prosecution history estoppel

noun

In United States patent law, the circumstance under which a person who has filed a patent application, and then made amendments to the application to accommodate the patent law and secure issuance of the patent, is prevented from bringing a cause of action for infringement of the patent where the allegedly infringing acts falling within the matter disclaimed by the amendment.

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Meanings

nounprosecution history estoppel (uncountable)
  1. uncountablelawIn United States patent law, the circumstance under which a person who has filed a patent application, and then made amendments to the application to accommodate the patent law and secure issuance of the patent, is prevented from bringing a cause of action for infringement of the patent where the allegedly infringing acts falling within the matter disclaimed by the amendment.
Cite this entry
APA

prosecution history estoppel. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/prosecution%20history%20estoppel

MLA

“prosecution history estoppel.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/prosecution%20history%20estoppel. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “prosecution history estoppel,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/prosecution%20history%20estoppel.

Source: prosecution history estoppel on Wiktionary, CC BY-SA 4.0.