Administrative tasks related to the Special Union shall be entrusted to the International Bureau. The Director-General may invite and, at the request of the Committee of Experts, representatives of other intergovernmental and international non-governmental organizations to participate in discussions of interest to them. The countries covered by this Convention shall form a special association and adopt a common classification for patents for inventions, inventors` certificates, utility models and utility models known as the “International Patent Classification” (hereinafter referred to as the “Classification”). Any country which does not carry out an examination of immediate or deferred novelty and in which the procedure for granting patents or other types of protection does not provide for a search according to the state of the art may declare that it does not undertake to include the symbols of the groups and subgroups of the classification in the documents and notices referred to in paragraph 3. Where these conditions apply only to certain types of protection or to certain fields of technology, the country concerned may make such a reservation only to the extent that the conditions are met. The International Bureau shall communicate such decisions to the unsused members of the Assembly and shall request them to express their vote or abstention in writing within three months of the date of communication. If, on the expiry of that period, the number of countries which have so cast their votes or abstained reaches the number of countries missing to obtain a quorum at the session itself, such decisions shall take effect, provided that the required majority is attained. three countries which were parties to the Paris Agreement on the protection of industrial property which were not previously parties to the European Convention and at least one of which is a country which, according to the most recent annual statistics published by the International Bureau on the day of deposit of its instrument of ratification or accession, more than 40,000 patent applications or inventors` certificates have been filed. the sale or royalties for publications of the International Bureau on special union; The audit shall be carried out by one or more countries of the Special Union or by external auditors in accordance with the Financial Regulation.
They shall be appointed by the Assembly with their approval. Although only 62 States are parties to the Convention, the IPC is used by the patent offices of more than 100 States, four regional offices and the WIPO Secretariat for the management of the Treaty on International Cooperation in the Field of Patents (PCT) (1970). Korea has joined various international efforts to improve the protection of intellectual property by becoming a member of the following treaties: Classification is essential for the consultation of patented documents when searching for “prior art”. . . .