The Contracting Parties,
Considering that the universal adoption of a uniform system of classification of patents, inventors’ certificates, utility models and utility certificates is in the general interest and is likely to establish closer international cooperation in the industrial property field, and to contribute to the harmonization of national legislation in that field,
Recognizing the importance of the European Convention on the International Classification of Patents for Invention, of December 19, 1954, under which the Council of Europe created the International Classification of Patents for Invention,
Having regard to the universal value of this Classification, and to its importance to all countries party to the Paris Convention for the Protection of Industrial Property,
Having regard to the importance to developing countries of this Classification, which gives them easier access to the ever-expanding volume of modern technology,
Having regard to Article 19 of the Paris Convention for the Protection of Industrial Property of March 20, 1883, as revised at Brussels on December 14, 1900, at Washington on June 2, 1911, at The Hague on November 6, 1925, at London on June 2, 1934, at Lisbon on October 31, 1958, and at Stockholm on July 14, 1967,
Agree as follows: