Philips Sues Gillette Over Electric Toothbrush Patent

Law360, New York (July 14, 2004, 12:00 AM EDT) -- Dutch consumer electronics group Philips Electronics has sued the Gillette Company in U.S. and German courts for patent infringement to bar Gillette from launching a new electronic toothbrush.

The lawsuits, filed in the U.S. District Court for the District of Delaware and the Landesgericht Dusseldorf in Germany, accuses Gillette of infringing Phillips ā€œpatented sonic technology.ā€

Both products have heads that move back and forth rather than circularly and emit a characteristic buzzing sound.

Philips' sonic technology was granted patents in the US in 1995 and in...
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