Motorola Sues Microsoft Alleging Patent Infringement

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Motorola Inc., the second-largest U.S. mobile-phone maker, filed complaints against Microsoft Corp. alleging it infringed technology patents, countering an earlier suit by the software maker.

Microsoft’s personal-computer, server, mobile and Xbox products infringe 16 patents, Schaumburg, Illinois-based Motorola said today in complaints filed in federal courts in Florida and Wisconsin.