Who owns the SIFENYU trademark?

The SIFENYU trademark is owned by Liu, Shuangyuan.

What class is the SIFENYU trademark registered in?

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

What is the serial number for SIFENYU?

The USPTO serial number for SIFENYU is 90249862.

What is the registration number for SIFENYU?

SIFENYU is registered under USPTO registration number 6403194.

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Updated Oct 30, 2026·25 searches this week

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Section 8 declaration window

June 29, 2027

241 days remaining

SIF

SIFENYU

REGISTERED

Serial: 90249862
Reg: 6403194
Filed: Oct 12, 2020
Owner: Liu, Shuangyuan

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

What to file next

Section 8 declaration of continued use

When: Due between the fifth and sixth anniversary of registration.
Extensions and grace: A six-month grace period follows, with an added per-class fee.
If it is missed: A missed Section 8 cancels the registration, and there is no revival route for it.

How the Section 8 deadline works

General information about USPTO practice, not legal advice. The register is the authority, and a filing that has not yet posted can change what is owed.

Full Goods & Services

Class 028Games, toys & sporting goods

US codes: 022, 023, 038, 050

First use anywhere: Sep 01, 2020

First use in commerce: Sep 01, 2020

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

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

Status History

9 events

COURTESY REMINDER - SEC. 8 (6-YR) E-MAILED

Jun 29, 2026

Code REM1

REGISTERED-PRINCIPAL REGISTER

Jun 29, 2021

Code R.PR

PUBLISHED FOR OPPOSITION

Apr 13, 2021

Code PUBO

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Apr 13, 2021

Code NPUB

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Mar 24, 2021

Code NONP

APPROVED FOR PUB - PRINCIPAL REGISTER

Mar 11, 2021

Code CNSA

ASSIGNED TO EXAMINER

Mar 10, 2021

Code DOCK

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Nov 29, 2020

Code NWOS

NEW APPLICATION ENTERED

Oct 15, 2020

Code NWAP

SIFENYU

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