Oregon Improvement Co. v. Excelsior Coal Co.
132 U.S. 215 (1889)

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U.S. Supreme Court

Oregon Improvement Co. v. Excelsior Coal Co., 132 U.S. 215 (1889)

Oregon Improvement Company v. Excelsior Coal Company

No. 1198

Submitted November 11, 1889

Decided November 25, 1889

132 U.S. 215


Where a complaint in an action at law for the infringement of a reissued patent for an invention avers that the reissue is "for the same invention" as the original patent and the answer denies "each and every, all and singular, the allegations" of the complaint, it is error, on the trial, to exclude the original patent from being put in evidence by the defendant.

The case is stated in the opinion.

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