20 years
no
The initial protection is 5 years, which can be renewed 4 times, each time for 5 years, and the maximum protection can be 25 years.
IGE/IPI conducts formal and substantive examinations of invention patent applications. The applicant does not need to file a separate request for substantive examination. Before commencing the substantive examination, IGE/IPI will send an examination bill, which will indicate the deadline for payment of the prescribed fees. Patents granted in Switzerland are automatically protected in Liechtenstein.
no
Novelty grace period is available if the design is disclosed by the designer or the designer's representative within 12 months before the application to IGE/IPI.
20 years
- via Paris Convention : 12 months from earliest priority date.
- via Nationalization of PCT : 30 months from the earliest priority date.
- Validation of European Patent in EPO member states: 3 months from the date of European patent grant
3-5 years
Reinstatement of priority is accepted on grounds of "due care."
no