NikeOn Wednesday, he filed a suit accusing LululemonPatent infringement was alleged in relation to the at-home Mirror device by the apparel manufacturer and its related mobile apps.

Manhattan Federal Court filed the suit.

CNBC did not receive a response from Lululemon regarding its spokesperson.

Lululemon shares dropped 3.5% Wednesday afternoon. Nike shares fell 2% in the last trading session, amid an overall market sell-off.

Nike stated that it had notified Lululemon about the alleged infringement before filing suit. The leggings manufacturer dismissed Nike’s claims.

This is a developing story. Stay tuned for new updates.