CPC Main Group
C07D 213/00 Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
Filing statistics
CPC C07D 213/00 belongs to the parent subclass C07D, which recorded 539,185 patent applications worldwide between 2013 and 2023. Annual filings declined from 46,693 in 2013 to 39,043 in 2023 (-16%), peaking at 52,900 applications in 2018. The most active applicants in class C07 are ROCHE (12,683 applications), NOVARTIS (10,775 applications) and CHINESE ACADEMY OF SCIENCES (10,619 applications).
Source: EPO PATSTAT, worldwide filings
2 direct subcodes
Child Classifications
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- C07D 213/02 having three double bonds between ring members or between ring members and non-ring members
- C07D 213/90 having more than three double bonds between ring members or between ring members and non-ring members
Top Applicants
Top 10 applicants by patent filingsfor class C07, 2013–2023, worldwide · Source: EPO PATSTAT
- ROCHE CH 12,683
- NOVARTIS CH 10,775
- CHINESE ACADEMY OF SCIENCES 10,619
- BASF (BADISCHE ANILIN & SODA FABRIK) DE 9,511
- REGENERON PHARMACEUTICALS US 8,426
- BRISTOL-MYERS SQUIBB COMPANY US 7,979
- LG CHEM KR 7,978
- HARVARD UNIVERSITY US 7,706
- UNIVERSITY OF CALIFORNIA US 7,455
- SINOPEC (CHINA PETROCHEMICAL CORPORATION) 7,219