Patentable Subject Matter USA: From No...

• Software patents fought by USPTO prior to 1981

  • Gottshalk v. Benson (1972) and Parker v. Flook (1978)
  • "difficult questions of policy" ... "form and duration of such protection can be answered by Congress"

• 1981 US Supreme Court, Diamond v. Diehr,

• Industrial process for the molding of rubber products, which included software. This was not a pure software patent

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