Who owns the SIRONAX trademark?

The SIRONAX trademark is owned by Sironax LTD.

What class is the SIRONAX trademark registered in?

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

What is the serial number for SIRONAX?

The USPTO serial number for SIRONAX is 88309638.

What is the registration number for SIRONAX?

SIRONAX is registered under USPTO registration number 5856499.

Sealvo

Home Search: SIRONAXSIRONAX #88309638

Back

Updated Sep 18, 2026·34 searches this week

View on USPTO TSDR Find similar marks

SIR

USPTO Trademark Record

REGISTERED

SIRONAX

SN 88309638·Reg 5856499·Filed Feb 20, 2019

Owner Sironax 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.

SIRONAX (Serial No. 88309638), Registration No. 5856499, is a registered US trademark filed on Feb 20, 2019 by Sironax LTD. This trademark covers Class 042 (Scientific, technology & SaaS services).

Section 8/9 declaration window: September 10, 2029

Conflict Analysis

Full conflict analysis for SIRONAX (SN 88309638) against the USPTO database with detailed risk factor explanations. AI-powered — takes ~1-2 min.

Mark Intelligence

SIRONAX (Reg. #5856499) is a registered US trademark that has been protecting its owner, Sironax LTD, since 2019. 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

Feb 20, 2019

SERIAL

88309638

REG#

5856499

REGISTERED

Sep 10, 2019

Filing Information

StatusREGISTERED

Filing DateFeb 20, 2019

Serial Number88309638

Registration No.5856499

Registration DateSep 10, 2019

Status DateJul 18, 2025

Published for OppositionJun 25, 2019

Filing Basis & Declarations

Filed as Use ApplicationUse Application CurrentlySection 8 AcceptedSection 15 Acknowledged

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 042Scientific, technology & SaaS services

US codes: 100, 101

First use anywhere: Jun 05, 2017

First use in commerce: Jun 05, 2018

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

26 events

REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK.

Jul 18, 2025

REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK.

NOTICE OF ACCEPTANCE OF SEC. 8 & 15 - E-MAILED

Jul 18, 2025

NOTICE OF ACCEPTANCE OF SEC. 8 & 15 - E-MAILED

TEAS RESPONSE TO OFFICE ACTION-POST REG RECEIVED

Jul 17, 2025

TEAS RESPONSE TO OFFICE ACTION-POST REG RECEIVED

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Mar 10, 2025

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

POST REGISTRATION ACTION MAILED - SEC. 8 & 15

Mar 10, 2025

POST REGISTRATION ACTION MAILED - SEC. 8 & 15

TEAS SECTION 8 & 15 RECEIVED

Nov 07, 2024

TEAS SECTION 8 & 15 RECEIVED

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

Sep 10, 2024

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

TEAS CHANGE OF OWNER ADDRESS RECEIVED

Jul 19, 2024

TEAS CHANGE OF OWNER ADDRESS RECEIVED

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

Jul 19, 2024

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

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

Jul 19, 2024

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Jul 19, 2024

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Jul 19, 2024

TEAS CHANGE OF CORRESPONDENCE RECEIVED

REGISTERED-PRINCIPAL REGISTER

Sep 10, 2019

REGISTERED-PRINCIPAL REGISTER

PUBLISHED FOR OPPOSITION

Jun 25, 2019

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Jun 25, 2019

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Jun 05, 2019

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

ASSIGNED TO LIE

May 16, 2019

ASSIGNED TO LIE

ASSIGNED TO EXAMINER

May 01, 2019

ASSIGNED TO EXAMINER

EXAMINERS AMENDMENT -WRITTEN

May 01, 2019

EXAMINERS AMENDMENT -WRITTEN

EXAMINERS AMENDMENT E-MAILED

May 01, 2019

EXAMINERS AMENDMENT E-MAILED

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

May 01, 2019

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

EXAMINER'S AMENDMENT ENTERED

May 01, 2019

EXAMINER'S AMENDMENT ENTERED

APPROVED FOR PUB - PRINCIPAL REGISTER

May 01, 2019

APPROVED FOR PUB - PRINCIPAL REGISTER

NOTICE OF DESIGN SEARCH CODE E-MAILED

Mar 21, 2019

NOTICE OF DESIGN SEARCH CODE E-MAILED

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Mar 13, 2019

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

Feb 23, 2019

NEW APPLICATION ENTERED

Other Marks by Sironax LTD

Additional USPTO filings from the same owner.

SIR

SIRONAX

88309632

Sironax LTD

REGISTERED

SIR

SIRONAX

99421334

Sironax Ltd.

PENDING

SIR

SIRONAX

99392563

Sironax Ltd.

PENDING

SIR

SIRONAX

97020939

Sironax Ltd

ABANDONED

Other Marks in Class 042 — Scientific, technology & SaaS services

Recently filed and registered marks in the same international class.

SIR

SIRONAX

88309632

Sironax LTD

REGISTERED

Other Marks by Kerrijane John

Additional USPTO filings handled by the same attorney of record.

SON

SONOROUS NEUROVASCULAR

98506311

REGISTERED

SEA

SEA HAG SOAPS

98942126

REGISTERED

ABO

ABOUT FACES

78367082

REGISTERED

THE

THE CONCILIO

88203011

REGISTERED

SIRONAX

Run a conflict check

Other Marks by Sironax LTD

Other Marks in Class 042 — Scientific, technology & SaaS services

Other Marks by Kerrijane John

Get pre-filing clearance

Search 15M+ trademarks

Resources

Company