Who owns the KORSHAK trademark?

The KORSHAK trademark is owned by Korshak Mitchells LLC.

What class is the KORSHAK trademark registered in?

The KORSHAK trademark is registered in Class 035 (Advertising, business management & retail services).

What is the serial number for KORSHAK?

The USPTO serial number for KORSHAK is 99148363.

What is the registration number for KORSHAK?

KORSHAK is registered under USPTO registration number 8300390.

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Updated Sep 28, 2026·24 searches this week

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KOR

USPTO Trademark Record

REGISTERED

KORSHAK

SN 99148363·Reg 8300390·Filed Apr 22, 2025

Owner Korshak Mitchells LLC

Advertising; business management, organization and administration; office functions.

KORSHAK (Serial No. 99148363), Registration No. 8300390, is a registered US trademark filed on Apr 22, 2025 by Korshak Mitchells LLC. This trademark covers Class 035 (Advertising, business management & retail services).

early section 8: June 16, 2032

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Mark Intelligence

KORSHAK (Reg. #8300390) is a registered US trademark that has been protecting its owner, Korshak Mitchells LLC, since 2025. The mark covers Class 035 (Advertising, business management & retail services). Goods and services include Advertising; business management, organization and administration; office functions.. The mark faced 1 opposition proceeding during prosecution.

FILED

Apr 22, 2025

SERIAL

99148363

REG#

8300390

REGISTERED

Jun 16, 2026

Filing Information

StatusREGISTERED

Filing DateApr 22, 2025

Serial Number99148363

Registration No.8300390

Registration DateJun 16, 2026

Status DateJun 16, 2026

Published for OppositionApr 28, 2026

Filing Basis & Declarations

Standard Characters ClaimedUse Application Currently

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 035Advertising, business management & retail services

US codes: 100, 101, 102

First use anywhere: Apr 04, 1986

First use in commerce: Apr 04, 1986

Advertising; business management, organization and administration; office functions.

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

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Status History

22 events

REGISTERED-PRINCIPAL REGISTER

Jun 16, 2026

REGISTERED-PRINCIPAL REGISTER

NOTICE OF REGISTRATION CONFIRMATION EMAILED

Jun 16, 2026

NOTICE OF REGISTRATION CONFIRMATION EMAILED

PUBLISHED FOR OPPOSITION

Apr 28, 2026

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Apr 28, 2026

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Apr 22, 2026

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

USE AMENDMENT ACCEPTED

Apr 02, 2026

USE AMENDMENT ACCEPTED

APPROVED FOR PUB - PRINCIPAL REGISTER

Apr 02, 2026

APPROVED FOR PUB - PRINCIPAL REGISTER

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Apr 01, 2026

TEAS RESPONSE TO OFFICE ACTION RECEIVED

CORRESPONDENCE RECEIVED IN LAW OFFICE

Apr 01, 2026

CORRESPONDENCE RECEIVED IN LAW OFFICE

TEAS/EMAIL CORRESPONDENCE ENTERED

Apr 01, 2026

TEAS/EMAIL CORRESPONDENCE ENTERED

TEAS AMENDMENT OF USE RECEIVED

Apr 01, 2026

TEAS AMENDMENT OF USE RECEIVED

USE AMENDMENT FILED

Apr 01, 2026

USE AMENDMENT FILED

AMENDMENT TO USE PROCESSING COMPLETE

Apr 01, 2026

AMENDMENT TO USE PROCESSING COMPLETE

APPLICATION EXTENSION TO RESPONSE PERIOD - RECEIVED

Dec 15, 2025

APPLICATION EXTENSION TO RESPONSE PERIOD - RECEIVED

APPLICATION EXTENSION GRANTED/RECEIPT PROVIDED

Dec 15, 2025

APPLICATION EXTENSION GRANTED/RECEIPT PROVIDED

NON-FINAL ACTION WRITTEN

Oct 01, 2025

NON-FINAL ACTION WRITTEN

NON-FINAL ACTION E-MAILED

Oct 01, 2025

NON-FINAL ACTION E-MAILED

NOTIFICATION OF NON-FINAL ACTION E-MAILED

Oct 01, 2025

NOTIFICATION OF NON-FINAL ACTION E-MAILED

ASSIGNED TO EXAMINER

Sep 15, 2025

ASSIGNED TO EXAMINER

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Aug 28, 2025

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

APPLICATION FILING RECEIPT MAILED

Apr 22, 2025

APPLICATION FILING RECEIPT MAILED

NEW APPLICATION ENTERED

Apr 22, 2025

NEW APPLICATION ENTERED

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STA

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REGISTERED

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