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· 7/3/1935

Bus & Transport Securities Corp. v. Commissioner of Internal Revenue

Citations

  • 79 F.2d 509
  • 16 A.F.T.R. (P-H) 813
  • 1935 U.S. App. LEXIS 4169

How courts have described this case

Verbatim parenthetical descriptions written by other courts when citing this decision. Ranked by citation-network relevance.

  • stating that “an amendment to claim language in response to prior art ‘may have a limiting effect within a spectrum ranging from great to small to zero’ ”
  • standard for applying prosecution history estoppel is whether one of ordinary skill in the art would objectively conclude that an applicant surrendered subject matter
  • “Literal infringement requires that the accused device contain each limitation of the claim exactly; any deviation from the claim precludes a finding of literal infringement.”
  • “This principle presupposes that the applicant has made the surrender unmistakable enough that the public may reasonably rely on it.”
  • where an applicant makes arguments in combination with an amendment, the scope of estoppel is a product of the effects of both factors working in concert
  • prosecution history estoppel \bars recapture of that subject matter actually surrendered during prosecution\

Source: CourtListener parenthetical corpus (CC0).

Judges: Clark

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This is legal information, not legal advice. Laws vary by jurisdiction and change frequently. Always verify current law with official sources and consult a licensed attorney in your jurisdiction for advice on your specific situation.