CPC Subgroup
C12Y 402/02 acting on polysaccharides (4.2.2)
Full Title
Carbon-oxygen lyases (4.2) > acting on polysaccharides (4.2.2)
Filing statistics
CPC C12Y 402/02 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
25 direct subcodes
Child Classifications
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- C12Y 402/02001 Hyaluronate lyase (4.2.2.1)
- C12Y 402/02002 Pectate lyase (4.2.2.2)
- C12Y 402/02003 Poly(beta-D-mannuronate) lyase (4.2.2.3)
- C12Y 402/02004 Chondroitin ABC lyase (4.2.2.4), i.e. chondroitinase (C12Y402/0202, C12Y402/02021 take precedence)
- C12Y 402/02005 Chondroitin AC lyase (4.2.2.5)
- C12Y 402/02006 Oligogalacturonide lyase (4.2.2.6)
- C12Y 402/02007 Heparin lyase (4.2.2.7), i.e. heparinase I
- C12Y 402/02008 Heparin-sulfate lyase (4.2.2.8)
- C12Y 402/02009 Pectate disaccharide-lyase (4.2.2.9)
- C12Y 402/0201 Pectin lyase (4.2.2.10)
- C12Y 402/02011 Poly(alpha-L-guluronate) lyase (4.2.2.11), i.e. alginase II
- C12Y 402/02012 Xanthan lyase (4.2.2.12)
- C12Y 402/02013 Exo-(1->4)-alpha-D-glucan lyase (4.2.2.13)
- C12Y 402/02014 Glucuronan lyase (4.2.2.14)
- C12Y 402/02015 Anhydrosialidase (4.2.2.15)
- C12Y 402/02016 Levan fructotransferase (DFA-IV-forming) (4.2.2.16)
- C12Y 402/02017 Inulin fructotransferase (DFA-I-forming) (4.2.2.17)
- C12Y 402/02018 Inulin fructotransferase (DFA-III-forming) (4.2.2.18)
- C12Y 402/02019 Chondroitin B lyase (4.2.2.19)
- C12Y 402/0202 Chondroitin-sulfate-ABC endolyase (4.2.2.20)
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