CPC Subgroup
C12Y 306/01 in phosphorus-containing anhydrides (3.6.1)
Full Title
Hydrolases acting on acid anhydrides (3.6) > in phosphorus-containing anhydrides (3.6.1)
Filing statistics
CPC C12Y 306/01 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
49 direct subcodes
Child Classifications
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- C12Y 306/01001 Inorganic diphosphatase (3.6.1.1)
- C12Y 306/01002 Trimetaphosphatase (3.6.1.2)
- C12Y 306/01003 Adenosine triphosphatase (3.6.1.3)
- C12Y 306/01005 Apyrase (3.6.1.5), i.e. ATP diphosphohydrolase
- C12Y 306/01006 Nucleoside-diphosphatase (3.6.1.6)
- C12Y 306/01007 Acylphosphatase (3.6.1.7)
- C12Y 306/01008 ATP diphosphatase (3.6.1.8)
- C12Y 306/01009 Nucleotide diphosphatase (3.6.1.9), i.e. nucleotide-pyrophosphatase
- C12Y 306/0101 Endopolyphosphatase (3.6.1.10)
- C12Y 306/01011 Exopolyphosphatase (3.6.1.11)
- C12Y 306/01012 dCTP diphosphatase (3.6.1.12)
- C12Y 306/01013 ADP-ribose diphosphatase (3.6.1.13)
- C12Y 306/01014 Adenosine-tetraphosphatase (3.6.1.14)
- C12Y 306/01015 Nucleoside-triphosphatase (3.6.1.15)
- C12Y 306/01016 CDP-glycerol diphosphatase (3.6.1.16)
- C12Y 306/01017 Bis(5'-nucleosyl)-tetraphosphatase (asymmetrical) (3.6.1.17)
- C12Y 306/01018 FAD diphosphatase (3.6.1.18)
- C12Y 306/01019 Nucleoside-triphosphate diphosphatase (3.6.1.19)
- C12Y 306/0102 5'-Acylphosphoadenosine hydrolase (3.6.1.20)
- C12Y 306/01021 ADP-sugar diphosphatase (3.6.1.21)
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