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patent cliff

American  

noun

  1. a potential sharp drop in sales and revenue for a company when one of its patents expires.

    the looming patent cliffs faced by pharmaceutical firms.


Etymology

Origin of patent cliff

First recorded in 2005–10

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

“Over the last several years, we’ve done quite a bit of business development activity, putting products into our business that will help us offset the patent cliff over time.”

From Barron's • May 5, 2026

As Citi’s Davis puts it, “This will be the biggest patent cliff of all time.”

From The Wall Street Journal • Nov. 18, 2025

But no company has a patent cliff quite like Merck’s.

From Barron's • Nov. 14, 2025

It was originally thought that the biosimilars would exact a lot of pain like the patent cliff with other drugs.

From Forbes • Sep. 4, 2014

The company's "patent cliff" will become more daunting in March, when $1 billion-a-year osteoporosis drug Evista faces U.S. generics.

From Reuters • Jan. 30, 2014

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