The Director General of the World Intellectual Property Organization (WIPO) presents his compliments to the Minister for Foreign Affairs and has the honor to notify him that the Government of the Swiss Confederation deposited, on September 14, 1977, its instrument of ratification of the Patent Cooperation Treaty (PCT) adopted at Washington on June 19, 1970.
The said instrument of ratification contains the declaration, provided for in Article 64(1)(a), that Chapter II of the said Treaty shall not bind the Swiss Confederation.
The date of entry into force of the said Treaty will be notified when the required number of ratifications of accessions is reached in accordance with Article 63.
September 15, 1977