Who owns the NINJA SUDOKU trademark?

The NINJA SUDOKU trademark is owned by HACHETTE BOOK GROUP, INC..

What class is the NINJA SUDOKU trademark registered in?

The NINJA SUDOKU trademark is registered in Class 016 (Paper goods, books & stationery).

What is the serial number for NINJA SUDOKU?

The USPTO serial number for NINJA SUDOKU is 78863483.

What is the registration number for NINJA SUDOKU?

NINJA SUDOKU is registered under USPTO registration number 3391883.

Sealvo

Home Search: NINJA SUDOKUNINJA SUDOKU #78863483

Back

Updated Sep 27, 2026·38 searches this week

View on USPTO TSDR Find similar marks

NIN

USPTO Trademark Record

REGISTERED

NINJA SUDOKU

SN 78863483·Reg 3391883·Filed Apr 18, 2006

Owner HACHETTE BOOK GROUP, INC.

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.

NINJA SUDOKU (Serial No. 78863483), Registration No. 3391883, is a registered US trademark filed on Apr 18, 2006 by HACHETTE BOOK GROUP, INC.. This trademark covers Class 016 (Paper goods, books & stationery).

Section 8/9 declaration window: March 06, 2028

Conflict Analysis

Full conflict analysis for NINJA SUDOKU (SN 78863483) against the USPTO database with detailed risk factor explanations. AI-powered — takes ~1-2 min.

Mark Intelligence

NINJA SUDOKU (Reg. #3391883) is a registered US trademark that has been protecting its owner, HACHETTE BOOK GROUP, INC., since 2006. The mark covers Class 016 (Paper goods, books & stationery). Goods and services include Paper and cardboard; printed matter; bookbinding material; photographs; stationery and office requisites, except furnitu.... The mark faced 1 opposition proceeding during prosecution.

FILED

Apr 18, 2006

SERIAL

78863483

REG#

3391883

REGISTERED

Mar 04, 2008

Filing Information

StatusREGISTERED

Filing DateApr 18, 2006

Serial Number78863483

Registration No.3391883

Registration DateMar 04, 2008

Status DateApr 29, 2017

Published for OppositionDec 18, 2007

Filing Basis & Declarations

Standard Characters ClaimedUse Application CurrentlySection 8 AcceptedSection 15 AcknowledgedTrademark

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 016Paper goods, books & stationery

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

First use anywhere: Mar 31, 2007

First use in commerce: Mar 31, 2007

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

69 events

TEAS CHANGE OF OWNER ADDRESS RECEIVED

Jun 18, 2026

TEAS CHANGE OF OWNER ADDRESS RECEIVED

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

Jun 18, 2026

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

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

Jun 18, 2026

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Jun 18, 2026

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Jun 18, 2026

TEAS CHANGE OF CORRESPONDENCE RECEIVED

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

Jun 07, 2026

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Jun 07, 2026

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Jun 07, 2026

TEAS CHANGE OF CORRESPONDENCE RECEIVED

TEAS CHANGE OF OWNER ADDRESS RECEIVED

Feb 05, 2025

TEAS CHANGE OF OWNER ADDRESS RECEIVED

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

Feb 05, 2025

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

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

Feb 05, 2025

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Feb 05, 2025

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Feb 05, 2025

TEAS CHANGE OF CORRESPONDENCE RECEIVED

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

Jan 29, 2025

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

TEAS CHANGE OF OWNER ADDRESS RECEIVED

Jan 23, 2025

TEAS CHANGE OF OWNER ADDRESS RECEIVED

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

Jan 23, 2025

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

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

Jan 23, 2025

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Jan 23, 2025

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS WITHDRAWAL AS DOMESTIC REPRESENTATIVE RECEIVED

Jan 23, 2025

TEAS WITHDRAWAL AS DOMESTIC REPRESENTATIVE RECEIVED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Jan 23, 2025

TEAS CHANGE OF CORRESPONDENCE RECEIVED

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

Feb 23, 2024

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Feb 23, 2024

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Feb 23, 2024

TEAS CHANGE OF CORRESPONDENCE RECEIVED

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

Jun 23, 2022

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

Feb 04, 2022

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

TEAS CHANGE OF OWNER ADDRESS RECEIVED

Jan 25, 2021

TEAS CHANGE OF OWNER ADDRESS RECEIVED

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

Jan 25, 2021

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Jan 25, 2021

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS CHANGE OF DOMESTIC REPRESENTATIVES ADDRESS

Jan 25, 2021

TEAS CHANGE OF DOMESTIC REPRESENTATIVES ADDRESS

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Jan 25, 2021

TEAS CHANGE OF CORRESPONDENCE RECEIVED

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

Jan 25, 2021

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

Sep 24, 2020

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

TEAS CHANGE OF OWNER ADDRESS RECEIVED

Jun 13, 2017

TEAS CHANGE OF OWNER ADDRESS RECEIVED

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

Jun 13, 2017

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Apr 29, 2017

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

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

Apr 29, 2017

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

REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)

