Nike Golf Club Patent Dispute Do-Over Weighed by Fed. Cir. Panel

A Federal Circuit panel Wednesday parsed whether a golf club patent at issue in an infringement suit against Nike Inc. was properly invalidated by a trial court as indefinite.

Saso Golf Inc., which owns U.S. Patent No. 5,645,495, challenged a one-sentence opinion from the U.S. District Court for the Northern District of Illinois. Saso argued Nike failed to prove the patent was indefinite because it didn’t show that a person of skill in the art of making golf clubs wouldn’t be able to identify the parts of the club head described in the patent with reasonable certainty.

Saso wants ...