PRICELINE, PRICELINE.COM, NAME YOUR OWN PRICE, THE NEGOTIATOR, PRICELINE NEGOTIATOR, EXPRESS DEALS, PRICEBREAKERS, and TONIGHT-ONLY DEALS are service marks or registered service marks of priceline.com LLC. U.S. Patents 5,794,207; 5,897,620; 6,085,169; 6,510,418; 6,553,346; 6,993,503; 7,188,176; 7,203,660; 7,386,508; 7,472,074; 7,516,089; 7,617,491; 7,620,619; 7,664,672 and 7,848,940.