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CPC Subclass Not Allocatable
C12J

VINEGAR; PREPARATION OR PURIFICATION THEREOF

Description

C12J covers the production, preparation, and purification of vinegar through fermentation and processing methods. This includes acetic acid fermentation processes, starter cultures, fermentation vessels, oxidation techniques, and purification or concentration steps to achieve desired acidity and quality standards. The classification encompasses both traditional and modern vinegar manufacturing approaches, including rapid fermentation methods and treatment of fermentation byproducts.

Filing statistics

CPC subclass C12J recorded 4,472 patent applications worldwide between 2013 and 2023. Annual filings grew from 142 in 2013 to 244 in 2023 (+72%), peaking at 804 applications in 2016. The most active applicants in class C12 are HARVARD UNIVERSITY (8,321 applications), CHINESE ACADEMY OF SCIENCES (7,486 applications) and UNIVERSITY OF CALIFORNIA (7,320 applications).

Source: EPO PATSTAT, worldwide filings

1 direct subcode

Child Classifications

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Top Applicants

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

  1. HARVARD UNIVERSITY US 8,321
  2. CHINESE ACADEMY OF SCIENCES 7,486
  3. UNIVERSITY OF CALIFORNIA US 7,320
  4. REGENERON PHARMACEUTICALS US 5,003
  5. INSERM (INSTITUT NATIONAL DE LA SANTE ET DE LA RECHERCHE MEDICALE) FR 4,292
  6. UNIVERSITY OF PENNSYLVANIA US 4,213
  7. CNRS (CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE) FR 4,113
  8. JIANGNAN UNIVERSITY 3,961
  9. ROCHE CH 3,792
  10. ILLUMINA US 3,692