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Microsoft FAT patent loss endangers its Android revenue

This may sound like a minor patent. It’s not. Microsoft has been using this patent since 2003 to pressure Linux and Android companies that use the popular FAT file system for compatibility with other operating systems.

Just how important is it? In July 2012, Microsoft got a German court to give them the right to ban all Motorola Android device sales in Germany because of it. Microsoft has also used this, and other FAT patents, to get numerous Android vendors to sign patent-licensing agreements.

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