CPC Subgroup
C12Y 304/13 Dipeptidases (3.4.13)
Full Title
Hydrolases acting on peptide bonds, i.e. peptidases (3.4) > Dipeptidases (3.4.13)
Filing statistics
CPC C12Y 304/13 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
13 direct subcodes
Child Classifications
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- C12Y 304/13003 Xaa-His dipeptidase (3.4.13.3) (C12Y304/13018, C12Y304/1302 take precedence)
- C12Y 304/13004 Xaa-Arg dipeptidase (3.4.13.4)
- C12Y 304/13005 Xaa-methyl-His dipeptidase (3.4.13.5)
- C12Y 304/13007 Glu-Glu dipeptidase (3.4.13.7)
- C12Y 304/13009 Xaa-Pro dipeptidase (3.4.13.9) i.e. prolidase
- C12Y 304/13011 Dipeptidase (3.4.13.11) (C12Y304/13018, C12Y304/13019 take precedence)
- C12Y 304/13012 Met-Xaa dipeptidase (3.4.13.12)
- C12Y 304/13017 Non-stereospecific dipeptidase (3.4.13.17)
- C12Y 304/13018 Cytosol nonspecific dipeptidase (3.4.13.18), i.e. glycyl-leucine dipeptidase
- C12Y 304/13019 Membrane dipeptidase (3.4.13.19)
- C12Y 304/1302 Beta-Ala-His dipeptidase (3.4.13.20)
- C12Y 304/13021 Dipeptidase E (3.4.13.21)
- C12Y 304/13022 D-Ala-D-Ala dipeptidase (3.4.13.22)
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