Law360, New York (August 25, 2009) -- An Acacia Research Corp. unit has targeted a wide range of companies – including Hewlett-Packard Co., American International Group Inc., AstraZeneca Pharmaceuticals LP and Dow Chemical Co. – with a patent infringement suit over videoconferencing technology.
Texas-based Teleconference Systems LLC filed suit Monday in the U.S. District Court of Delaware, accusing a variety of major companies of infringing its multiparty videoconferencing patent....


