Airwair International Ltd, the company that makes Dr. Martens, is suing Yoox-Net-A-Porter Group for selling shoes that, it claims, look too much like its iconic lace-up boots.

The lawsuit, filed in federal court in San Francisco, alleges trademark infringement, trademark dilution and unfair competition, according to Reuters, which first reported the story.

Dr. Martens is reportedly calling for a preliminary injunction against the online retailer.

This isn’t the first time the British brand has sued a competitor for ripping off its designs.

In 2017, Airwair International slapped US-based shoe brand Steve Madden with a lawsuit for trademark infringement, claiming that it unlawfully copied Dr. Martens’ two tone grooved sole edge, DMS undersole and heel loop.

In 2013, the company sued US-based shoe brand Chinese Laundry, citing similar trademark infringements.

Inside Retail has contacted Dr. Martens and Yoox-Net-A-Porter Group for comment.

This story first appeared on our sister site Inside Retail Australia.