patentable addition to combination
Defined in 1 dictionary — Case Law
Definitions from Case Law
From 302 U.S. 490 - Textile Machine Works v. Louis Hirsch Textile Machines, Inc. · 1938Most cited · 200 citing opinions
The addition of a new and useful element to an old combination may be patentable; but the addition must be the result of invention rather than the mere exercise of the skill of the calling, and not one plainly indicated by the prior art.