CPC Main Group
C12N 1/00 Microorganisms; Compositions thereof (medicinal preparations containing material from protozoa, bacteria or viruses A61K35/66, from algae A61K36/02, from fungi A61K36/06; preparing medicinal bacterial antigen or antibody compositions, e.g. bacterial vaccines, A61K39/00); Processes of propagating, maintaining or preserving microorganisms or compositions thereof; Processes of preparing or isolating a composition containing a microorganism; Culture media therefor
Filing statistics
CPC C12N 1/00 belongs to the parent subclass C12N, which recorded 645,915 patent applications worldwide between 2013 and 2023. Annual filings grew from 37,975 in 2013 to 61,537 in 2023 (+62%), peaking at 73,818 applications in 2021. The most active applicants in class C12 are HARVARD UNIVERSITY (8,321 applications), CHINESE ACADEMY OF SCIENCES (7,486 applications) and UNIVERSITY OF CALIFORNIA (7,320 applications).
Source: EPO PATSTAT, worldwide filings
16 direct subcodes
Child Classifications
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- C12N 1/02 Separating microorganisms from their culture media
- C12N 1/04 Preserving or maintaining viable microorganisms (immobilised microorganisms C12N11/00)
- C12N 1/06 Lysis of microorganisms
- C12N 1/08 Reducing the nucleic acid content
- C12N 1/10 Protozoa; Culture media therefor
- C12N 1/12 Unicellular algae; Culture media therefor (as new plants A01H13/00)
- C12N 1/14 Fungi (culture of mushrooms A01G18/00; as new plants A01H15/00); Culture media therefor
- C12N 1/20 Bacteria; Culture media therefor
- C12N 1/22 Processes using, or culture media containing, cellulose or hydrolysates thereof
- C12N 1/24 Processes using, or culture media containing, waste sulfite liquor
- C12N 1/26 Processes using, or culture media containing, hydrocarbons (refining of hydrocarbon oils by using microorganisms C10G32/00)
- C12N 1/32 Processes using, or culture media containing, lower alkanols, i.e. C1 to C6
- C12N 1/34 Processes using foam culture
- C12N 1/36 Adaptation or attenuation of cells
- C12N 1/38 Chemical stimulation of growth or activity by addition of chemical compounds which are not essential growth factors; Stimulation of growth by removal of a chemical compound (C12N1/34 takes precedence)
Top Applicants
Top 10 applicants by patent filingsfor class C12, 2013–2023, worldwide · Source: EPO PATSTAT
- HARVARD UNIVERSITY US 8,321
- CHINESE ACADEMY OF SCIENCES 7,486
- UNIVERSITY OF CALIFORNIA US 7,320
- REGENERON PHARMACEUTICALS US 5,003
- INSERM (INSTITUT NATIONAL DE LA SANTE ET DE LA RECHERCHE MEDICALE) FR 4,292
- UNIVERSITY OF PENNSYLVANIA US 4,213
- CNRS (CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE) FR 4,113
- JIANGNAN UNIVERSITY 3,961
- ROCHE CH 3,792
- ILLUMINA US 3,692