US Appeals Court Revives Antitrust Lawsuit Against Align Technology

Key Facts

1A US appeals court revived an antitrust case against Align Technology involving clear aligners and digital intraoral scanners.

A US appeals court revived an antitrust case against Align Technology involving clear aligners and digital intraoral scanners. MLex reported that the US Court of Appeals for the Ninth Circuit reversed a previous summary judgment, ruling that the company must face claims of monopolization and anti-competitive behavior. Circuit Judge Eric Miller wrote in the opinion that a factfinder could conclude the company used patent litigation to terminate interoperability in an effort to thwart competition in the clear aligner market.

ALGN closed at $143.74 on October 2, 2026, with the stock trading between a low of $143.23 and a high of $147.09 during that session. This legal development reopens competition concerns surrounding the Invisalign product, as the court found that evidence could suggest attempts to obstruct open systems used by competitors to leverage their market position.