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  • Invention - special period of 20 years from the filing date - on the filing date of 3 years from the first year annual fee
  • New - special period of 10 years from the filing date - Chapter 4, 7, 9 -year annual fee
  • New style - dedicated period of 20 years from the filing date - pay once every 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