CPC Subgroup
C12Y 501/01 acting on amino acids and derivatives (5.1.1)
Full Title
Racemaces and epimerases (5.1) > acting on amino acids and derivatives (5.1.1)
Filing statistics
CPC C12Y 501/01 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
18 direct subcodes
Child Classifications
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- C12Y 501/01001 Alanine racemase (5.1.1.1)
- C12Y 501/01002 Methionine racemase (5.1.1.2)
- C12Y 501/01003 Glutamate racemase (5.1.1.3)
- C12Y 501/01004 Proline racemase (5.1.1.4)
- C12Y 501/01005 Lysine racemase (5.1.1.5)
- C12Y 501/01006 Threonine racemase (5.1.1.6)
- C12Y 501/01007 Diaminopimelate epimerase (5.1.1.7)
- C12Y 501/01008 4-Hydroxyproline epimerase (5.1.1.8)
- C12Y 501/01009 Arginine racemase (5.1.1.9)
- C12Y 501/0101 Amino-acid racemase (5.1.1.10)
- C12Y 501/01011 Phenylalanine racemase (ATP-hydrolyzing) (5.1.1.11)
- C12Y 501/01012 Ornithine racemase (5.1.1.12)
- C12Y 501/01013 Aspartate racemase (5.1.1.13)
- C12Y 501/01014 Nocardicin-A epimerase (5.1.1.14)
- C12Y 501/01015 2-Aminohexano-6-lactam racemase (5.1.1.15)
- C12Y 501/01016 Protein-serine epimerase (5.1.1.16)
- C12Y 501/01017 Isopenicillin-N epimerase (5.1.1.17)
- C12Y 501/01018 Serine racemase (5.1.1.18)
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