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Patent Infringement by Bally’s Casino
Slot Machine Bonus Payouts Affirmed

Oct. 12, 2011, 4:00 AM

Casino operator Bally infringed patents covering making bonus payouts at slot machines to its best customers or randomly as promotions, the U.S. Court of Appeals for the Federal Circuit ruled Oct. 5 (IGT v. Bally Gaming International, Fed. Cir., 2010-1364 / 1365, 10/6/11).

Affirming the lower court’s judgments on virtually all points, the appeals court also addressed an instance on which the patent holder sought broader coverage of a claim term while prosecuting a patent but retreated from that construction in litigation. The court held that the claim term at issue, “predefined,” had a clear meaning and the...

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