Who owns the KENKEN trademark?

The KENKEN trademark is owned by KENKEN PUZZLE LLC.

What is the serial number for KENKEN?

The USPTO serial number for KENKEN is 77976074.

What is the registration number for KENKEN?

KENKEN is registered under USPTO registration number 3551731.

KEN

USPTO Trademark Record

REGISTERED

KENKEN

Q: What class is the KENKEN trademark registered in?

The KENKEN trademark is registered in Class 009 (Electronics, software & scientific instruments), Class 016 (Paper goods, books & stationery).

SN 77976074·Reg 3551731·Filed Jun 01, 2007

Owner KENKEN PUZZLE LLC

Scientific, research, navigation, surveying, photographic, cinematographic, audiovisual, optical, weighing, measuring, signalling, detecting, testing, inspecting, life-saving and teaching apparatus and instruments; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling the distribution or use of electricity; apparatus and instruments for recording, transmitting, reproducing or processing sound, images or data; recorded and downloadable multimedia files, computer software, blank digital or analogue recording and storage media; mechanisms for coin-operated apparatus; cash registers, calculating devices; computers and computer peripheral devices; diving suits, divers' masks, ear plugs for divers, nose clips for divers, gloves for divers, breathing apparatus for underwater swimming; fire-extinguishing apparatus.; Paper and cardboard; printed matter; bookbinding material; photographs; stationery and office requisites, except furniture; adhesives for stationery or household purposes; drawing materials and materials for artists; paintbrushes; instructional and teaching materials; plastic sheets, films and bags for wrapping and packaging; printers' type, printing blocks.

KENKEN (Serial No. 77976074), Registration No. 3551731, is a registered US trademark filed on Jun 01, 2007 by KENKEN PUZZLE LLC. This trademark covers Class 009 (Electronics, software & scientific instruments), Class 016 (Paper goods, books & stationery).

Section 8/9 declaration window: December 25, 2028

Mark Intelligence

KENKEN (Reg. #3551731) is a registered US trademark that has been protecting its owner, KENKEN PUZZLE LLC, since 2007. The mark covers Class 009 (Electronics, software & scientific instruments) and Class 016 (Paper goods, books & stationery) respectively. Goods and services include Scientific, research, navigation, surveying, photographic, cinematographic, audiovisual, optical, weighing, measuring, s.... The mark faced 1 opposition proceeding during prosecution.

FILED

Jun 01, 2007

SERIAL

77976074

REG#

3551731

REGISTERED

Dec 23, 2008

Owner

Applicant

KENKEN PUZZLE LLC

Entity

LLC

State

Address

43 Round House Rd., Bedford, NY, 10506

Country

Attorney

NameDebra J. Stanek

Law firm

Debra J. Stanek Croke Fairchild Duarte & Beres

Address

180 North LaSalle Street, Suite 3400, Chicago, IL 60601, United States

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Filing Information

StatusREGISTERED

Filing DateJun 01, 2007

Serial Number77976074

Registration No.3551731

Registration DateDec 23, 2008

Status DateDec 07, 2018

Published for OppositionDec 18, 2007

Next RenewalDecember 25, 2028

Mark TypeStandard characters

Status DescriptionLive and registered, renewed

Filing Signals

FILED

2007

YEARS AGO

19y

CLASSES

MADRID FILINGS

Opposed 1× during prosecution

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Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 009Electronics, software & scientific instruments

US codes: 021, 023, 026, 036, 038

First use anywhere: Aug 29, 2008

First use in commerce: Aug 29, 2008

Class 016Paper goods, books & stationery

US codes: 002, 005, 022, 023, 029, 037, 038, 050

First use anywhere: Sep 25, 2008

First use in commerce: Sep 25, 2008

Paper and cardboard; printed matter; bookbinding material; photographs; stationery and office requisites, except furniture; adhesives for stationery or household purposes; drawing materials and materials for artists; paintbrushes; instructional and teaching materials; plastic sheets, films and bags for wrapping and packaging; printers' type, printing blocks.

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

Status History

53 events

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Aug 30, 2025

TEAS CHANGE OF CORRESPONDENCE RECEIVED

TEAS CHANGE OF OWNER ADDRESS RECEIVED

Aug 30, 2025

TEAS CHANGE OF OWNER ADDRESS RECEIVED

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

Aug 30, 2025

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

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

Aug 30, 2025

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Aug 30, 2025

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Sep 03, 2019

TEAS CHANGE OF CORRESPONDENCE RECEIVED

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

Dec 07, 2018

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

REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)

Dec 07, 2018

REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)

