Who owns the OSTSO trademark?

The OSTSO trademark is owned by Hu Yanru.

What class is the OSTSO trademark registered in?

The OSTSO trademark is registered in Class 021 (Household utensils, cookware & glassware).

What is the serial number for OSTSO?

The USPTO serial number for OSTSO is 90459667.

What is the registration number for OSTSO?

OSTSO is registered under USPTO registration number 6636400.

Sealvo

Home Search: OSTSOOSTSO #90459667

Back

Updated Sep 29, 2026·9 searches this week

View on USPTO TSDR Find similar marks

OST

USPTO Trademark Record

REGISTERED

OSTSO

SN 90459667·Reg 6636400·Filed Jan 11, 2021

Owner Hu Yanru

Household or kitchen utensils and containers; cookware and tableware, except forks, knives and spoons; combs and sponges; brushes, except paintbrushes; brush-making materials; articles for cleaning purposes; unworked or semi-worked glass, except building glass; glassware, porcelain and earthenware.

OSTSO (Serial No. 90459667), Registration No. 6636400, is a registered US trademark filed on Jan 11, 2021 by Hu Yanru. This trademark covers Class 021 (Household utensils, cookware & glassware).

early section 8: February 08, 2028

Conflict Analysis

Full conflict analysis for OSTSO (SN 90459667) against the USPTO database with detailed risk factor explanations. AI-powered — takes ~1-2 min.

Mark Intelligence

OSTSO (Reg. #6636400) is a registered US trademark that has been protecting its owner, Hu Yanru, since 2021. The mark covers Class 021 (Household utensils, cookware & glassware). Goods and services include Household or kitchen utensils and containers; cookware and tableware, except forks, knives and spoons; combs and sponges.... The mark faced 1 opposition proceeding during prosecution.

FILED

Jan 11, 2021

SERIAL

90459667

REG#

6636400

REGISTERED

Feb 08, 2022

Filing Information

StatusREGISTERED

Filing DateJan 11, 2021

Serial Number90459667

Registration No.6636400

Registration DateFeb 08, 2022

Status DateFeb 08, 2022

Published for OppositionNov 23, 2021

Filing Basis & Declarations

Standard Characters ClaimedFiled as Use ApplicationUse Application CurrentlyTrademark

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 021Household utensils, cookware & glassware

US codes: 002, 013, 023, 029, 030, 033, 040, 050

First use anywhere: Dec 19, 2020

First use in commerce: Dec 19, 2020

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

Run a conflict check

Search by serial number, mark name, or logo. See conflicting marks ranked by risk with clear explanations of what contributed.

Run conflict check

Status History

20 events

REGISTERED-PRINCIPAL REGISTER

Feb 08, 2022

REGISTERED-PRINCIPAL REGISTER

PUBLISHED FOR OPPOSITION

Nov 23, 2021

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Nov 23, 2021

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Nov 03, 2021

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

APPROVED FOR PUB - PRINCIPAL REGISTER

Oct 19, 2021

APPROVED FOR PUB - PRINCIPAL REGISTER

TEAS REQUEST FOR RECONSIDERATION RECEIVED

Oct 18, 2021

TEAS REQUEST FOR RECONSIDERATION RECEIVED

CORRESPONDENCE RECEIVED IN LAW OFFICE

Oct 18, 2021

CORRESPONDENCE RECEIVED IN LAW OFFICE

TEAS/EMAIL CORRESPONDENCE ENTERED

Oct 18, 2021

TEAS/EMAIL CORRESPONDENCE ENTERED

FINAL REFUSAL WRITTEN

Aug 03, 2021

FINAL REFUSAL WRITTEN

FINAL REFUSAL E-MAILED

Aug 03, 2021

FINAL REFUSAL E-MAILED

NOTIFICATION OF FINAL REFUSAL EMAILED

Aug 03, 2021

NOTIFICATION OF FINAL REFUSAL EMAILED

TEAS/EMAIL CORRESPONDENCE ENTERED

Jul 30, 2021

TEAS/EMAIL CORRESPONDENCE ENTERED

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Jul 29, 2021

TEAS RESPONSE TO OFFICE ACTION RECEIVED

CORRESPONDENCE RECEIVED IN LAW OFFICE

Jul 29, 2021

CORRESPONDENCE RECEIVED IN LAW OFFICE

ASSIGNED TO EXAMINER

Jul 20, 2021

ASSIGNED TO EXAMINER

NON-FINAL ACTION WRITTEN

Jul 20, 2021

NON-FINAL ACTION WRITTEN

NON-FINAL ACTION E-MAILED

Jul 20, 2021

NON-FINAL ACTION E-MAILED

NOTIFICATION OF NON-FINAL ACTION E-MAILED

Jul 20, 2021

NOTIFICATION OF NON-FINAL ACTION E-MAILED

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Apr 11, 2021

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

Jan 14, 2021

NEW APPLICATION ENTERED

Other Marks by Hu Yanru

Additional USPTO filings from the same owner.

MQI

MQIQM

90459657

Hu Yanru

REGISTERED

PZL

PZLZP

90459724

Hu Yanru

REGISTERED

EOQ

EOQOE

90459648

Hu Yanru

REGISTERED

EQV

EQVQQ

90459704

Hu Yanru

REGISTERED

Other Marks by Henry G. Chow

Additional USPTO filings handled by the same attorney of record.

LOM

LOMATT

97212363

REGISTERED

GEE

GEEJIA

97427160

REGISTERED

DIG

DIGIARTY VIDEOPROC

88724257

REGISTERED

OVA

OVASTLKUY

88864878

REGISTERED

OSTSO

Run a conflict check

Other Marks by Hu Yanru

Other Marks by Henry G. Chow

Get pre-filing clearance

Search 15M+ trademarks

Resources

Company