CPC Subgroup
C12Y 304/21 Serine endopeptidases (3.4.21)
Full Title
Hydrolases acting on peptide bonds, i.e. peptidases (3.4) > Serine endopeptidases (3.4.21)
103 direct subcodes
Child Classifications
Navigate with arrow keys, Enter to open
- C12Y 304/21001 Chymotrypsin (3.4.21.1)
- C12Y 304/21002 Chymotrypsin C (3.4.21.2)
- C12Y 304/21003 Metridin (3.4.21.3)
- C12Y 304/21004 Trypsin (3.4.21.4)
- C12Y 304/21005 Thrombin (3.4.21.5)
- C12Y 304/21006 Coagulation factor Xa (3.4.21.6)
- C12Y 304/21007 Plasmin (3.4.21.7), i.e. fibrinolysin
- C12Y 304/21008 Kallikrein (3.4.21.8) (C12Y304/21034, C12Y304/21035 take precedence)
- C12Y 304/21009 Enteropeptidase (3.4.21.9), i.e. enterokinase
- C12Y 304/2101 Acrosin (3.4.21.10)
- C12Y 304/21011 Elastase (3.4.21.11) (C12Y304/21036, C12Y304/21037 take precedence)
- C12Y 304/21012 Alpha-lytic endopeptidase (3.4.21.12)
- C12Y 304/21014 Microbial serine proteases (3.4.21.14) (C12Y304/21062 - C12Y304/21067 takes precedence)
- C12Y 304/21019 Glutamyl endopeptidase (3.4.21.19)
- C12Y 304/2102 Cathepsin G (3.4.21.20)
- C12Y 304/21021 Coagulation factor VIIa (3.4.21.21)
- C12Y 304/21022 Coagulation factor IXa (3.4.21.22)
- C12Y 304/21025 Cucumisin (3.4.21.25)
- C12Y 304/21026 Prolyl oligopeptidase (3.4.21.26), i.e. proline-specific endopeptidase
- C12Y 304/21027 Coagulation factor XIa (3.4.21.27)
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