VSP discontinues coverage for popular frames
In 1998, Aspex Eyewear, an eyewear designer that also develops frame technology, was in talks with Altair Eyewear, Inc., another frame designer, about potentially licensing a clip-on technology. Aspex alleges Altair sent the frames to China to make copies and then came out with a very similar clip-on frame. On August 5, 2002, Aspex filed suit for patent infringement.