Good News, Microsoft: Motorola’s Patent Appeal Didn’t Work

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A Google (NASDAQ:GOOG) subsidiary, Motorola Mobility LLC,  took a hit Monday when it lost a bid it made in the U.S. Court of Appeals to invalidate a Microsoft Corp. (NASDAQ:MSFT) patent that granted a ban on U.S. imports of some mobile phones. As a result of the decision, Motorola Mobility has had to concede that it infringed on Microsoft’s patent after previously arguing that the technology wasn’t new.

Motorola Mobility had previously claimed that the inventions covered under Microsoft’s patent were invalid because a similar technology was used in Apple Inc.’s (NASDAQ:AAPL) failed Newton personal digital assistant, which originally began development in 1987 and was available in the early 90s. Some of the electronic engineering and manufacture of the device was undertaken by Motorola.

Microsoft’s patent covers a method the company’s products use to sync calendars with computers; it’s a technology that is part of Microsoft’s ActiveSync software; Motorola Mobility licensed the software before the two companies started feuding. The case over the ActiveSync software is only one facet of a larger war between the two tech giants. Microsoft claims that Google’s Android phones, which are currently dominating the smartphone market, are using their technology.