KSR Int'l v. Teleflex
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In KSR Int'l Co. v. Teleflex Inc., 127 S. Ct. 1727 (2007), a unanimous United States Supreme Court invalidated a patent by emphasizing the statutory prohibition on patenting a design that is obvious:
- Section 103 forbids issuance of a patent when "the differences between the subject matter sought to be patented and the prior art are such that the subject matter as a whole would have been obvious at the time the invention was made to a person having ordinary skill in the art to which said subject matter pertains."
Justice Anthony Kennedy wrote the opinion for the Court.