1) Preamble, which gives basic information regarding the application (applicant name, patent title, brief description, etc.). The claim or claims must particularly point out and distinctly claim the subject matter that the inventor or inventors regard as the invention.A patent example is a sample of a patent that has already been granted to someone. A patent example is useful for someone who is applying for a patent. This page provides information on the types of patents and types of patent applications, and the examination process. The drawings must also show all claimed elements. To obtain a patent in the United States, an inventor or applicant must file a patent application with the United States Patent and Trademark Office (USPTO). Online courses allow students to work full time while completing a Professional Certificate in Patent Law.