- via Paris Convention : 6 months from earliest priority date.
 - EU appearance route: 6 months from the earliest priority date.
 - Hague Agreement route: 6 months from earliest priority date.
 
6 months before the filing date/priority date.
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.
5-8 months
- via Paris Convention : 6 months from earliest priority date.
 - EU appearance route: 6 months from the earliest priority date.
 - Hague Agreement route: 6 months from earliest priority date.
 
6 years
OPI does not conduct substantive examination for utility models (short-term patents). If no search is carried out or search reports from other countries are provided, it will only be protected as a short-term patent.
Reinstatement of priority is accepted on grounds of "due care."
no
Luxembourg Intellectual Property Office
English: Luxembourg Intellectual Property Office, Abbreviation: OPI
Website: Ministry of the Economy // The Luxembourg Government (gouvernement.lu)
Luxembourg Invention Patent Search: BPP eRegister (public.ws_lu)