Patent Filing in Luxembourg
File your PCT national phase application in Luxembourg with the Intellectual Property Office (Luxembourg) through AnalystIP, within 20 months from the priority date. Every requirement below is taken from the WIPO PCT Applicant's Guide and kept up to date by our team.
When is your national phase deadline in Luxembourg?
Enter the earliest priority date of your PCT application (or the international filing date if there is no priority).
Patent filing in Luxembourg: key facts
Reinstatement of rights permitted under the 'due care' criterion; Fee for reinstatement 25 EUR.
No filing fee if the international application was filed with this Office as receiving Office.
20 years from the international filing date
Official fees for patent filing in Luxembourg
Filing in several countries? Compare fees with other countries →
Standard official fees (general)
From the WIPO PCT Applicant's Guide, updated 24 April 2026. Amounts in EUR. Your exact fees depend on your application: use the calculator above.
| Fee | Amount | Notes |
|---|---|---|
| Filing fee | EUR 40 | Within one month after expiry of the Article 22/39(1) time limit |
| 3rd annual fee | EUR 33 | Before the 2nd anniversary of the filing date |
| Fee for reinstatement | EUR 25 |
Fee reductions: No filing fee if the international application was filed with this Office as receiving Office.
National phase entry requirements
Time limit
Under Article 22(1): 20 months from the priority date; under Article 39(1)(a): 30 months from the priority date
Also available through the European Patent Office (31 months).
The 30-month Chapter I limit does not yet apply here; file a Chapter II demand or use the regional route.
Translation
Within one month after expiry of the Article 22/39(1) time limit. Under Article 22: description, claims (if amended, as filed and as amended, with any Article 19 statement), text matter of drawings, abstract. Under Article 39(1): description, claims, text matter of drawings, abstract (as amended by the IPER annexes). Where the application is in English, a translation of the claims into German or French is required.
Late entry and reinstatement
Reinstatement of rights permitted under the 'due care' criterion; Fee for reinstatement 25 EUR. Restoration of priority (Rule 49ter.2) accepted; criteria and fee: refer to the Office.
Agent and power of attorney
Required only if the applicant is not resident in the EEA; patent agents registered in Luxembourg, members of the Luxembourg Bar, or patent agents registered in an EEA member State.
Special requirements of the office
- Name and country of residence of the inventor, if not in the request (may be satisfied by a Rule 4.17 declaration)
- Deed of assignment of priority rights where the applicants are not identical (may be satisfied by a Rule 4.17 declaration)
- Appointment of an agent if the applicant is not resident in the EEA
Other information
- European patent via EP
- Colour drawings accepted
- Special provisions on deposits of microorganisms (Annex L)
Source: WIPO PCT Applicant's Guide, national chapter, updated 24 April 2026.
Patent filing in Luxembourg: questions
What is the deadline for PCT national phase entry in Luxembourg?
20 months from the earliest priority date under Chapter I, and 30 months when a demand for international preliminary examination (Chapter II) was filed.
Can I enter the national phase in Luxembourg after the deadline?
Reinstatement of rights permitted under the 'due care' criterion; Fee for reinstatement 25 EUR. Restoration of priority (Rule 49ter.2) accepted; criteria and fee: refer to the Office.
In which language must the application be filed in Luxembourg?
French or German. Within one month after expiry of the Article 22/39(1) time limit. Under Article 22: description, claims (if amended, as filed and as amended, with any Article 19 statement), text matter of drawings, abstract. Under Article 39(1): description, claims, text matter of drawings, abstract (as amended by the IPER annexes).
Do I need a local patent attorney in Luxembourg?
Required only if the applicant is not resident in the EEA; patent agents registered in Luxembourg, members of the Luxembourg Bar, or patent agents registered in an EEA member State.
Are there official fee reductions in Luxembourg?
No filing fee if the international application was filed with this Office as receiving Office.
How much does patent filing in Luxembourg cost?
The cost is the official fees of the patent office plus professional fees. The standard official fees from WIPO are listed on this page; the calculator works out the exact official fees for your application (pages, claims, applicant type) after a quick email check, and our team sends a full quote on request.
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