Filing a provisional patent lets inventors secure an early filing date without needing detailed claims or oaths. A priority date patent establishes the priority date as the earliest date an application may claim precedence.Filed application for patent filed in the United States may claim the benefit of, or priority to, a prior application filed in the United States. Usually, the first application is a U.S. provisional application. Getting a patent in Florida is the same as any other state. The patent application is filed with the United States Patent and Trademark Office (USPTO). You keep the priority date from your earlier nonprovisional application. The filing date is the date when a patent application is first filed at a patent office. The priority date, sometimes called the "effective filing date", Florida Courts E-Filing Portal.