Who owns the KARSUN trademark?

The KARSUN trademark is owned by Karsun Solutions.

What class is the KARSUN trademark registered in?

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

What is the serial number for KARSUN?

The USPTO serial number for KARSUN is 86550065.

What is the registration number for KARSUN?

KARSUN is registered under USPTO registration number 4831091.

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Updated Sep 17, 2026·30 searches this week

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KAR

USPTO Trademark Record

REGISTERED

KARSUN

SN 86550065·Reg 4831091·Filed Mar 02, 2015

Owner Karsun Solutions

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.

KARSUN (Serial No. 86550065), Registration No. 4831091, is a registered US trademark filed on Mar 02, 2015 by Karsun Solutions. This trademark covers Class 042 (Scientific, technology & SaaS services).

Section 8/9 declaration window: October 15, 2035

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Mark Intelligence

KARSUN (Reg. #4831091) is a registered US trademark that has been protecting its owner, Karsun Solutions, since 2015. 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

Mar 02, 2015

SERIAL

86550065

REG#

4831091

REGISTERED

Oct 13, 2015

Filing Information

StatusREGISTERED

Filing DateMar 02, 2015

Serial Number86550065

Registration No.4831091

Registration DateOct 13, 2015

Status DateJan 21, 2026

Published for OppositionJul 28, 2015

Filing Basis & Declarations

Standard Characters ClaimedFiled 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: Sep 30, 2009

First use in commerce: Sep 30, 2009

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

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Status History

21 events

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Jan 21, 2026

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED

Jan 21, 2026

REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED

REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)

Jan 21, 2026

REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)

NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED

Jan 21, 2026

NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED

TEAS SECTION 8 & 9 RECEIVED

Oct 14, 2025

TEAS SECTION 8 & 9 RECEIVED

COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED

Oct 13, 2024

COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Jan 12, 2022

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

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

Jan 12, 2022

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

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

Jan 12, 2022

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

TEAS SECTION 8 & 15 RECEIVED

Oct 05, 2021

TEAS SECTION 8 & 15 RECEIVED

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

Oct 13, 2020

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

REGISTERED-PRINCIPAL REGISTER

Oct 13, 2015

REGISTERED-PRINCIPAL REGISTER

PUBLISHED FOR OPPOSITION

Jul 28, 2015

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Jul 28, 2015

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Jul 08, 2015

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

ASSIGNED TO LIE

Jun 24, 2015

ASSIGNED TO LIE

LAW OFFICE PUBLICATION REVIEW COMPLETED

Jun 24, 2015

LAW OFFICE PUBLICATION REVIEW COMPLETED

ASSIGNED TO EXAMINER

Jun 06, 2015

ASSIGNED TO EXAMINER

APPROVED FOR PUB - PRINCIPAL REGISTER

Jun 06, 2015

APPROVED FOR PUB - PRINCIPAL REGISTER

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Mar 13, 2015

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

Mar 05, 2015

NEW APPLICATION ENTERED

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