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Track Sues Announcer Over Patent Rights to Wager

Prairie Meadows is suing track announcer Ken Miller over the patent rights to a "Pick 5" wager Miller conceived and the track plans to offer. The tug-of-war has created such a strain that the Iowa racetrack and casino has suspended Miller, who has called races there since 1989.

Gemstar Stock Crashes 39%

Gemstar-TV Guide International, the parent company of the TV Games Network, lost 39% of its value Monday in a frenzy of selling. Investors reacted to a ruling June 21 that Gemstar's patents for an interactive television program guide have not been infringed by competing products.

Patent Protection Concerns Shake Gemstar-TV Guide Stock

Gemstar-TV Guide International's stock is tumbling this week because of doubts that the company can protect its interactive programming guide patents in a key court case, according to analysts. Gemstar is the parent company to the TV Games Network, a horse racing network and interactive wagering service.

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