Filing a patent involves several steps, starting with a thorough patent search to ensure the invention is indeed novel. The next step is to prepare a patent application, which includes a detailed description of the invention, claims defining the scope of the patent, and any necessary drawings. This application is then filed with the relevant patent office, such as the United States Patent and Trademark Office (USPTO). The application undergoes examination, where a patent examiner reviews it to ensure it meets all legal requirements. If approved, the patent is granted, and the inventor secures exclusive rights.