We're going to talk about how to file your own trademark application with the united states patent and trademark office. Discover a step-by-step guide on how to register a trademark in California.Protect your brand and intellectual property effectively. Specimens can be in a wide variety of forms. 'Intellectual Property' means intangible assets that are subject to statutory protection under applicable patent, copyright, and trademark law. You can file the application, forms, documents, and pay fees online on the USPTO official site. Under the California Trademark Law, a person must have used the mark in commerce in order to perfect rights in it. The provisional patent application cover sheet is a form that you file with the specification and drawings of your patent application. The provisional patent application cover sheet is a form that you file with the specification and drawings of your patent application. Getting a patent in California is the same as any other state.