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IPC Subgroup
C07K 5/02

containing at least one abnormal peptide link

Introduced: January 1985

Last revised: January 2006

Full Title

Peptides having up to four amino acids in a fully defined sequence; Derivatives thereof > containing at least one abnormal peptide link

Classification Context

Section:
CHEMISTRY; METALLURGY
Class:
ORGANIC CHEMISTRY
Subclass:
PEPTIDES

Filing statistics

IPC C07K 5/02 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

5 direct subcodes

Child Classifications

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  • C07K 5/023 in which at least a beta-amino acid is involved
  • C07K 5/027 in which at least a gamma-amino acid is involved, e.g. statine
  • C07K 5/03 in which at least a delta-amino acid is involved, e.g. isosteres
  • C07K 5/033 in which at least an epsilon- or zeta-amino acid is involved
  • C07K 5/037 the abnormal link being formed by the side chain of an alpha-amino acid, e.g. gamma-Glu, epsilon-Lys, glutathione

Top Applicants

Top 10 applicants by patent filingsfor class C07, 2013–2023, worldwide · Source: EPO PATSTAT

  1. CHINESE ACADEMY OF SCIENCES 12,697
  2. ROCHE CH 11,347
  3. SINOPEC (CHINA PETROCHEMICAL CORPORATION) 11,024
  4. NOVARTIS CH 9,356
  5. BASF (BADISCHE ANILIN & SODA FABRIK) DE 8,531
  6. BRISTOL-MYERS SQUIBB COMPANY US 7,320
  7. LG CHEM KR 7,245
  8. REGENERON PHARMACEUTICALS US 6,816
  9. HARVARD UNIVERSITY US 6,190
  10. GENENTECH US 5,922