CPC technology class · C12

C12J - Vinegar

Vinegar; preparation or purification thereof. 24 US utility patents granted 2015–2025, with the leading assignees and year-by-year grant trajectory.

Compiled by PlainPatent · May 15, 2026

24
US patents granted: #11/12
in C12: 0.0%
C12 class share: +114%
5-yr velocity

The verdict

According to USPTO PatentsView, Vinegar ranks #652 of 670 CPC technology areas - 24 US patents granted since 2015, with recorded grant volume up 114% over five years.

#652
of 670 CPC technology areas: 24
US patents granted, 2015–2025: Purac Biochem Bv
leading assignee (6): +114%
grant velocity, last 5 yrs

How C12J's grant cadence moved

Between 2020–2024, C12J recorded 15 grants versus 7 in 2015–2019 (+114% equal-window velocity). Across complete years, output peaked in 2021 at 5 grants and bottomed in 2017 at 1 (+400% peak-over-trough). Lead assignee Bkon LLC holds 12.5% of the class ; the top three share 20.8%.

Leaderboard read

C12J concentration, lead at 12.5%

Bkon LLC leads this historical grant record at 12.5% of C12J - foreign corporation assignees hold 50% of class grants (3 of 6). Figures describe granted US utility patents in this CPC subclass, not current investment or legal strength.

Leader's share: 12.5%
Top three share: 20.8%
Lead over #2: 2

Where C12J sits inside C12

Among 12 subclasses in C12 (BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; Mutation OR Genetic Engineering), C12J ranks #11 and holds 0.0% of the parent class's 144,620 recorded grants. Sibling chips below are the other subclasses in the same parent class, not the nationwide volume/lead-share peers further down.

C12N 68,530 C12Q 32,189 C12Y 17,214 C12P 13,948 C12M 8,154 C12R 3,107 C12C 506 C12G 389

C12J grants by year, peak 2021 (5)

US utility-patent grants per year in C12J, 2015–2025 - recent five years are up 114% versus 2015–2019.

Bkon

3
Mizkan Holdings

1
öperatie Avebe U A

1
Gold Nanotech

1

What this shows Purac Biochem Bv is the most active filer in C12J, holding 6 of the 24 patents in this class. Concentration at the top signals how contestable this technology area is for new entrants.

View data table

Top patent holders in CPC subclass C12J
Rank	Company	Patents in C12J
#1	Bkon LLC	3
#2	Mizkan Holdings Co., Ltd.	1
#3	Coöperatie Avebe U.A.	1
#4	Gold Nanotech, Inc.	1

Questions about C12J

Which company holds the most patents in C12J?

Purac Biochem BV leads C12J with 6 patents (12.5% of the subclass). By PatentsView assignee type, foreign corporations account for 50% of class grants.

How does C12J compare inside parent class C12?

Inside C12 (BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; Mutation OR Genetic Engineering), C12J ranks #11 of 12 subclasses by grant volume and holds 0.0% of the parent class total. The largest sibling is C12N (68,530 grants).

What to do with this data

C12J in context - here's where to go next.

Bkon LLC leads C12J with 3 grants in this class. See full portfolio
C12J ranks #652 of 670 by grant volume among all tracked CPC technology areas. See the ranking
Inside parent class C12, the largest sibling subclass is C12N with 68,530 grants. Explore C12N

Figures reflect USPTO PatentsView grant data through 2026-05-15; pending applications not yet granted are not counted.

Methodology - C12J figures are USPTO PatentsView granted-utility totals for this subclass (24 grants in the tracked window).

Every figure on PlainPatent is rendered directly from USPTO source data, no number is typed in by an editor. This page draws directly on USPTO source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.