Dyson hair curler complaint merely hot air, says SharkNinja
Shark FlexStyle legal action adds to global litigation waged between the pair over the patented tech | SharkNinja claims differences in design and product features.
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2 August 2018 Vacuum maker Dyson dismissed an appeal to the US Court of Appeals for the Federal Circuit earlier this week, bringing a four-year design patent battle with competitor SharkNinja to an end.