To prepare and follow through on a trade-mark application is a complex process requiring broad knowledge of trade-mark law and practice. Many enterprises choose to leave this task up to the experts: trade-mark agents. Guy & Muzzo is a Canadian trade-mark firm whose agents can help your business with all its trade-mark needs. Our agents are also authorized to practice before the United States Patent and Trademark Office. Our network of specialists throughout the world can help you protect your trade-marks wherever you're doing business.