PlainPatent

CPC technology class · A44

A44C - Personal Adornments

Personal adornments, e.g. jewellery; coins. 1,629 US utility patents granted 2015–2025, with the leading assignees and year-by-year filing trajectory.

1,629
US patents granted
A44
Parent CPC class
20
Active assignees
+38%
5-yr velocity

The verdict

Personal Adornments ranks #396 of 670 CPC technology areas - 1,629 US patents granted since 2015, with filing up 38% over five years.

#396
of 670 CPC technology areas
1,629
US patents granted, 2015–2025
Apple
leading assignee (106)
+38%
filing velocity, last 5 yrs
Top assignee: Apple Inc. (106 patents)

CPC subclass A44C - PERSONAL ADORNMENTS, e.g. JEWELLERY; COINS - covers 1,629 US utility patents granted between 2015 and 2025 according to USPTO PatentsView records, within the broader CPC class A44 (HABERDASHERY; JEWELLERY). See our CPC classification guide for how the system works.

The competitive landscape in A44C is shaped by 20 distinct companies actively filing in this space. Apple Inc. leads with 106 patents, followed by Omega Sa at 45 grants and Angel Co., Ltd. at 24.

Filing activity in A44C is up 38% over the past five years versus 2015-2019, a sharp acceleration suggesting an emerging or fast-moving technology area. All counts come directly from USPTO PatentsView and reflect US granted utility patents only.

Is A44C innovation accelerating?

US utility-patent grants per year in A44C, 2015–2025 - recent five years are up 38% versus 2015–2019.

80100120140160180200 20152016201720182019202020212022202320242025 118

Who leads A44C?

The 12 most active assignees in PERSONAL ADORNMENTS, e.g. JEWELLERY; COINS - wider bars mean more grants

patents

What this shows Apple is the most active filer in A44C, holding 106 of the 1,629 patents in this class. Concentration at the top signals how contestable this technology area is for new entrants.

Source USPTO PatentsView, granted utility patents As of 2015–2025 grant years
View data table
Top patent holders in CPC subclass A44C
Rank Company Patents in A44C
#1 The Swatch Group Research And Development Ltd 65
#2 Omega Sa 45
#3 Angel Co., Ltd. 24
#4 Rolex Sa 24
#5 Choon's Design Llc 16
#6 Hello Inc. 15
#7 D. Swarovski KG 15
#8 National Chain Company 14
#9 Frederick Goldman, Inc. 13
#10 Montres Breguet S.a. 12
#11 Comadur Sa 12
#12 Albert Gad Ltd. 11
#13 Blueowl, Llc 10
#14 Angel Playing Cards Co., Ltd. 10
#15 Pandora A/s 10
#16 Patuga Llc 9
#17 ETA Sa Manufacture Horlogère Suisse 8
#18 Crossfor Co., Ltd. 8
#19 Ellansalabs Inc. 8
#20 Cartier International Ag 7

About This Class

CPC subclass A44C belongs to class A44.

1,629 patents were granted in this class between 2015 and 2025.

20 companies actively patent in this space.

Classification System

Cooperative Patent Classification (CPC) is a hierarchical patent classification system used by the USPTO and EPO.

← All Technology Classes Technology Rankings →

Footprint here vs. claim strategy

Each dot is a leading A44C assignee, placed by how many patents it holds in this class (horizontal) against its company-wide average claims per patent (vertical) - a read on whether the class is led by broad-but-shallow filers or focused deep-claim players.

Top 14 A44C assignees by class footprint. Bubble size = patents in A44C. Source: USPTO PatentsView (claim depth is company-wide across all classes).

Top 14 A44C assignees by class footprint. Bubble size = patents in A44C. Source: USPTO PatentsView (claim depth is company-wide across all classes). Scatter plot of 14 data points (bubble-sized by third dimension). 51015202530 020406080 Patents in A44C Avg claims / patent (company-wide) The Swatch Group Rese…OmegaAngelRolexChoon's DesignHelloD Swarovski KgNational ChainFrederick GoldmanMontres BreguetComadurAlbert GadBlueowlAngel Playing Cards
Top 14 A44C assignees by class footprint. Bubble size = patents in A44C. Source: USPTO PatentsView (claim depth is company-wide across all classes).

Frequently Asked Questions

What is CPC class A44C?
CPC subclass A44C covers PERSONAL ADORNMENTS, e.g. JEWELLERY; COINS. It belongs to CPC class A44 (HABERDASHERY; JEWELLERY), with 1,629 US utility patents granted since 2015.
How many patents have been filed in A44C?
1,629 US utility patents were granted in CPC subclass A44C between 2015 and 2025, based on USPTO PatentsView data.
Which company holds the most patents in A44C?
Apple Inc. leads A44C with 106 patents, making it the most active assignee in this technology area.
How is patent data for A44C collected?
Patent data comes from USPTO PatentsView, a public research dataset maintained by the United States Patent and Trademark Office. It covers all US granted utility patents and assigns CPC codes based on the technology described in each patent.
What is the difference between CPC class and subclass?
A CPC class (e.g., A44) is a broad technology category. Subclasses like A44C provide finer granularity within that category. PlainPatent organizes data at the subclass level (4-character codes) for the most useful view of technology domains.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from USPTO PatentsView - official U.S. government patent data. See our methodology for computation details. Retrieved and formatted by PlainPatent Editorial

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.