The United States Supreme Court's recent decision in Illinois Tools Works v. Independent Ink, 126 S.
Patents No Longer Carry a Presumption Of Market Power in Tying Cases
The United States Supreme Court's recent decision in <i>Illinois Tools Works v. Independent Ink</i> reversed almost 50 years of precedent holding that the owner of a patent was presumed to have market power in patent-related tying cases brought under the Sherman Act. The Court noted that Congressional amendments to the patent code explicitly finding that tying was not a per se patent misuse, coupled by the widely accepted view in academia that patents did not inherently lead to market power, had so eroded the legal doctrine supporting the presumption of market power in patent-related tying cases, that a new rule was appropriate. The Court held that in all future tying cases, the plaintiff must allege and prove that the defendant has actual market power in the tying product ' the mere existence of a patent is no longer sufficient.
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