Who is the competent authority for patent applications for inventions in Luxembourg?

6 months before the filing date/priority date.

no

• via Paris Convention : 12 months from earliest priority date.
• via Nationalization of PCT : 20 months from the earliest priority date.
• Validation of European Patent in EPO member states: within 3 months from the date of granted of the European invention.

*Luxembourg is one of the only countries in the world that still retain Chapter I for 20 months to enter the national phase (the other is Tanzania). If it takes 30 months to enter the national phase, a request for international preliminary examination must be submitted.

• 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.

Luxembourg Intellectual Property Office

English: Luxembourg Intellectual Property Office, Abbreviation: OPI

Website: Ministry of the Economy // The Luxembourg Government (gouvernement.lu)

Luxembourg Utility Model Patent Search: BPP eRegister (public.ws_lu)

• Licensing Fee: None.
• Annuity: Renewal fee is paid every 5 years (within 12 months before the validity period expires). The annual fee can be deferred up to 6 months after the due date, subject to a late fee of 50.00 EUR.

20 years

yes. A Benelux design application may contain multiple designs, but not more than 50 designs.

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)

Reinstatement of priority is accepted on grounds of "due care."