prosecution history estoppel

Definition of "prosecution history estoppel"
  1. A legal principle that prevents a patent holder from later asserting that its patent covers more than what was originally claimed in the patent application
How to use "prosecution history estoppel" in a sentence
  1. The court applied prosecution history estoppel to restrict the plaintiff's interpretation of the patent.
  2. Due to prosecution history estoppel, the inventor was unable to claim that his patent covered new developments.
  3. The defense argued that prosecution history estoppel limited the scope of the patent claim.

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