A number of other competitors filed suit against Edison between 1885–1900 after the U.S. patent commissioner ruled that another inventor had established precedence to an electrical lamp with carbonized paper. The Edison group spent almost $2 million defending itself in court. The protracted legal battles drained the company of capital and kept its focus off of inventing for half a decade. The most important battle began in 1885, when Edison's group filed suit against the United States Electric Company and George Westinghouse, for infringement of the carbon-filament patent. After complex and difficult legislation, the courts eventually upheld Edison's patent in 1891 and again in 1892. Instead of giving up, Westinghouse quickly set about battling Edison in a more effective way: in the marketplace. Westinghouse was a self-taught electrician and inventor whose primary inventions lay in
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This note was uploaded on 12/13/2011 for the course ART 2313 taught by Professor Staff during the Fall '10 term at Texas State.