REDMOND, Wash. (AP) — Microsoft is suing Motorola Inc. for infringing on its smart-phone patents.
The software maker says 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.
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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