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Lottery supplier files lawsuit

Tuesday, May 10, 2005 | 10:54 a.m.

Scientific Games Corp., the world's biggest supplier of instant lottery tickets, said it filed a patent-infringement lawsuit against Gtech Holdings Inc. over online lottery games that have an optional bonus wager. Scientific Games claims that Gtech infringes on two Scientific Games patents in services it provides for Rhode Island Lottery's Powerball Power Play and Keno Plus games. Gtech controls about 72 percent of the market for online lottery systems, according to Scientific Games' annual report.

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