Patent Cliff, 2026-2029

Last year, these treatments accounted for 75% of the $236B in annual sales set to vanish with the loss of exclusivity.

The biopharma industry is facing a significant challenge as longtime blockbuster drugs are about to lose their patents, resulting in an estimated $230 billion in annual sales loss.

The idea of a “patent cliff” wave of exclusivity expirations shaking up the biopharma industry isn’t new.

The term "patent cliff" was first mentioned by GEN in 2010, and again in 2011 when Lipitor (atorvastatin) lost its basic U.S. patent. The Economist also used the phrase as early as 2009.

Author's summary: Biopharmas face $230B loss.

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GEN - Genetic Engineering and Biotechnology News GEN - Genetic Engineering and Biotechnology News — 2025-11-01

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