Microsoft Sues Motorola on Smart-Phone Patents

Microsoft Corp. is suing Motorola Inc. for infringing on its smart-phone patents.

The software maker on Friday said Motorola phones that use Google Inc.'s Android software step on Microsoft technology. The functions in question include synchronizing e-mail, calendars and contacts.

Microsoft filed its lawsuit in the U.S. District Court for the Western District of Washington. It also filed a claim with the International Trade Commission.

Microsoft said Motorola licensed some of its mobile technology from 2003 to 2007, but did not renew the license even as the handset maker continued to use the technology.

This isn't the first move Microsoft has made to protect its mobile patents. In April, it announced licensing agreement with another Android phone maker, Taiwan's HTC Corp.

Officials with Schaumburg, Ill.-based Motorola didn't immediately comment.
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