Varian Medical Systems files patent infringement complaint against Elekta over VersaHD® radiation treatment technology

September 28, 2015 – Varian Medical Systems, Inc. and Varian Medical Systems International AG filed a complaint for patent infringement against Elekta AB, Elekta Ltd., Elekta Inc., Elekta Holdings U.S., Inc., Elekta GmbH, Elekta Instrument (Shanghai) Ltd., Elekta Beijing Medical Systems Co. Ltd., and Impac Medical Systems, Inc. on September 25, 2015 in the United States District Court for the Northern District of California.  The lawsuit relates to Elekta’s VersaHD, Axesse, Infinity, Synergy, Agility, and VMAT (Monaco) oncology products, which allegedly infringe the patents at issue by delivering radiation treatment plans generated by software.  The patents at issue are U.S. Patent Nos. 7,880,154, 7,906,770, and 8,695,538, all entitled: “Methods and Apparatus for the Planning and Delivery of Radiation Treatments.”  The complaint has been given Civil Action No. 5:15-cv-04428 (N.D. Cal.).

By: Frederick C. Millett

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