CPC Subgroup
C12Y 301/03 Phosphoric monoester hydrolases (3.1.3)
Full Title
Hydrolases acting on ester bonds (3.1) > Phosphoric monoester hydrolases (3.1.3)
Filing statistics
CPC C12Y 301/03 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
85 direct subcodes
Child Classifications
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- C12Y 301/03001 Alkaline phosphatase (3.1.3.1)
- C12Y 301/03002 Acid phosphatase (3.1.3.2)
- C12Y 301/03003 Phosphoserine phosphatase (3.1.3.3)
- C12Y 301/03004 Phosphatidate phosphatase (3.1.3.4)
- C12Y 301/03005 5'-Nucleotidase (3.1.3.5)
- C12Y 301/03006 3'-Nucleotidase (3.1.3.6)
- C12Y 301/03007 3'(2'),5'-Bisphosphate nucleotidase (3.1.3.7)
- C12Y 301/03008 3-Phytase (3.1.3.8)
- C12Y 301/03009 Glucose-6-phosphatase (3.1.3.9)
- C12Y 301/0301 Glucose-1-phosphatase (3.1.3.10)
- C12Y 301/03011 Fructose-bisphosphatase (3.1.3.11)
- C12Y 301/03012 Trehalose-phosphatase (3.1.3.12)
- C12Y 301/03013 Bisphosphoglycerate phosphatase (3.1.3.13)
- C12Y 301/03014 Methylphosphothioglycerate phosphatase (3.1.3.14)
- C12Y 301/03015 Histidinol-phosphatase (3.1.3.15)
- C12Y 301/03016 Phosphoprotein phosphatase (3.1.3.16), i.e. calcineurin
- C12Y 301/03017 [Phosphorylase] phosphatase (3.1.3.17)
- C12Y 301/03018 Phosphoglycolate phosphatase (3.1.3.18)
- C12Y 301/03019 Glycerol-2-phosphatase (3.1.3.19)
- C12Y 301/0302 Phosphoglycerate phosphatase (3.1.3.20)
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