Who owns the CHEMLEX trademark?

The CHEMLEX trademark is owned by CHEMLEX PTE. LTD..

What class is the CHEMLEX trademark registered in?

The CHEMLEX trademark is registered in Class 042 (Scientific, technology & SaaS services).

What is the serial number for CHEMLEX?

The USPTO serial number for CHEMLEX is 98957761.

What is the registration number for CHEMLEX?

CHEMLEX is registered under USPTO registration number 8028239.

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Updated Oct 18, 2026·12 searches this week

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CHE

USPTO Trademark Record

REGISTERED

CHEMLEX

SN 98957761·Reg 8028239·Filed Jan 13, 2025

Owner CHEMLEX PTE. LTD.

Scientific and technological services and research and design relating thereto; industrial analysis, industrial research and industrial design services; quality control and authentication services; design and development of computer hardware and software.

CHEMLEX (Serial No. 98957761), Registration No. 8028239, is a registered US trademark filed on Jan 13, 2025 by CHEMLEX PTE. LTD.. This trademark covers Class 042 (Scientific, technology & SaaS services).

early section 8: November 18, 2031

Mark Intelligence

CHEMLEX (Reg. #8028239) is a registered US trademark that has been protecting its owner, CHEMLEX PTE. LTD., since 2025. The mark covers Class 042 (Scientific, technology & SaaS services). Goods and services include Scientific and technological services and research and design relating thereto; industrial analysis, industrial research.... The mark faced 1 opposition proceeding during prosecution.

FILED

Jan 13, 2025

SERIAL

98957761

REG#

8028239

REGISTERED

Nov 18, 2025

Filing Information

StatusREGISTERED

Filing DateJan 13, 2025

Serial Number98957761

Registration No.8028239

Registration DateNov 18, 2025

Status DateNov 18, 2025

Published for OppositionSep 30, 2025

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 042Scientific, technology & SaaS services

US codes: 100, 101

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

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Status History

28 events

TEAS CHANGE OF OWNER ADDRESS RECEIVED

Jul 14, 2026

TEAS CHANGE OF OWNER ADDRESS RECEIVED

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

Jul 14, 2026

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Jul 14, 2026

TEAS CHANGE OF CORRESPONDENCE RECEIVED

TEAS CHANGE OF OWNER ADDRESS RECEIVED

Jul 10, 2026

TEAS CHANGE OF OWNER ADDRESS RECEIVED

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

Jul 10, 2026

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

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

Jul 10, 2026

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Jul 10, 2026

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Jul 10, 2026

TEAS CHANGE OF CORRESPONDENCE RECEIVED

REGISTERED-PRINCIPAL REGISTER

Nov 18, 2025

REGISTERED-PRINCIPAL REGISTER

NOTICE OF REGISTRATION CONFIRMATION EMAILED

Nov 18, 2025

NOTICE OF REGISTRATION CONFIRMATION EMAILED

PUBLISHED FOR OPPOSITION

Sep 30, 2025

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Sep 30, 2025

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Sep 24, 2025

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

EXAMINERS AMENDMENT -WRITTEN

Aug 28, 2025

EXAMINERS AMENDMENT -WRITTEN

EXAMINERS AMENDMENT E-MAILED

Aug 28, 2025

EXAMINERS AMENDMENT E-MAILED

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

Aug 28, 2025

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

EXAMINER'S AMENDMENT ENTERED

Aug 28, 2025

EXAMINER'S AMENDMENT ENTERED

APPROVED FOR PUB - PRINCIPAL REGISTER

Aug 28, 2025

APPROVED FOR PUB - PRINCIPAL REGISTER

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Aug 22, 2025

TEAS RESPONSE TO OFFICE ACTION RECEIVED

CORRESPONDENCE RECEIVED IN LAW OFFICE

Aug 22, 2025

CORRESPONDENCE RECEIVED IN LAW OFFICE

TEAS/EMAIL CORRESPONDENCE ENTERED

Aug 22, 2025

TEAS/EMAIL CORRESPONDENCE ENTERED

ASSIGNED TO EXAMINER

Jun 23, 2025

ASSIGNED TO EXAMINER

NON-FINAL ACTION WRITTEN

Jun 23, 2025

NON-FINAL ACTION WRITTEN

NON-FINAL ACTION E-MAILED

Jun 23, 2025

NON-FINAL ACTION E-MAILED

NOTIFICATION OF NON-FINAL ACTION E-MAILED

Jun 23, 2025

NOTIFICATION OF NON-FINAL ACTION E-MAILED

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Jun 11, 2025

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NOTICE OF DESIGN SEARCH CODE E-MAILED

Jun 11, 2025

NOTICE OF DESIGN SEARCH CODE E-MAILED

NEW APPLICATION ENTERED

Jan 13, 2025

NEW APPLICATION ENTERED

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