Who owns the CHONK trademark?

The CHONK trademark is owned by Castro Labs, Inc..

What is the serial number for CHONK?

The USPTO serial number for CHONK is 99428066.

What is the registration number for CHONK?

CHONK is registered under USPTO registration number 8321620.

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Updated Sep 24, 2026·23 searches this week

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USPTO Trademark Record

REGISTERED

CHONK

Q: What class is the CHONK trademark registered in?

The CHONK trademark is registered in Class 025 (Clothing, footwear & headgear), Class 045 (Legal, security & personal social services).

SN 99428066·Reg 8321620·Filed Oct 04, 2025

Owner Castro Labs, Inc.

Clothing, footwear, headwear.; Legal services; security services for the physical protection of tangible property and individuals; dating services, online social networking services; funerary services; babysitting.

CHONK (Serial No. 99428066), Registration No. 8321620, is a registered US trademark filed on Oct 04, 2025 by Castro Labs, Inc.. This trademark covers Class 025 (Clothing, footwear & headgear), Class 045 (Legal, security & personal social services).

early section 8: June 30, 2032

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Mark Intelligence

CHONK (Reg. #8321620) is a registered US trademark that has been protecting its owner, Castro Labs, Inc., since 2025. The mark covers Class 025 (Clothing, footwear & headgear) and Class 045 (Legal, security & personal social services) respectively. Goods and services include Clothing, footwear, headwear.; Legal services; security services for the physical protection of tangible property and in.... The mark faced 1 opposition proceeding during prosecution.

FILED

Oct 04, 2025

SERIAL

99428066

REG#

8321620

REGISTERED

Jun 30, 2026

Filing Information

StatusREGISTERED

Filing DateOct 04, 2025

Serial Number99428066

Registration No.8321620

Registration DateJun 30, 2026

Status DateJun 30, 2026

Published for OppositionMay 12, 2026

Filing Basis & Declarations

Standard Characters ClaimedFiled as Use ApplicationUse Application CurrentlyTrademark

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 025Clothing, footwear & headgear

US codes: 022, 039

First use anywhere: Jul 01, 2025

First use in commerce: Jul 01, 2025

Clothing, footwear, headwear.

Class 045Legal, security & personal social services

US codes: 100, 101

First use anywhere: Jul 01, 2025

First use in commerce: Jul 01, 2025

Legal services; security services for the physical protection of tangible property and individuals; dating services, online social networking services; funerary services; babysitting.

This description is as filed with the USPTO and defines the scope of trademark protection.