Preparation of oxygen-containing organic compounds

Introduced: January 1980

Last revised: January 2006

Classification Context

Section:: CHEMISTRY; METALLURGY
Class:: BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
Subclass:: FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE

Filing statistics

IPC C12P 7/00 belongs to the parent subclass C12P, which recorded 146,875 patent applications worldwide between 2013 and 2023. Annual filings declined from 13,680 in 2013 to 13,214 in 2023 (-3%), peaking at 14,303 applications in 2022. The most active applicants in class C12 are CHINESE ACADEMY OF SCIENCES (10,330 applications), HARVARD UNIVERSITY (7,308 applications) and UNIVERSITY OF CALIFORNIA (6,383 applications).

Source: EPO PATSTAT, worldwide filings

6 direct subcodes

Child Classifications

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C12P 7/02 containing a hydroxy group
C12P 7/24 containing a carbonyl group
C12P 7/4 containing a carboxyl group
C12P 7/62 Carboxylic acid esters
C12P 7/64 Fats; Fatty oils; Ester-type waxes; Higher fatty acids, i.e. having at least seven carbon atoms in an unbroken chain bound to a carboxyl group; Oxidised oils or fats
C12P 7/66 containing the quinoid structure

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