IPC Main Group
C07K 11/00 Depsipeptides having up to 20 amino acids in a fully defined sequence; Derivatives thereof
Introduced: January 1985
Last revised: January 2006
Classification Context
- Section:
- CHEMISTRY; METALLURGY
- Class:
- ORGANIC CHEMISTRY
- Subclass:
- PEPTIDES
Filing statistics
IPC C07K 11/00 belongs to the parent subclass C07K, which recorded 434,419 patent applications worldwide between 2013 and 2023. Annual filings grew from 29,263 in 2013 to 39,574 in 2023 (+35%), peaking at 47,586 applications in 2021. The most active applicants in class C07 are CHINESE ACADEMY OF SCIENCES (12,697 applications), ROCHE (11,347 applications) and SINOPEC (CHINA PETROCHEMICAL CORPORATION) (11,024 applications).
Source: EPO PATSTAT, worldwide filings
1 direct subcode
Child Classifications
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- C07K 11/02 cyclic, e.g. valinomycins
Top Applicants
Top 10 applicants by patent filingsfor class C07, 2013–2023, worldwide · Source: EPO PATSTAT
- CHINESE ACADEMY OF SCIENCES 12,697
- ROCHE CH 11,347
- SINOPEC (CHINA PETROCHEMICAL CORPORATION) 11,024
- NOVARTIS CH 9,356
- BASF (BADISCHE ANILIN & SODA FABRIK) DE 8,531
- BRISTOL-MYERS SQUIBB COMPANY US 7,320
- LG CHEM KR 7,245
- REGENERON PHARMACEUTICALS US 6,816
- HARVARD UNIVERSITY US 6,190
- GENENTECH US 5,922