Minnesota Mining and Manufacturing Company v. Norton Company, Studebaker-Packard Corporation, and Hadco Corporation

O’SULLIVAN, Circuit Judge.

This is an appeal by Minnesota Mining and Manufacturing Company (referred to herein as Minnesota) from a summary judgment which dismissed its suit against appellees, Norton Company, Studebaker-Packard Corporation and Hadco Corporation (referred to herein collectively as Norton) for infringement of a Minnesota patent. The dismissal was bottomed upon the District Judge’s conclusion that Minnesota’s act of filing several applications for foreign patents on the invention in suit without obtaining a license to do so from the Commissioner of Patents rendered the patent…