In Defense of M-S-T: The Federal Circuit’s Decision in Dyestar v. C.H. Patrick
The U.S. Court of Appeals for the Federal Circuit issued an opinion in the Dystar Textilfarben v. C.H. Patrick Co. and Bann Quimica decision that defended the use of the “motivation-suggesting teaching” (hereinafter: “M-S-T”) test in order to determine a finding of obviousness in the matter of patented inventions. The opinion is of particular interest …
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