3D Tech Patent Holder Asks High Court To Consider Infringement Equivalence Factor

(September 1, 2017, 9:32 AM EDT) -- WASHINGTON, D.C. — In an Aug. 22 petition for certiorari, the owner of a patent for a three-dimensional (3D) image technology patent asks the U.S. Supreme Court to decide whether a court needs to consider the factor of known interchangeability when determining whether an item infringes a patent under the doctrine of equivalents (Tomita Technologies USA LLC, et al. v. Nintendo Co. Ltd., et al., No. 17-292, U.S. Sup.)....