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Charter Sues Apple-Backed Group Over Patent Royalties

Charter Communications Inc., the fourth-largest U.S. cable company, sued an organization backed by Apple Inc. and Microsoft Corp. to force the group to license patents acquired from Nortel Networks Inc. on fair terms.

Rockstar Consortium US LP, based in Plano, Texas, controls 4,000 patents, some covering industry standards for networking gear, Charter said in a complaint filed today in federal court in Wilmington, Delaware. Technology companies formed Rockstar to buy bankrupt Nortel’s patents in 2011.