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IPC Subgroup
C12N 15/4

Proteins from RNA viruses, e.g. flaviviruses

Introduced: January 1990

Last revised: January 2006

Full Title

Mutation or genetic engineering; DNA or RNA concerning genetic engineering, vectors, e.g. plasmids, or their isolation, preparation or purification; Use of hosts therefor > Recombinant DNA-technology > DNA or RNA fragments; Modified forms thereof > Genes encoding microbial proteins, e.g. enterotoxins > Genes encoding viral proteins > Proteins from RNA viruses, e.g. flaviviruses

Classification Context

Section:
CHEMISTRY; METALLURGY
Class:
BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
Subclass:
MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA

7 direct subcodes

Child Classifications

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  • C12N 15/44 Orthomyxoviridae, e.g. influenza virus
  • C12N 15/45 Paramyxoviridae, e.g. measles virus, mumps virus, Newcastle disease virus, canine distemper virus, rinderpest virus, respiratory syncytial viruses
  • C12N 15/46 Reoviridae, e.g. rotavirus, bluetongue virus, Colorado tick fever virus
  • C12N 15/47 Rhabdoviridae, e.g. rabies viruses, vesicular stomatitis virus
  • C12N 15/5 Coronaviridae, e.g. infectious bronchitis virus, transmissible gastroenteritis virus

Top Applicants

Top 10 applicants by patent filingsfor class C12, 2013–2023, worldwide · Source: EPO PATSTAT

  1. CHINESE ACADEMY OF SCIENCES 10,330
  2. HARVARD UNIVERSITY US 7,308
  3. UNIVERSITY OF CALIFORNIA US 6,383
  4. JIANGNAN UNIVERSITY 5,144
  5. MONSANTO TECHNOLOGY US 4,121
  6. PIONEER HI-BRED INTERNATIONAL US 3,630
  7. REGENERON PHARMACEUTICALS US 3,515
  8. CNRS (CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE) FR 3,499
  9. INSERM (INSTITUT NATIONAL DE LA SANTE ET DE LA RECHERCHE MEDICALE) FR 3,371
  10. CJ CHEILJEDANG CORPORATION KR 3,361