ESI Files Patent Infringement Lawsuit Against Korean Laser Tool Manufacturer EO Technics

PORTLAND, Ore.--(BUSINESS WIRE)--Electro Scientific Industries, Inc. (NASDAQ: ESIO), a leading supplier of innovative laser-based manufacturing solutions for the microtechnology industry, today announced the filing of a patent infringement suit against EO Technics Co. Ltd. in the Seoul Central District Court of South Korea. In its complaint, ESI alleges that EO Technics infringes ESI’s Korean Patent No. 395,273 entitled “Multi-rate Positioner System having an Improved Profiling Filter” when it makes, uses, sells, offers for sale or imports certain of its products. ESI’s Korean patent relates to and claims an apparatus and method for accurately controlling the positioning of a tool using a low-speed positioner and a high-speed positioner. ESI seeks an injunction against the manufacture, use and sale of the products at issue, as well as compensation for damages.