CPC Subgroup
C12P 17/14 Nitrogen or oxygen as hetero atom and at least one other diverse hetero ring atom in the same ring
Full Title
Preparation of heterocyclic carbon compounds with only O, N, S, Se or Te as ring hetero atoms (C12P13/04 - C12P13/24 take precedence) > Nitrogen or oxygen as hetero atom and at least one other diverse hetero ring atom in the same ring
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