Align Technology

(ALGN) - Get Report

said the patent office preliminarily rejected all 29 claims of its U.S. Patent No. 5,975,893.

The Santa Clara, Calif., maker of teeth-straightening gear said the nonfinal initial office action "is considered routine in patent re-examinations, and now presents Align with its first opportunity to respond to the Patent Office's review and interpretation of the prior art with respect to these patent claims. Align is prepared to and will respond promptly to the Patent Office."