- 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.
- Luxembourg Invention Patent Application Authorization and Annual Fee Instructions
- Whether a Luxembourg industrial design application can apply for a combined appearance
- How long does it take for a Luxembourg invention patent application to be granted?
- Whether a Luxembourg invention patent application can be type-converted
- What are the requirements for the Luxembourg invention patent application documents?
- Who is the competent authority for patent applications for inventions in Luxembourg?
- Novelty grace period for Luxembourg industrial design applications
- Description of Luxembourg utility model application authorization and annual fee
- Novelty grace period for patent applications in Luxembourg
- Is a Luxembourg design application eligible for DAS?