Who owns the GRETHANK trademark?

The GRETHANK trademark is owned by Tianjiang Sun.

What class is the GRETHANK trademark registered in?

The GRETHANK trademark is registered in Class 028 (Games, toys & sporting goods).

What is the serial number for GRETHANK?

The USPTO serial number for GRETHANK is 99388732.

What is the registration number for GRETHANK?

GRETHANK is registered under USPTO registration number 8221007.

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Updated Oct 3, 2026·13 searches this week

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USPTO Trademark Record

REGISTERED

GRETHANK

SN 99388732·Reg 8221007·Filed Sep 11, 2025

Owner Tianjiang Sun

Games, toys and playthings; video game apparatus; gymnastic and sporting articles; decorations for Christmas trees.

GRETHANK (Serial No. 99388732), Registration No. 8221007, is a registered US trademark filed on Sep 11, 2025 by Tianjiang Sun. This trademark covers Class 028 (Games, toys & sporting goods).

early section 8: April 21, 2032

Conflict Analysis

Full conflict analysis for GRETHANK (SN 99388732) against the USPTO database with detailed risk factor explanations. AI-powered — takes ~1-2 min.

Mark Intelligence

GRETHANK (Reg. #8221007) is a registered US trademark that has been protecting its owner, Tianjiang Sun, since 2025. The mark covers Class 028 (Games, toys & sporting goods). Goods and services include Games, toys and playthings; video game apparatus; gymnastic and sporting articles; decorations for Christmas trees.. The mark faced 1 opposition proceeding during prosecution.

FILED

Sep 11, 2025

SERIAL

99388732

REG#

8221007

REGISTERED

Apr 21, 2026

Filing Information

StatusREGISTERED

Filing DateSep 11, 2025

Serial Number99388732