(NEWSER) – Hoverboards are making headlines, from bursting into flames and being banned by online retailersto causing trouble in churches and supermarkets. But the hoverboard hubbub at CES in Las Vegas Thursday was something straight out of a corporate espionage movie: Per Bloomberg, US marshals raided a booth set up by Chinese company Changzhou First International Trade.

It was promoting its Trotter electronic skateboard—what Bloomberg describes as looking "like a seesaw with one big wheel in the middle." The problem: Silicon Valley startup Future Motion says the product is a knockoff of its own Onewheel skateboard, invented and designed by Kyle Doerksen. "When we got word that a company was exhibiting a knock-off product, we engaged in the formal process, which involved sending a cease and desist letter and ... getting a restraining order ... then enforced by the US marshals," Doerksen tells the BBC.

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