Who owns the WK trademark?

The WK trademark is owned by Witt/Kieffer Inc..

What class is the WK trademark registered in?

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

What is the serial number for WK?

The USPTO serial number for WK is 86952985.

What is the registration number for WK?

WK is registered under USPTO registration number 5184667.

Sealvo

Home Search: WKWK #86952985

Back

Updated Sep 19, 2026·42 searches this week

View on USPTO TSDR Find similar marks

USPTO Trademark Record

REGISTERED

WK

SN 86952985·Reg 5184667·Filed Mar 25, 2016

Owner Witt/Kieffer Inc.

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

WK (Serial No. 86952985), Registration No. 5184667, is a registered US trademark filed on Mar 25, 2016 by Witt/Kieffer Inc.. This trademark covers Class 035 (Advertising, business management & retail services).

Section 8/9 declaration window: April 20, 2037

Conflict Analysis

Full conflict analysis for WK (SN 86952985) against the USPTO database with detailed risk factor explanations. AI-powered — takes ~1-2 min.

Mark Intelligence

WK (Reg. #5184667) is a registered US trademark that has been protecting its owner, Witt/Kieffer Inc., since 2016. 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

Mar 25, 2016

SERIAL

86952985

REG#

5184667

REGISTERED

Apr 18, 2017

Filing Information

StatusREGISTERED

Filing DateMar 25, 2016

Serial Number86952985

Registration No.5184667

Registration DateApr 18, 2017

Status DateJul 06, 2026

Published for OppositionJan 31, 2017

Filing Basis & Declarations

Standard Characters ClaimedFiled as Use ApplicationUse Application CurrentlySection 8 AcceptedSection 15 Acknowledged

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 035Advertising, business management & retail services

US codes: 100, 101, 102

First use anywhere: Jul 01, 2009

First use in commerce: Jul 01, 2009

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

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

43 events

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Jul 06, 2026

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

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

Jul 06, 2026

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

REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)

Jul 06, 2026

REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)

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

Jul 06, 2026

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

TEAS SECTION 8 & 9 RECEIVED

May 04, 2026

TEAS SECTION 8 & 9 RECEIVED

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

Apr 18, 2026

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

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

Oct 29, 2025

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Oct 29, 2025

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Oct 29, 2025

TEAS CHANGE OF CORRESPONDENCE RECEIVED

NOTICE OF UPDATED REGISTRATION CONFIRMATION EMAILED

Nov 21, 2023

NOTICE OF UPDATED REGISTRATION CONFIRMATION EMAILED

AMENDMENT UNDER SECTION 7 - PROCESSED

Oct 19, 2023

AMENDMENT UNDER SECTION 7 - PROCESSED

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

Oct 19, 2023

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

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

Oct 19, 2023

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

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Oct 17, 2023

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

TEAS SECTION 7 REQUEST RECEIVED

Apr 17, 2023

TEAS SECTION 7 REQUEST RECEIVED

TEAS SECTION 8 & 15 RECEIVED

Apr 17, 2023

TEAS SECTION 8 & 15 RECEIVED

TEAS CHANGE OF OWNER ADDRESS RECEIVED

Jun 19, 2022

TEAS CHANGE OF OWNER ADDRESS RECEIVED

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

Jun 19, 2022

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Jun 19, 2022

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Jun 19, 2022

TEAS CHANGE OF CORRESPONDENCE RECEIVED

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

Jun 19, 2022

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

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

Apr 18, 2022

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

TEAS CHANGE OF OWNER ADDRESS RECEIVED

Feb 18, 2020

TEAS CHANGE OF OWNER ADDRESS RECEIVED

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

Feb 18, 2020

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Feb 18, 2020

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

Feb 18, 2020

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Feb 18, 2020

TEAS CHANGE OF CORRESPONDENCE RECEIVED

May 04, 2018

TEAS CHANGE OF CORRESPONDENCE RECEIVED

REGISTERED-PRINCIPAL REGISTER

Apr 18, 2017

REGISTERED-PRINCIPAL REGISTER

PUBLISHED FOR OPPOSITION

Jan 31, 2017

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Jan 31, 2017

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Jan 11, 2017

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

APPROVED FOR PUB - PRINCIPAL REGISTER

Dec 22, 2016

APPROVED FOR PUB - PRINCIPAL REGISTER

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Dec 21, 2016

TEAS RESPONSE TO OFFICE ACTION RECEIVED

CORRESPONDENCE RECEIVED IN LAW OFFICE

Dec 21, 2016

CORRESPONDENCE RECEIVED IN LAW OFFICE

TEAS/EMAIL CORRESPONDENCE ENTERED

Dec 21, 2016

TEAS/EMAIL CORRESPONDENCE ENTERED

NON-FINAL ACTION WRITTEN

Jul 13, 2016

NON-FINAL ACTION WRITTEN

NON-FINAL ACTION E-MAILED

Jul 13, 2016

NON-FINAL ACTION E-MAILED

NOTIFICATION OF NON-FINAL ACTION E-MAILED

Jul 13, 2016

NOTIFICATION OF NON-FINAL ACTION E-MAILED

ASSIGNED TO EXAMINER

Jul 07, 2016

ASSIGNED TO EXAMINER

NOTICE OF PSEUDO MARK E-MAILED

Mar 31, 2016

NOTICE OF PSEUDO MARK E-MAILED

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Mar 30, 2016

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

Mar 29, 2016

NEW APPLICATION ENTERED

Other Marks by Witt/Kieffer Inc.

Additional USPTO filings from the same owner.

WIT

WITTKIEFFER

86952904

Witt/Kieffer Inc.

REGISTERED

WIT

WITTKIEFFER

88833482

Witt/Kieffer Inc.

REGISTERED

LEA

LEADERVERSE

88816864

Witt/Kieffer Inc.

REGISTERED

WIT

WITTKIEFFER LEADERSHIP LIFT

98823609

Witt/Kieffer Inc.

PENDING

Other Marks in Class 035 — Advertising, business management & retail services

Recently filed and registered marks in the same international class.

98571129

The Watch King NYC Corp.

REGISTERED

87746659

Bonneville Communications Corporation

ABANDONED

75504875

MOTHER NATURE GEMCRAFT & JEWELRY, INC.

ABANDONED

75860794

WK Networks, Inc.

ABANDONED

Other Marks by Andrea S. Fuelleman

Additional USPTO filings handled by the same attorney of record.

ROP

ROPERA

79431108

REGISTERED

HYC

HYCO MONTANHYDRAULIK GROUP

88732070

REGISTERED

RAZ

RAZORFISH HEALTH

88659582

REGISTERED

SAF

SAFIRE

88943333

REGISTERED

WK

Run a conflict check

Other Marks by Witt/Kieffer Inc.

Other Marks in Class 035 — Advertising, business management & retail services

Other Marks by Andrea S. Fuelleman

Get pre-filing clearance

Search 15M+ trademarks

Resources

Company