SharkNinja Knocks Out Another IRobot Vacuum Patent

SharkNinja said the Patent Trial and Appeal Board has invalidated the last of the four patents iRobot asserted against it in an infringement case pending in federal court in Boston.

• The review board said iRobot patent 8,418,303 for a vacuum brush roller wasn’t a new idea, and cited a 1928 patent as part of the case against the Roomba maker
  • The board had previously said three other iRobot patents are invalid
• The rulings against iRobot have the effect of “gutting iRobot’s ill-conceived effort to litigate SharkNinja out of the robotic vacuum cleaner market and limit consumer choice,” SharkNinja said in ...