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CPC Main Group Additional Only
C07K 2319/00

Fusion polypeptide

Filing statistics

CPC C07K 2319/00 belongs to the parent subclass C07K, which recorded 553,807 patent applications worldwide between 2013 and 2023. Annual filings grew from 35,543 in 2013 to 47,309 in 2023 (+33%), peaking at 62,417 applications in 2021. 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

17 direct subcodes

Child Classifications

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  • C07K 2319/30 Non-immunoglobulin-derived peptide or protein having an immunoglobulin constant or Fc region, or a fragment thereof, attached thereto
  • C07K 2319/31 fusions, other than Fc, for prolonged plasma life, e.g. albumin
  • C07K 2319/32 fusions with soluble part of a cell surface receptor, "decoy receptors"
  • C07K 2319/33 fusions for targeting to specific cell types, e.g. tissue specific targeting, targeting of a bacterial subspecies
  • C07K 2319/35 containing a fusion for enhanced stability/folding during expression, e.g. fusions with chaperones or thioredoxin
  • C07K 2319/50 containing protease site
  • C07K 2319/55 containing a fusion with a toxin, e.g. diphteria toxin
  • C07K 2319/60 containing spectroscopic/fluorescent detection, e.g. green fluorescent protein [GFP]
  • C07K 2319/61 containing an enzyme fusion for detection (lacZ, luciferase)
  • C07K 2319/85 containing an RNA binding domain
  • C07K 2319/95 containing a motif/fusion for degradation (ubiquitin fusions, PEST sequence)

Top Applicants

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

  1. ROCHE CH 12,683
  2. NOVARTIS CH 10,775
  3. CHINESE ACADEMY OF SCIENCES 10,619
  4. BASF (BADISCHE ANILIN & SODA FABRIK) DE 9,511
  5. REGENERON PHARMACEUTICALS US 8,426
  6. BRISTOL-MYERS SQUIBB COMPANY US 7,979
  7. LG CHEM KR 7,978
  8. HARVARD UNIVERSITY US 7,706
  9. UNIVERSITY OF CALIFORNIA US 7,455
  10. SINOPEC (CHINA PETROCHEMICAL CORPORATION) 7,219