Who owns the SIGMA trademark?

The SIGMA trademark is owned by Karsten Manufacturing Corporation.

What class is the SIGMA trademark registered in?

The SIGMA trademark is registered in Class 028 (Games, toys & sporting goods).

What is the serial number for SIGMA?

The USPTO serial number for SIGMA is 87575351.

What is the registration number for SIGMA?

SIGMA is registered under USPTO registration number 5567027.

Sealvo

Home Search: SIGMASIGMA #87575351

Back

Updated Sep 19, 2026·38 searches this week

View on USPTO TSDR Find similar marks

SIG

USPTO Trademark Record

REGISTERED

SIGMA

SN 87575351·Reg 5567027·Filed Aug 18, 2017

Owner Karsten Manufacturing Corporation

Games, toys and playthings; video game apparatus; gymnastic and sporting articles; decorations for Christmas trees.

SIGMA (Serial No. 87575351), Registration No. 5567027, is a registered US trademark filed on Aug 18, 2017 by Karsten Manufacturing Corporation. This trademark covers Class 028 (Games, toys & sporting goods).

Section 8/9 declaration window: September 18, 2028

Conflict Analysis

Full conflict analysis for SIGMA (SN 87575351) against the USPTO database with detailed risk factor explanations. AI-powered — takes ~1-2 min.

Mark Intelligence

SIGMA (Reg. #5567027) is a registered US trademark that has been protecting its owner, Karsten Manufacturing Corporation, since 2017. The mark covers Class 028 (Games, toys & sporting goods). Goods and services include Games, toys and playthings; video game apparatus; gymnastic and sporting articles; decorations for Christmas trees.. The mark faced 1 opposition proceeding during prosecution.

FILED

Aug 18, 2017

SERIAL

87575351

REG#

5567027

REGISTERED

Sep 18, 2018

Filing Information

StatusREGISTERED

Filing DateAug 18, 2017

Serial Number87575351

Registration No.5567027

Registration DateSep 18, 2018

Status DateJan 31, 2025

Published for OppositionNov 07, 2017

Filing Basis & Declarations

Standard Characters ClaimedUse Application CurrentlySection 8 AcceptedSection 15 AcknowledgedTrademark

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 028Games, toys & sporting goods

US codes: 022, 023, 038, 050

First use anywhere: Jan 24, 2017

First use in commerce: Jan 24, 2017

Games, toys and playthings; video game apparatus; gymnastic and sporting articles; decorations for Christmas trees.

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

20 events

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

Jan 31, 2025

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

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

Jan 31, 2025

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

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Jan 30, 2025

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

TEAS SECTION 8 & 15 RECEIVED

Sep 12, 2024

TEAS SECTION 8 & 15 RECEIVED

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

Sep 18, 2023

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

REGISTERED-PRINCIPAL REGISTER

Sep 18, 2018

REGISTERED-PRINCIPAL REGISTER

NOTICE OF ACCEPTANCE OF STATEMENT OF USE E-MAILED

Aug 17, 2018

NOTICE OF ACCEPTANCE OF STATEMENT OF USE E-MAILED

ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED

Aug 16, 2018

ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED

CASE ASSIGNED TO INTENT TO USE PARALEGAL

Jul 26, 2018

CASE ASSIGNED TO INTENT TO USE PARALEGAL

STATEMENT OF USE PROCESSING COMPLETE

Jul 26, 2018

STATEMENT OF USE PROCESSING COMPLETE

USE AMENDMENT FILED

Jul 02, 2018

USE AMENDMENT FILED

TEAS STATEMENT OF USE RECEIVED

Jul 02, 2018

TEAS STATEMENT OF USE RECEIVED

NOA E-MAILED - SOU REQUIRED FROM APPLICANT

Jan 02, 2018

NOA E-MAILED - SOU REQUIRED FROM APPLICANT

PUBLISHED FOR OPPOSITION

Nov 07, 2017

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Nov 07, 2017

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Oct 18, 2017

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

ASSIGNED TO EXAMINER

Sep 26, 2017

ASSIGNED TO EXAMINER

APPROVED FOR PUB - PRINCIPAL REGISTER

Sep 26, 2017

APPROVED FOR PUB - PRINCIPAL REGISTER

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Aug 24, 2017

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

Aug 22, 2017

NEW APPLICATION ENTERED

Other Marks by Karsten Manufacturing Corporation

Additional USPTO filings from the same owner.

ALT

ALTA

86555246

Karsten Manufacturing Corporation

REGISTERED

PING

86979096

Karsten Manufacturing Corporation

REGISTERED

PING

86127201

Karsten Manufacturing Corporation

REGISTERED

LOG

LogoMark

88978146

Karsten Manufacturing Corporation

REGISTERED

Other Marks in Class 028 — Games, toys & sporting goods

Recently filed and registered marks in the same international class.

SIG

SIGMA

74340743

SHAKESPEARE ALL STAR ACQUISITION LLC

ABANDONED

SIG

SIGMA

73493237

SIGMA ENTERPRISES, INC.

ABANDONED

SIG

SIGMA

78382390

Cybex International, Inc.

ABANDONED

SIG

SIGMA

73246088

Shakespeare Company

ABANDONED

Other Marks by Paul A. Jenny

Additional USPTO filings handled by the same attorney of record.

ALT

ALTA

86555246

REGISTERED

PING

86979096

REGISTERED

PING

86127201

REGISTERED

LOG

LogoMark

88978146

REGISTERED

SIGMA

Run a conflict check

Other Marks by Karsten Manufacturing Corporation

Other Marks in Class 028 — Games, toys & sporting goods

Other Marks by Paul A. Jenny

Get pre-filing clearance

Search 15M+ trademarks

Resources

Company