American Bell Tel. Co. v. Western Tel. Const. Co.
U.S. Circuit Court for the Northern District of Illnois
- In Equity. Suit by the American Bell Telephone Company against the Western Telephone Construction Company and others for infringement of letters patent No. 186,787, issued January 80, 1877, to Alexander Graham Bell, for improvements in electric telegraphy.
1Opinion of the Court
JENKINS, Circuit Judge.
The validity and infringement of the complainant’s patent are not disputed. The life of that patent expires on January 30, 1894. It is claimed that the defendants ought not now to be enjoined, but should be permitted to pursue their infringement upon giving bond to pay royalties to the complainant. Tiie defendants, at the commencement of their enterprise, knew that this patent had been sustained by the supreme court of the United States. They were well informed of the complainant’s rights under that patent. With that knowledge, they have pursued their infringement, with…
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