Fed. Circ. Sides With Stanley In Zircon Patent Row

Law360, New York (October 5, 2011, 9:08 PM EDT) -- The Federal Circuit on Wednesday affirmed a lower court’s decision that stud finders produced by Stanley Black & Decker Inc. did not infringe hand tool manufacturer Zircon Corp.’s patent, ruling the patent’s claims were correctly construed.

A three-judge panel affirmed a California district court’s ruling that Zircon’s patent covered a method using division to calculate ratio measurements to find a stud, rather than subtraction. In light of that construction, the court ruled, Stanley's products did not infringe the ’091 patent because they used subtraction to calculate...
To view the full article, register now.