A. & P. Tea Co. v. Supermarket Corp. (JWB Class)

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The Case

  • Counter supplement invented and infringed upon
  • Patent upheld by District Court and Court of Appeals because it was a ‘new and useful combination’
  • Supreme Court reversed decision because the criteria for ‘invention’ was incorrect
    • counter extension was a business improvement, not a science improvement
    • must be difficult, a scientific advancement, and it must be important