- 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
Reinstatement of priority is accepted on grounds of "due care."
- via Paris Convention : 6 months from earliest priority date.
- Hague Agreement route: 6 months from earliest priority date.
- EU appearance route: 6 months from the earliest priority date.
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.
3-5 years
IGE/IPI only conducts formality examination of design patent applications. No novelty review is performed. Applicants may request a 30-month delay in publication.
no
Novelty grace period applies if the invention is disclosed to the public within six months of the filing date or priority date.
- 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