All states party to the Treaty are obliged to recognize microorganisms deposited as a part of the patent procedure, irrespective of where the depository authority is located.
In practice this means that the requirement to submit microorganisms to each and every national authority in which patent protection is sought no longer exists.
The deposits are made at an international depositary authority (IDA) in accordance with the rules of the Treaty on or before the filing date of the complete patent application.
[7] On April 25, 2024, there were 50 such authorities: seven in the United Kingdom, four in the Republic of Korea, three in China, India, Italy, Poland and the United States of America, two each in Australia, Japan, the Russian Federation and Spain, and one each in Belgium, Bulgaria, Canada, Chile, the Czech Republic, Finland, France, Germany, Hungary, Latvia, Mexico, Morocco, the Netherlands (Kingdom of the), Portugal, Slovakia and Switzerland.
The range of materials able to be deposited under the Budapest Treaty includes: There are many types of expression systems: bacterial; yeast; viral; plant or animal cell cultures;