Apr 29, 2017

REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)

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

Apr 29, 2017

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

TEAS SECTION 8 & 9 RECEIVED

Mar 06, 2017

TEAS SECTION 8 & 9 RECEIVED

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

Mar 04, 2017

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

TEAS CHANGE OF OWNER ADDRESS RECEIVED

Jul 24, 2015

TEAS CHANGE OF OWNER ADDRESS RECEIVED

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

Jul 24, 2015

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Mar 18, 2013

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

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

Mar 18, 2013

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

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

Mar 18, 2013

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

TEAS SECTION 8 & 15 RECEIVED

Mar 04, 2013

TEAS SECTION 8 & 15 RECEIVED

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

Dec 09, 2011

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Dec 09, 2011

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

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

Jul 28, 2010

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Jul 28, 2010

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

REGISTERED-PRINCIPAL REGISTER

Mar 04, 2008

REGISTERED-PRINCIPAL REGISTER

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

USE AMENDMENT ACCEPTED

Oct 13, 2007

USE AMENDMENT ACCEPTED

APPROVED FOR PUB - PRINCIPAL REGISTER

Oct 13, 2007

APPROVED FOR PUB - PRINCIPAL REGISTER

USE AMENDMENT FILED

Sep 26, 2007

USE AMENDMENT FILED

AMENDMENT TO USE PROCESSING COMPLETE

Sep 26, 2007

AMENDMENT TO USE PROCESSING COMPLETE

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Sep 25, 2007

TEAS RESPONSE TO OFFICE ACTION RECEIVED

CORRESPONDENCE RECEIVED IN LAW OFFICE

Sep 25, 2007

CORRESPONDENCE RECEIVED IN LAW OFFICE

TEAS/EMAIL CORRESPONDENCE ENTERED

Sep 25, 2007

TEAS/EMAIL CORRESPONDENCE ENTERED

TEAS AMENDMENT OF USE RECEIVED

Sep 25, 2007

TEAS AMENDMENT OF USE RECEIVED

NON-FINAL ACTION WRITTEN

Apr 02, 2007

NON-FINAL ACTION WRITTEN

NON-FINAL ACTION E-MAILED

Apr 02, 2007

NON-FINAL ACTION E-MAILED

SUSPENSION LETTER WRITTEN

Oct 02, 2006

SUSPENSION LETTER WRITTEN

LETTER OF SUSPENSION E-MAILED

Oct 02, 2006

LETTER OF SUSPENSION E-MAILED

ASSIGNED TO EXAMINER

Sep 21, 2006

ASSIGNED TO EXAMINER

NEW APPLICATION ENTERED

Apr 24, 2006

NEW APPLICATION ENTERED

Other Marks by HACHETTE BOOK GROUP, INC.

Additional USPTO filings from the same owner.

BAS

BASIC V VENTURE

98844122

Hachette Book Group, Inc.

REGISTERED

BAS

BASIC LIBERTY

98844114

Hachette Book Group, Inc.

REGISTERED

REQ

REQUITED

98867235

Hachette Book Group, Inc.

REGISTERED

RRE

R REQUITED

99037570

Hachette Book Group, Inc.

REGISTERED

Other Marks in Class 016 — Paper goods, books & stationery

Recently filed and registered marks in the same international class.

MIN

MINDFUL SUDOKU

99097470

Meghan Kim

REGISTERED

SUD

SUDOKU PROFESSOR

97305242

Chadwick Infomedia

REGISTERED

NIN

NINJA

79220246

KAWASAKI MOTORS, LTD.

REGISTERED

NIN

NINJA

88279140

SHARKNINJA OPERATING LLC

REGISTERED

Other Marks by Erin Hennessy

Additional USPTO filings handled by the same attorney of record.

BAS

BASIC V VENTURE

98844122

REGISTERED

BAS

BASIC LIBERTY

98844114

REGISTERED

REQ

REQUITED

98867235

REGISTERED

RRE

R REQUITED

99037570

REGISTERED

NINJA SUDOKU

Run a conflict check

Other Marks by HACHETTE BOOK GROUP, INC.

Other Marks in Class 016 — Paper goods, books & stationery

Other Marks by Erin Hennessy

Get pre-filing clearance

Search 15M+ trademarks

Resources

Company