Beats Electronics has definitely faced its share of lawsuits after being acquired by Apple, but today yet another company has announced that it’ll be taking the electronics maker to court. Rival Monster has filed a claim against Beats that alleges the latter stole its headphone tech.

The original Beats headphones were designed in conjunction with Monster, but Monster CEO Noel Lee says that Jimmy Iovine and Dr. Dre took what they learned from his company—and the technology that powered the headphones—then simply slapped Dre’s name on it.

You can see the full complaint below:

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