| Act(s) | Article(s) | Signature | Instrument | Entry into Force |
|---|---|---|---|---|
| Stockholm Act (1967) | July 14, 1967 | Ratification : February 21, 1972 | May 25, 1972 | |
| Nice Act (1957) | June 15, 1957 | Ratification : February 17, 1967 | May 29, 1967 | |
| London Act (1934) | June 2, 1934 | Accession : December 8, 1950 | January 28, 1951 | |
| The Hague Act (1925) | Accession : May 8, 1933 | July 14, 1933 |
Stockholm Act (1967): Pursuant to Article 3bis of the said Act, the Government of Liechtenstein declared that the protection resulting from the international registration shall extend to Liechtenstein only at the express request of the proprietor of the mark. Date of effect: January 1, 1973. (see Madrid (Marks) Notification No. 16)