What are the requirements for the utility model application documents in Luxembourg?

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OPI conducts only formality examination of invention patent applications. The applicant needs to file a search request within 18 months from the filing date, or submit a search report issued by any official search agency within 18 months from the priority date, and the judgment of novelty in the search report does not affect the Luxembourg patent granted.

6 years

• Authorization Fee: None
• Annuity: pay year by year from the third year from the application date, and the payment deadline for the annual fee is the end of the month corresponding to the application date. If the annual fee is overdue, it can be paid within a grace period of 6 months, and a late fee of 20.00 Euros should be paid at the same time.

• 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.

20 years

• Authorization Fee: None
• Annuity: pay year by year from the third year from the application date, and the payment deadline for the annual fee is the end of the month corresponding to the application date. If the annual fee is overdue, it can be paid within a grace period of 6 months, and a late fee of 20.00 Euros should be paid at the same time.

The novelty grace period is 12 months before the filing date/priority date.

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