RNA viruses

Introduced: January 1995

Last revised: January 2026

Full Title

Immunoglobulins [IG], e.g. monoclonal or polyclonal antibodies > against material from viruses > RNA viruses

Classification Context

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

Filing statistics

IPC C07K 16/1 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

6 direct subcodes

Child Classifications

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C07K 16/102 Coronaviridae (F)
C07K 16/106 Picornaviridae (F), e.g. hepatitis A virus
C07K 16/108 Orthomyxoviridae (F), e.g. influenza virus
C07K 16/11 Paramyxoviridae (F); Pneumoviridae (F), e.g. respiratory syncytial virus [RSV]
C07K 16/112 Retroviridae (F), e.g. leukemia viruses
C07K 16/116 Togaviridae (F); Matonaviridae (F); Flaviviridae (F)

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