For the purposes of enforcing the Law on Patents for Inventions, enacted by the Parliament on July 8, 1921, an Industrial Property Bureau was established within the Ministry of Trade, Industry and Labor performing the activities in the field of patent granting and trademark registration. After September 9, 1944, the IP Bureau was transferred to the Ministry of Industry and after 1950 – to the Institute of Inventions and Rationalizations. The Institute for Rationalizations (INRA), established on June 4, 1948 by Decree No 907 of the Presidium of the Parliament. On September 27, 1962 INRA split into two institutes i.e. Institute of Inventions and Rationalizations and Institute of Standardization Measures and Gauges. The Patent Office of the Republic of Bulgaria is the successor of INRA and his name has been chnged with the entering into force of the Patent Law on June 1, 1993.