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Greenewalt v. Stanley Co. of America

54 F.2d 195, 12 U.S.P.Q. 122 (1931)

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Greenewalt v. Stanley Co. of America

United States Court of Appeals for the Third Circuit
54 F.2d 195, 12 U.S.P.Q. 122 (1931)

Facts

Mary Greenewalt (plaintiff) held a patent on a method of combining light and music to elicit certain emotional or aesthetic reactions. Greenewalt brought an infringement action against the Stanley Company of America (defendant) in federal district court. The court held that the subject matter of Greenewalt’s patent was too abstract to qualify for patent protection. Greenewalt appealed to the United States Court of Appeals for the Third Circuit.

Rule of Law

Issue

Holding and Reasoning (Thompson, J.)

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