Motorola Sues Microsoft Over Patent Infringement

A Motorola subsidiary has filed suit against Microsoft on Wednesday over alleged patent infringement issues, only one day after Microsoft filed its second lawsuit against Motorola.

The Schaumburg, Ill.-based handset maker announced that its subsidiary Motorola Mobility is accusing Microsoft of infringing upon 16 patents in many of the software giant’s products, including its PC and server software, Windows Mobile operating system and the Xbox game-console.

“Motorola has invested billions of dollars in R&D to create a deep and broad intellectual property portfolio and we will continue to do what is necessary to protect our proprietary technology,” said Kirk Dailey, an intellectual property executive at Motorola Mobility.

Microsoft is currently reviewing Motorola’s filing, but maintains confident in its own lawsuit against Motorola.

“We remain confident in our position and will continue to move forward with the complaints we initiated against Motorola in the U.S. District Court for the Western District of Washington and with the International Trade Commission,” said Horacio Gutierrez, Microsoft’s deputy general counsel of intellectual property and licensing.

Motorola’s suit against Microsoft is the latest attack in a series of legal battles between the two former allies. Earlier this week, Microsoft sued Motorola, alleging that Motorola sought unreasonable and excessive royalties for patents used in Microsoft’s Xbox game console and breached industry standards.

The lawsuit came on the heels of another claim, alleging that Motorola infringed upon nine Microsoft patents in its Android handsets, filed by Microsoft in October.

Microsoft and Motorola are not the only technology companies engaged in legal skirmishes with one another. Apple sued Motorola in October, alleging intellectual property infringement. This claim followed an earlier suit Apple filed against HTC.

With the Motorola hitting back against Microsoft’s series of lawsuits with its own claim, the competition between technology companies has two fronts — in the marketplace and in the courtroom.

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