prosecution history estoppel

/P R AA0 S AH0 K Y UW1 SH AH0 N IH0 S T ER0 IY0 IH0 S T AA0 P AH0 L/
noun
  1. 1

    (law) 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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