CPC Main Group
C07D 227/00 Heterocyclic compounds containing rings having one nitrogen atom as the only ring hetero atom, according to more than one of groups C07D203/00 - C07D225/00
Filing statistics
CPC C07D 227/00 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 227/02 with only hydrogen or carbon atoms directly attached to the ring nitrogen atom
- C07D 227/12 with hetero atoms directly attached to the ring nitrogen atom
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