Combination Patent Law and Legal Definition

A combination patent is a patent granted for an invention that unites existing components in a novel way.

In American Seating Co. v Ideal Seating Co. (1940, DC Mich) 32 F Supp 169, 44 USPQ 394, affd (1941, CA6 Mich) 124 F2d 70, 52 USPQ 37, it was held that a combination patent is infringed only if defendant uses combination of same elements cooperating in accordance with same principle; infringement could not have been predicated on fact that defendant secured similar results by other means.