The Speed Dial Screen ........................................................................................................................ 13. Working in the Speed Dial Screen ........................................................................................................ 14. Managing Your Speed Dial List ...........................................................................................................
(As of year 2005). Answer: Utility and plant patents are granted for a term which begins with the date of the grant and usually ends 20 years from the date the applications were filed. You must make the timely payment of the appropriate maintenance fees. Design patents last 14 years from the date you are granted the patent. No maintenance fees are required for design patents.
How long do patents last? Today, patents last 20 years from the filing date of the application. For patents that existed before June 8, 1995, the duration of the patent was 17 years from the issuance of the patent or 20 years from the filing date, whichever was longer.