CPC Main Group
C07D 217/00 Heterocyclic compounds containing isoquinoline or hydrogenated isoquinoline ring systems
Filing statistics
CPC C07D 217/00 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
3 direct subcodes
Child Classifications
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- C07D 217/02 with only hydrogen atoms or radicals containing only carbon and hydrogen atoms, directly attached to carbon atoms of the nitrogen-containing ring; Alkylene-bis-isoquinolines
- C07D 217/12 with radicals, substituted by hetero atoms, attached to carbon atoms of the nitrogen-containing ring
- C07D 217/22 with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to carbon atoms of the nitrogen-containing ring
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