Younger Optics, Essilor, Indizen and VSP Embroiled in Progressive Lens Patent Suits

NEW YORK—A wide ranging patent battle over digital progressive lenses has broken out, with leading lens manufacturers, an optical lab group and a major managed vision care company taking sides in lawsuits and countersuits filed in two different federal courts. On Feb. 20, Younger Optics www.youngeroptics.com, Indizen Optical Technologies www.iot.es, Indizen Optical Technologies of America, Vision Service Plan, VSP Labs and VSP Optical Group filed suit against Essilor International and Essilor of America www.essilorusa.com in U.S. District Court for the Central District of California, Western Division.   Read the article on VMail