http://www.patent.gov.uk/

  • Invention - special period of 20 years from the filing date - to apply for the first five years from the date of payment of the annual fee each year
  • New style - dedicated period of 25 years from the date of registration - malleable 4 times for 5 years
  • Trademarks - exclusive period of 10 years starting from the application date - within six months before the expiry of the rights may apply for extension of a time 10 years