Dobson v. Lees
137 U.S. 258 (1890)

Annotate this Case

U.S. Supreme Court

Dobson v. Lees, 137 U.S. 258 (1890)

Dobson v. Lees

No. 43

Argued October 31, 1890

Decided December 1, 1890

137 U.S. 258

APPEAL FROM THE CIRCUIT COURT OF THE UNITED

STATES FOR THE EASTERN DISTRICT OF PENNSYLVANIA

Syllabus

A reissue of letters patent is an amendment, and cannot be allowed to enlarge the claims of the original by including matter once intentionally omitted.

Such intentional omission may be shown by conduct, and the inventor cannot be permitted to treat deliberate and long continued acts of his attorney as other than his own.

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