Immunoglobulins [IG], e.g. monoclonal or polyclonal antibodies

Introduced: January 1995

Last revised: January 2006

Classification Context

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

Filing statistics

IPC C07K 16/00 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

Related Keywords

ANTIBODIESmonoclonal ANTIBODIES

13 direct subcodes

Child Classifications

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C07K 16/02 from eggs
C07K 16/04 from milk
C07K 16/06 from serum
C07K 16/08 against material from viruses
C07K 16/12 against material from bacteria
C07K 16/14 against material from fungi, algae or lichens
C07K 16/16 against material from plants
C07K 16/18 against material from animals or humans
C07K 16/38 against protease inhibitors of peptide structure
C07K 16/4 against enzymes
C07K 16/42 against immunoglobulins (anti-idiotypic antibodies)
C07K 16/44 against material not provided for elsewhere
C07K 16/46 Hybrid immunoglobulins

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