The business scope of trademark registration companies mainly involves domestic and international trademark registration, changes, transfer, licensing, renewal, reexamination, response, disputes, infringement litigation, as well as applications for famous trademarks, well-known trademark applications, China's renowned brand trademark registration, China's excellent brands, China's high-quality products, dual guarantee of quality and credibility demonstration units, national standard qualified products that are reliable in quality, consumer-trusted products for worry-free shopping in China, national quality trusted products, and state-authoritative inspected quality qualified products.