Burton is sued over a helmet patent

Smith Sports Optics and Koroyd are suing Burton Snowboards in a federal court in Utah, claiming that the WaveCel shock-absorbing material it uses in some of its helmets infringes on a jointly owned U.S. patent. The patented technology, called Koroyd, uses an array of structures that provide crumple zones to cushion impact. The plainiffs claim that WaveCel was specifically designed to compete with Koroyd. It is used in the Merak and Logan helmets sold by Anon, a brand owned by Burton.