Restaurant Brands International ( TSX:QSR )( NYSE:QSR ) is an iconic Canadian restaurant company. Restaurant Brands owns valuable intellectual property relating to the company's brands, including trademarks, service marks, patents, industrial designs, copyrights, trade secrets, and other proprietary information. Some of these are of material importance to the company's Tim Hortons (TH), Burger King (BK), and Popeyes (PLK) businesses.