13 years
13 years
yes. The applicant may request that the patent application be changed from an invention to a utility model before the publication of the patent application but no later than the grant decision.
20 years, inventions of pharmaceuticals, agrochemicals and pesticides can enjoy a maximum patent term extension of 5 years.
Reinstatement of priority on grounds of "due care" accepted.
The novelty grace period is 6 months before the filing date/priority date.
Reinstatement of priority is accepted on grounds of "due care".
no
The initial protection is 5 years, which can be renewed every 5 years, up to a maximum of 25 years.
12-18 months
- via Paris Convention : 12 months from earliest priority date.
- via Nationalization of PCT : 31 months from earliest priority date.