What is a trademark? What is a service mark?Up-to-date and authoritative guide to Cambodian trademark law. Information on trademark registration, search, enforcement, renewal and anticounterfeiting. Trademark Application - Application for registration of a trademark or service mark. Rev. There are a few main requirements for USA trademark registration, and applicants should be careful to ensure that they meet these criteria. Learn how to register a trademark in Cambodia with our comprehensive guide. If a trade name is also a service mark or trademark, the trade name is registrable as a service mark or trademark. Amended by: Acts 2011, 82nd Leg. The mark itself, the goods and services with which the mark will be associated, and an owner of the mark should be listed in the application.