Keyes Fibre Co. v. Chaplin Corp.

CLIFFORD, District Judge.

This is a motion for summary judgment, filed by plaintiff Keyes Fibre Company. The motion rests on two grounds. The first ground is that patent No. 2,359,201, which was issued September 26, 1944, to defendant Chaplin Corporation, assignee of defendants Merle P. Chaplin and Charles J. Chaplin, is invalid because of laches, in that the effective date of the application for the patent was more than two years subsequent to the public disclosure of the idea on which the patent is based. The second ground of this motion is that the relevant claims of the Chaplin patent in…