10/07/2011
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IPG Photonics wins patent suit
Ann Arbor, MI - The jury has returned a verdict of non-infringement in the case of IMRA America against IPG Photonics in a trial presided over by Senior Judge Arthur J Tarnow in the US District Court of Eastern Michigan. IPG did not challenge the validity of US Patent 5,818,630. The trial is the culmination of a five year battle wherein IMRA has pressed IPG to license their intellectual property.