Popular West Coast burger chain In-N-Out has filed a lawsuit against delivery startup DoorDash for delivering its burgers, claiming it has asked the service repeatedly to cease selling its dishes.

“We have asked DoorDash several times to stop using our trademarks and to stop selling our food,” the restaurant’s general counsel, Arnie Wensinger, told CNBC in an email. “Unfortunately, they have continued to prominently use our trademarks and serve our food to customers who believe that we are responsible for their delivery. Prior to filing the lawsuit, we tried contacting them several more times but they never responded to our…

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