In filing a patent application and paying required fees, the USPTO provides forms and an electronic filing tool. The purpose of this guide is to provide you with basic information about filing a utility patent application with the USPTO.The answer to the contested question of "should a toilet paper roll face over or under when on the holder?" is answered. The answer is it should face OVER. Getting a patent in Nevada is the same as any other state. The patent application is filed with the United States Patent and Trademark Office (USPTO). What are the 3 common types of patents? They are utility, design, and plant patents. Check out our toilet paper wrapped selection for the very best in unique or custom, handmade pieces from our bathroom decor shops. Nicole (Nutting) Steilman '98 (BS in secondary education with an emphasis in mathematics) pledged her first gift to the University.