For getting the trademark registration done you will file an application to the trademark registrar. The trademark officer will process your application filled and provide you the registration for your trademark which is valid for 10 years and can be renewed indefinitely. Once your trademark registration is done you can use R with your trademark. The renewal of the trademark can be done before the expiry of the mark. The Registrar of Trademark will send you the notice to your registered office before 6 months of expiry of your trademark. Even after the expiry date you can file for renewal of your trademark but within 6-12 Months after the expiry date. The renewal of trademark can be done through COMPLIANCESBIZ.