Who owns the WELACER trademark?

The WELACER trademark is owned by Li Congliang.

What class is the WELACER trademark registered in?

The WELACER trademark is registered in Class 016 (Paper goods, books & stationery).

What is the serial number for WELACER?

The USPTO serial number for WELACER is 90338378.

What is the registration number for WELACER?

WELACER is registered under USPTO registration number 6448457.

Sealvo

Home Search: WELACERWELACER #90338378

Back

Updated Sep 20, 2026·36 searches this week

View on USPTO TSDR Find similar marks

WEL

USPTO Trademark Record

REGISTERED

WELACER

SN 90338378·Reg 6448457·Filed Nov 24, 2020

Owner Li Congliang

Paper and cardboard; printed matter; bookbinding material; photographs; stationery and office requisites, except furniture; adhesives for stationery or household purposes; drawing materials and materials for artists; paintbrushes; instructional and teaching materials; plastic sheets, films and bags for wrapping and packaging; printers' type, printing blocks.

WELACER (Serial No. 90338378), Registration No. 6448457, is a registered US trademark filed on Nov 24, 2020 by Li Congliang. This trademark covers Class 016 (Paper goods, books & stationery).

Renewal window: August 10, 2027324 days remaining

Conflict Analysis

Full conflict analysis for WELACER (SN 90338378) against the USPTO database with detailed risk factor explanations. AI-powered — takes ~1-2 min.

Mark Intelligence

WELACER (Reg. #6448457) is a registered US trademark that has been protecting its owner, Li Congliang, since 2020. The mark covers Class 016 (Paper goods, books & stationery). Goods and services include Paper and cardboard; printed matter; bookbinding material; photographs; stationery and office requisites, except furnitu.... The mark faced 1 opposition proceeding during prosecution.

FILED

Nov 24, 2020

SERIAL

90338378

REG#

6448457

REGISTERED

Aug 10, 2021

Filing Information

StatusREGISTERED

Filing DateNov 24, 2020

Serial Number90338378

Registration No.6448457

Registration DateAug 10, 2021

Status DateAug 10, 2021

Published for OppositionMay 25, 2021

Filing Basis & Declarations

Standard Characters ClaimedFiled as Use ApplicationUse Application CurrentlyTrademark

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 016Paper goods, books & stationery

US codes: 002, 005, 022, 023, 029, 037, 038, 050

First use anywhere: Oct 15, 2020

First use in commerce: Oct 15, 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

16 events

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

Aug 10, 2026

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

TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED

Oct 16, 2023

TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Oct 16, 2023

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Oct 16, 2023

TEAS CHANGE OF CORRESPONDENCE RECEIVED

TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS

Oct 16, 2023

TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS

REGISTERED-PRINCIPAL REGISTER

Aug 10, 2021

REGISTERED-PRINCIPAL REGISTER

PUBLISHED FOR OPPOSITION

May 25, 2021

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

May 25, 2021

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

May 05, 2021

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

APPROVED FOR PUB - PRINCIPAL REGISTER

Apr 21, 2021

APPROVED FOR PUB - PRINCIPAL REGISTER

ASSIGNED TO EXAMINER

Apr 14, 2021

ASSIGNED TO EXAMINER

TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED

Feb 24, 2021

TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Feb 24, 2021

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Feb 24, 2021

TEAS CHANGE OF CORRESPONDENCE RECEIVED

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Jan 29, 2021

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

Nov 27, 2020

NEW APPLICATION ENTERED

Other Marks by Li Congliang

Additional USPTO filings from the same owner.

HEM

HEM DGPSY

90374895

Li Congliang

REGISTERED

GUC

GUCVBLICT

90305616

Li Congliang

REGISTERED

JEC

JECQBOR

90353373

Li Congliang

REGISTERED

Other Marks by Esther Kim

Additional USPTO filings handled by the same attorney of record.

CHA

CHARMLIFE

90007159

REGISTERED

COL

COLORZIP

98912594

REGISTERED

JYH

JYH JOYOUTH

98725224

REGISTERED

PUZ

PUZHEN

98835705

REGISTERED

WELACER

Run a conflict check

Other Marks by Li Congliang

Other Marks by Esther Kim

Get pre-filing clearance

Search 15M+ trademarks

Resources

Company