CPC Subgroup
C12Y 305/01 in linear amides (3.5.1)
Full Title
Hydrolases acting on carbon-nitrogen bonds, other than peptide bonds (3.5) > in linear amides (3.5.1)
Filing statistics
CPC C12Y 305/01 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
109 direct subcodes
Child Classifications
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- C12Y 305/01001 Asparaginase (3.5.1.1)
- C12Y 305/01002 Glutaminase (3.5.1.2)
- C12Y 305/01003 Omega-amidase (3.5.1.3)
- C12Y 305/01004 Amidase (3.5.1.4)
- C12Y 305/01005 Urease (3.5.1.5)
- C12Y 305/01006 Beta-ureidopropionase (3.5.1.6)
- C12Y 305/01007 Ureidosuccinase (3.5.1.7)
- C12Y 305/01008 Formylaspartate deformylase (3.5.1.8)
- C12Y 305/01009 Arylformamidase (3.5.1.9)
- C12Y 305/0101 Formyltetrahydrofolate deformylase (3.5.1.10)
- C12Y 305/01011 Penicillin amidase (3.5.1.11), i.e. penicillin-amidohydrolase
- C12Y 305/01012 Biotinidase (3.5.1.12)
- C12Y 305/01013 Aryl-acylamidase (3.5.1.13)
- C12Y 305/01014 Aminoacylase (3.5.1.14)
- C12Y 305/01015 Aspartoacylase (3.5.1.15)
- C12Y 305/01016 Acetylornithine deacetylase (3.5.1.16)
- C12Y 305/01017 Acyl-lysine deacylase (3.5.1.17)
- C12Y 305/01018 Succinyl-diaminopimelate desuccinylase (3.5.1.18)
- C12Y 305/01019 Nicotinamidase (3.5.1.19)
- C12Y 305/0102 Citrullinase (3.5.1.20)
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