PTAB Axes Another iRobot Patent In SharkNinja Vacuum Fight

By Britain Eakin (October 22, 2021, 4:25 PM EDT) -- The Patent Trial and Appeal Board has invalidated another iRobot Corp. patent on its Roomba line of products, handing SharkNinja a fourth victory in a matter of weeks in its effort to wipe out several patents its rival has accused it of infringing....

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