IPC Subgroup
C12N 15/54 Transferases (2)
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 for enzymes or proenzymes > Transferases (2)
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
Top Applicants
Top 10 applicants by patent filingsfor class C12, 2013–2023, worldwide · Source: EPO PATSTAT
- CHINESE ACADEMY OF SCIENCES 10,330
- HARVARD UNIVERSITY US 7,308
- UNIVERSITY OF CALIFORNIA US 6,383
- JIANGNAN UNIVERSITY 5,144
- MONSANTO TECHNOLOGY US 4,121
- PIONEER HI-BRED INTERNATIONAL US 3,630
- REGENERON PHARMACEUTICALS US 3,515
- CNRS (CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE) FR 3,499
- INSERM (INSTITUT NATIONAL DE LA SANTE ET DE LA RECHERCHE MEDICALE) FR 3,371
- CJ CHEILJEDANG CORPORATION KR 3,361