Endoribonucleases producing 5'-phosphomonoesters (3.1.26)

Full Title

Hydrolases acting on ester bonds (3.1) > Endoribonucleases producing 5'-phosphomonoesters (3.1.26)

Filing statistics

CPC C12Y 301/26 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

13 direct subcodes

Child Classifications

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C12Y 301/26001 Physarum polycephalum ribonuclease (3.1.26.1)
C12Y 301/26002 Ribonuclease alpha (3.1.26.2)
C12Y 301/26003 Ribonuclease III (3.1.26.3)
C12Y 301/26004 Ribonuclease H (3.1.26.4)
C12Y 301/26005 Ribonuclease P (3.1.26.5)
C12Y 301/26006 Ribonuclease IV (3.1.26.6)
C12Y 301/26007 Ribonuclease P4 (3.1.26.7)
C12Y 301/26008 Ribonuclease M5 (3.1.26.8)
C12Y 301/26009 Ribonuclease (poly-(U)-specific)(3.1.26.9)
C12Y 301/2601 Ribonuclease IX (3.1.26.10)
C12Y 301/26011 tRNase Z (3.1.26.11)
C12Y 301/26012 Ribonuclease E (3.1.26.12)
C12Y 301/26013 Retroviral ribonuclease H (3.1.26.13)

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