The business scope of trademark registration companies mainly involves domestic and international trademark registration, changes, transfer, licensing, renewal, re-examination, response, disputes, infringement litigation, as well as famous trademark applications, well-known trademark applications, China's renowned brand trademark registration, China's excellent brands, China's quality products, dual guarantee of quality and credibility demonstration units, national standard qualified products that consumers can trust, consumer-reassuring shopping quality-trustworthy products, nationwide quality-approved products, and state-authorized inspected quality-qualified products.