CPC Subgroup
C12Y 305/02 in cyclic amides (3.5.2)
Full Title
Hydrolases acting on carbon-nitrogen bonds, other than peptide bonds (3.5) > in cyclic amides (3.5.2)
Filing statistics
CPC C12Y 305/02 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
18 direct subcodes
Child Classifications
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- C12Y 305/02001 Barbiturase (3.5.2.1)
- C12Y 305/02002 Dihydropyrimidinase (3.5.2.2), i.e. hydantoinase
- C12Y 305/02003 Dihydroorotase (3.5.2.3)
- C12Y 305/02004 Carboxymethylhydantoinase (3.5.2.4)
- C12Y 305/02005 Allantoinase (3.5.2.5)
- C12Y 305/02006 Beta-lactamase (3.5.2.6)
- C12Y 305/02007 Imidazolonepropionase (3.5.2.7)
- C12Y 305/02009 5-Oxoprolinase (ATP-hydrolysing) (3.5.2.9)
- C12Y 305/0201 Creatininase (3.5.2.10)
- C12Y 305/02011 L-Lysine-lactamase (3.5.2.11)
- C12Y 305/02012 6-Aminohexanoate-cyclic-dimer hydrolase (3.5.2.12)
- C12Y 305/02013 2,5-Dioxopiperazine hydrolase (3.5.2.13)
- C12Y 305/02014 N-Methylhydantoinase (ATP-hydrolyzing) (3.5.2.14)
- C12Y 305/02015 Cyanuric acid amidohydrolase (3.5.2.15)
- C12Y 305/02016 Maleimide hydrolase (3.5.2.16)
- C12Y 305/02017 Hydroxyisourate hydrolase (3.5.2.17)
- C12Y 305/02018 Enamidase (3.5.2.18)
- C12Y 305/02019 Streptothricin hydrolase (3.5.2.19)
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