Denny's Corp is a Delaware Corporation. It operates as a family-style restaurant chain. Denny's, through its wholly-owned subsidiary, Denny's, Inc., owns and operates the Denny's restaurant brand. At December 26, 2012, the Denny's brand consisted of 1,700 franchised, licensed, and company operated restaurants, including 1,599 restaurants in the United States and 101 restaurants in international locations. At year end, 1,537 of its restaurants were franchised/licensed, representing 90% of the total restaurants, and 163 were company operated. The Original Grand Slam, introduced in 1977, remains one of its popular menu items. The Denny's menu offers a large selection of high-quality, moderately priced products designed to appeal to all types of guests. It offers a wide variety of items for breakfast, lunch, and dinner, in addition to appetizers, desserts and beverages. Through its wholly-owned subsidiaries, it has certain trademarks and service marks registered with the United States Patent and Trademark Office and in international jurisdictions, including 'Denny's', 'Grand Slam', '$2 $4 $6 $8 Value Menu' and 'Fit Fare'. It and its franchisees are subject to local, state, federal and international laws and regulations governing various aspects of the restaurant business.