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Nation Briefs

Britannica sues TomTom, Magellan over map patents Encyclopaedia Britannica, publisher of the 32-volume reference work first sold in 1768, sued TomTom and Magellan Navigation, claiming they infringed patents for a computerized map-viewing system. Chicago-based Encyclopaedia Britannica asked a federal judge in Madison, Wis., to block TomTom and Magellan from selling products that use the technology in ...

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