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Consolidated Electric Light Co. v. McKeesport Light Co., 159 U.S. 465 (1895), referred to in some casebooks and legal treatises as The Incandescent Lamp Patent, was a United States Supreme Court case which grew out of a patent dispute between Thomas Edison and William E. Sawyer.

Background
Plaintiffs Consolidated Electric Light Co. (assignees of Sawyer & Man) sued defendants, McKeesport Light Co. (assignees of Thomas Edison).