Skip to content
Search Classifications
Search for IPC and CPC classification codes or keywords
CPC Class Not Allocatable
A23

FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES

Description

A23 encompasses the preparation, processing, treatment, and preservation of food products and non-alcoholic beverages across all stages from raw materials to finished consumer products. The class covers manufacturing technologies including cooking, mixing, fermentation, drying, freezing, and chemical preservation methods, as well as equipment and apparatus used in food production facilities. It includes innovations in food safety, quality control, nutritional enhancement, and shelf-life extension, but excludes alcoholic beverages (covered by C12C) and agricultural production methods for growing crops or raising animals (covered by A01).

Filing statistics

CPC A23 recorded 936,758 patent applications worldwide between 2013 and 2023, summed across its 11 subclasses. Annual filings grew from 57,505 in 2013 to 63,079 in 2023 (+10%), peaking at 119,080 applications in 2018. The most active applicants in class A23 are NESTLE (5,075 applications), NESTEC (3,916 applications) and DSM IP ASSETS (DUTCH STATE MINES IP ASSETS) (2,558 applications).

Source: EPO PATSTAT, worldwide filings

11 direct subcodes

Child Classifications

Navigate with arrow keys, Enter to open

Top Applicants

Top 10 applicants by patent filings, 2013–2023, worldwide · Source: EPO PATSTAT

  1. NESTLE CH 5,075
  2. NESTEC CH 3,916
  3. DSM IP ASSETS (DUTCH STATE MINES IP ASSETS) NL 2,558
  4. JIANGNAN UNIVERSITY 2,196
  5. SUNTORY HOLDINGS JP 2,133
  6. CJ CHEILJEDANG CORPORATION KR 1,842
  7. CARGILL US 1,708
  8. REPUBLIC OF KOREA (RURAL DEVELOPMENT ADMINISTRATION) KR 1,341
  9. CHINESE ACADEMY OF SCIENCES 1,279
  10. MARS US 1,161