Evans Cooling Systems, Inc. And Patent Enforcement Fund, Inc. v. General Motors Corp.

How courts have described this case

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

• holding patent invalid under on-sale bar where accused product was offered for sale prior to the critical date of the patented invention
• holding patent invalid under on-sale bar where accused product was offered for sale prior to the critical date of the patented invention
• invalidating the patent because the accused product was offered for sale prior to the critical date of the patented invention
• “A century-old axiom of patent law holds that a product ‘which would literally infringe if later in time anticipates if earlier.’ ”
• “[T]he fact that the contract was cancelable or changeable under certain circumstances does not mean that it does not evidence a definite offer for sale.”
• “June 13, 1991—nearly a month prior to the critical date”

Source: CourtListener parenthetical corpus (CC0).