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

Dec 07, 2018

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

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Dec 07, 2018

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

TEAS SECTION 8 & 9 RECEIVED

Nov 26, 2018

TEAS SECTION 8 & 9 RECEIVED

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

Apr 18, 2018

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

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

Dec 23, 2017

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

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

Mar 22, 2014

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

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Mar 22, 2014

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

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

Mar 22, 2014

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

TEAS SECTION 8 & 15 RECEIVED

Mar 04, 2014

TEAS SECTION 8 & 15 RECEIVED

REGISTERED - SEC. 8 (6-YR) & SEC. 15 FILED

Mar 04, 2014

REGISTERED - SEC. 8 (6-YR) & SEC. 15 FILED

REGISTERED-PRINCIPAL REGISTER

Dec 23, 2008

REGISTERED-PRINCIPAL REGISTER

LAW OFFICE REGISTRATION REVIEW COMPLETED

Nov 17, 2008

LAW OFFICE REGISTRATION REVIEW COMPLETED

ASSIGNED TO LIE

Nov 14, 2008

ASSIGNED TO LIE

ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED

Nov 10, 2008

ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED

TEAS/EMAIL CORRESPONDENCE ENTERED

Oct 23, 2008

TEAS/EMAIL CORRESPONDENCE ENTERED

SU - NON-FINAL ACTION - WRITTEN

Oct 22, 2008

SU - NON-FINAL ACTION - WRITTEN

NON-FINAL ACTION E-MAILED

Oct 22, 2008

NON-FINAL ACTION E-MAILED

NOTIFICATION OF NON-FINAL ACTION E-MAILED

Oct 22, 2008

NOTIFICATION OF NON-FINAL ACTION E-MAILED

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Oct 22, 2008

TEAS RESPONSE TO OFFICE ACTION RECEIVED

CORRESPONDENCE RECEIVED IN LAW OFFICE

Oct 22, 2008

CORRESPONDENCE RECEIVED IN LAW OFFICE

STATEMENT OF USE PROCESSING COMPLETE

Oct 02, 2008

STATEMENT OF USE PROCESSING COMPLETE

DIVISIONAL PROCESSING COMPLETE

Oct 02, 2008

DIVISIONAL PROCESSING COMPLETE

CASE ASSIGNED TO INTENT TO USE PARALEGAL

Sep 30, 2008

CASE ASSIGNED TO INTENT TO USE PARALEGAL

TEAS STATEMENT OF USE RECEIVED

Sep 29, 2008

TEAS STATEMENT OF USE RECEIVED

FAX RECEIVED

Sep 29, 2008

FAX RECEIVED

DIVISIONAL REQUEST RECEIVED

Sep 29, 2008

DIVISIONAL REQUEST RECEIVED

USE AMENDMENT FILED

Sep 29, 2008

USE AMENDMENT FILED

REVIEW OF CORRESPONDENCE COMPLETE

Sep 12, 2008

REVIEW OF CORRESPONDENCE COMPLETE

POST PUBLICATION AMENDMENT - ENTERED

Sep 10, 2008

POST PUBLICATION AMENDMENT - ENTERED

NOA MAILED - SOU REQUIRED FROM APPLICANT

Aug 12, 2008

NOA MAILED - SOU REQUIRED FROM APPLICANT

EXTENSION OF TIME TO OPPOSE PROCESS - TERMINATED

Jul 01, 2008

EXTENSION OF TIME TO OPPOSE PROCESS - TERMINATED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Jun 25, 2008

TEAS CHANGE OF CORRESPONDENCE RECEIVED

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Jun 12, 2008

TEAS RESPONSE TO OFFICE ACTION RECEIVED

EXTENSION OF TIME TO OPPOSE RECEIVED

Jan 16, 2008

EXTENSION OF TIME TO OPPOSE RECEIVED

PUBLISHED FOR OPPOSITION

Dec 18, 2007

PUBLISHED FOR OPPOSITION

NOTICE OF PUBLICATION

Nov 28, 2007

NOTICE OF PUBLICATION

ASSIGNED TO LIE

Nov 15, 2007

ASSIGNED TO LIE

LAW OFFICE PUBLICATION REVIEW COMPLETED

Nov 15, 2007

LAW OFFICE PUBLICATION REVIEW COMPLETED

APPROVED FOR PUB - PRINCIPAL REGISTER

Oct 12, 2007

APPROVED FOR PUB - PRINCIPAL REGISTER

EXAMINERS AMENDMENT -WRITTEN

Sep 24, 2007

EXAMINERS AMENDMENT -WRITTEN

EXAMINER'S AMENDMENT ENTERED

Sep 24, 2007

EXAMINER'S AMENDMENT ENTERED

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

Sep 24, 2007

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

EXAMINERS AMENDMENT E-MAILED

Sep 24, 2007

EXAMINERS AMENDMENT E-MAILED

ASSIGNED TO EXAMINER

Sep 11, 2007

ASSIGNED TO EXAMINER

NEW APPLICATION ENTERED

Jun 06, 2007

NEW APPLICATION ENTERED

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