MR. CHIEF JUSTICE STONE delivered the opinion of the Court.
In this patent infringement suit the question is whether the assignor of a patent is estopped by virtue of his assignment to defend a suit for infringement of the assigned patent on the ground that the alleged infringing device is that of a prior art, expired patent.
Automatic Paper Machinery Company, Inc., petitioner's assignor, acquired by assignment, from respondent Marcalus, Patent No. 1,843,429...
Let's get started
Welcome to the leading source of independent legal reporting
Sign on now to see your case.
Or view more than 10 million decisions and orders.
- Updated daily.
- Uncompromising quality.
- Complete, Accurate, Current.