• WIPO - May 19, 1970.
• Paris Convention (1883) - June 13, 1921. Latest Act - Stockholm: Articles 1 to 12 - May 19 or 27, 1930.
Articles 13 to 30 - May 27, 1970.
• Berne Convention for the Protection of Literary and Artistic Works - December 5, 1921. Latest Act
- Paris December 4,1974.
• Madrid Agreement for the Repression of False or Deceptive Indications of Source on Goods -
August 12, 1975. Latest Act - Lisbon, August 12, 1975. Supplementary Act of Stockholm - August 12, 1975.
• The Madrid Protocol Relating to the Madrid Agreement Concerning the International Registration
of Marks - June 27, 1989. Bulgaria - October 2, 2001.
• Hague Agreement - concerning the International Deposit of the Industrial Design - December 11, 1996.
Hague Act - December 11, 1996. Complementary Act of Stockholm - December 11, 1996.
• Lisbon Agreement - for the Protection of Appellations of Origin and its International Registrations
- August 12, 1975. - Stockholm Act: August 12, 1975.
• International Convention for the Protection of Performers, Producers of Phonograms and Broad-
casting Organization. Rome Convention (1961) - August 31, 1995.
• Patent Cooperation Treaty (PCT) Washington (1970) - Bulgaria - May 21, 1984.
• Convention for the Protection of Producers of Phonograms against Unauthorized Duplication of
their Phonograms - September 6, 1995.
• Budapest Treaty on the International Recognition of the Deposit of Microorganisms for the
Purposes of Patent Procedure (1977) - August 19, 1980.
• Nairobi Treaty on the Protection of the Olympic Symbol - May 6, 1984.
• International Convention for the Protection of New Varieties of Plants - April 24, 1998. Latest Act -
Geneva - (1991) April 24, 1998.
• Universal Copyright Convention (1952) Text of 1952 - June 7, 1975; Text of 1971 - June 7, 1975.
• European Patent Convention - July 9, 2002.
• Nice Agreement Concerning the International Classification of Goods and Services for the Pur-
poses of the Registration of Marks - June 15, 1957.
• Vienna Agreement Instituting an International Classification of the Figurative Elements of the
Mark - June 12, 1973. Bulgaria - February 27, 2001.
• Agreement on Trade-related Aspects of Intellectual Property Rights (The TRIPs Agreement) - 1994
• EPC - European Patent Convention - 01.01.2007
