CPC Main Group
C12N 9/00 Enzymes; Proenzymes; Compositions thereof (preparations containing enzymes for cleaning teeth A61K8/66, A61Q11/00; medicinal preparations containing enzymes or proenzymes A61K38/43; enzyme containing detergent compositions C11D; ); Processes for preparing, activating, inhibiting, separating or purifying enzymes (preparation of malt C12C1/00)
Filing statistics
CPC C12N 9/00 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
11 direct subcodes
Child Classifications
Navigate with arrow keys, Enter to open
- C12N 9/10 Transferases (2.) (ribonucleases C12N9/22)
- C12N 9/14 Hydrolases (3)
- C12N 9/88 Lyases (4.)
- C12N 9/90 Isomerases (5.)
- C12N 9/94 Pancreatin
- C12N 9/96 Stabilising an enzyme by forming an adduct or a composition; Forming enzyme conjugates
- C12N 9/98 Preparation of granular or free-flowing enzyme compositions (C12N9/96 takes precedence)
- C12N 9/99 Enzyme inactivation by chemical treatment
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