What is the biological preservation certificate in the patent?

Among them, patent applications involve biological materials (such as plasmids, bacteria, fungi, algae, animal and plant cell lines, etc.). ) If it has never been made public before, the preservation and survival certificate of biological materials issued by its accreditation unit shall be submitted to China National Intellectual Property Administration at the same time as the patent application or within four months from the date of application. China National Intellectual Property Administration recognized domestic preservation unit: China Metallurgical Group; General Microbiology Center of China Microbial Culture Preservation Management Committee; China Type Culture Collection Center; Located in Wuhan; And the newly-added Guangdong Microbial Germplasm Resources Preservation Center GDMCC.