CPC Subgroup
C12Y 304/14 Dipeptidyl-peptidases and tripeptidyl-peptidases (3.4.14)
Full Title
Hydrolases acting on peptide bonds, i.e. peptidases (3.4) > Dipeptidyl-peptidases and tripeptidyl-peptidases (3.4.14)
Filing statistics
CPC C12Y 304/14 belongs to the parent subclass C12Y, which recorded 144,590 patent applications worldwide between 2013 and 2023. Annual filings grew from 9,773 in 2013 to 11,938 in 2023 (+22%), peaking at 15,970 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
10 direct subcodes
Child Classifications
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- C12Y 304/14001 Dipeptidyl-peptidase I (3.4.14.1), i.e. cathepsin-C
- C12Y 304/14002 Dipeptidyl-peptidase II (3.4.14.2)
- C12Y 304/14004 Dipeptidyl-peptidase III (3.4.14.4)
- C12Y 304/14005 Dipeptidyl-peptidase IV (3.4.14.5)
- C12Y 304/14006 Dipeptidyl-dipeptidase (3.4.14.6)
- C12Y 304/14008 Tripeptidyl peptidase (3.4.14.8) (C12Y304/14009, C12Y304/1401 take precedence)
- C12Y 304/14009 Tripeptidyl-peptidase I (3.4.14.9)
- C12Y 304/1401 Tripeptidyl-peptidase II (3.4.14.10)
- C12Y 304/14011 Xaa-Pro dipeptidyl-peptidase (3.4.14.11)
- C12Y 304/14012 Xaa-Xaa-Pro tripeptidyl-peptidase (3.4.14.12), i.e. prolyltripeptidyl aminopeptidase
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