Log in to access forms. Select the type of form listed below for direct links to TEAS and TEASi forms.It's not necessary to be a lawyer in order to apply for a trademark. Anyone can submit a trademark application to the U.S. Patent and Trademark Office (USPTO). The Secretary of State's office maintains registration and all updates of California state trademarks and service marks. Trademark Registration. In the Trademark Electronic Application System (TEAS), we have one initial application form with two filing options: TEAS Plus and TEAS Standard. You can file an application to register your trademark or service mark with an intenttouse (ITU) filing basis. The purpose of marking "patent pending" is to notify the public, businesses, or potential infringers that they may be liable to damages. Welcome to the City of Oakland's online application system.