Who owns the SIGMA PI trademark?

The SIGMA PI trademark is owned by Sigma Pi Fraternity, International, Inc., The.

What class is the SIGMA PI trademark registered in?

The SIGMA PI trademark is registered in Class 200 (Class 200).

What is the serial number for SIGMA PI?

The USPTO serial number for SIGMA PI is 75071035.

What is the registration number for SIGMA PI?

SIGMA PI is registered under USPTO registration number 2035616.

Sealvo

Home Search: SIGMA PISIGMA PI #75071035

Back

Updated Sep 27, 2026·15 searches this week

View on USPTO TSDR Find similar marks

SIG

USPTO Trademark Record

REGISTERED

SIGMA PI

SN 75071035·Reg 2035616·Filed Mar 12, 1996

Owner Sigma Pi Fraternity, International, Inc., The

SIGMA PI (Serial No. 75071035), Registration No. 2035616, is a registered US trademark filed on Mar 12, 1996 by Sigma Pi Fraternity, International, Inc., The. This trademark covers Class 200 (Class 200).

renewal 30y period: February 04, 2027129 days remaining

Conflict Analysis

Full conflict analysis for SIGMA PI (SN 75071035) against the USPTO database with detailed risk factor explanations. AI-powered — takes ~1-2 min.

Mark Intelligence

SIGMA PI (Reg. #2035616) is a registered US trademark that has been protecting its owner, Sigma Pi Fraternity, International, Inc., The, since 1996. The mark covers Class 200 (Class 200). The mark faced 1 opposition proceeding during prosecution.

FILED

Mar 12, 1996

SERIAL

75071035

REG#

2035616

REGISTERED

Feb 04, 1997

Filing Information

StatusREGISTERED

Filing DateMar 12, 1996

Serial Number75071035

Registration No.2035616

Registration DateFeb 04, 1997

Status DateApr 05, 2016

Published for OppositionNov 12, 1996

Filing Basis & Declarations

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

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 200Class 200

US codes: 200

First use anywhere: Feb 11, 1907

First use in commerce: May 21, 1908

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

22 events

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

Feb 04, 2026

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

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

Apr 05, 2016

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

REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)

Apr 05, 2016

REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)

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

Apr 05, 2016

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

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Apr 04, 2016

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Mar 26, 2016

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

TEAS SECTION 8 & 9 RECEIVED

Mar 17, 2016

TEAS SECTION 8 & 9 RECEIVED

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

Apr 03, 2007

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

REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)

Apr 03, 2007

REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)

TEAS SECTION 8 & 9 RECEIVED

Feb 02, 2007

TEAS SECTION 8 & 9 RECEIVED

REGISTERED - COMBINED SECTION 8 (10-YR) & SEC. 9 FILED

Feb 02, 2007

REGISTERED - COMBINED SECTION 8 (10-YR) & SEC. 9 FILED

CASE FILE IN TICRS

Dec 22, 2006

CASE FILE IN TICRS

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

Apr 18, 2003

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

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

Jan 21, 2003

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

PAPER RECEIVED

Jan 21, 2003

PAPER RECEIVED

REGISTERED-PRINCIPAL REGISTER

Feb 04, 1997

REGISTERED-PRINCIPAL REGISTER

PUBLISHED FOR OPPOSITION

Nov 12, 1996

PUBLISHED FOR OPPOSITION

NOTICE OF PUBLICATION

Oct 11, 1996

NOTICE OF PUBLICATION

APPROVED FOR PUB - PRINCIPAL REGISTER

Sep 13, 1996

APPROVED FOR PUB - PRINCIPAL REGISTER

PREVIOUS ALLOWANCE COUNT WITHDRAWN

Sep 12, 1996

PREVIOUS ALLOWANCE COUNT WITHDRAWN

APPROVED FOR PUB - PRINCIPAL REGISTER

Sep 09, 1996

APPROVED FOR PUB - PRINCIPAL REGISTER

ASSIGNED TO EXAMINER

Sep 06, 1996

ASSIGNED TO EXAMINER

Other Marks by Sigma Pi Fraternity, International, Inc., The

Additional USPTO filings from the same owner.

LOG

LogoMark

73759930

SIGMA PI FRATERNITY, INTERNATIONAL, INC., THE

REGISTERED

LOG

LogoMark

73759929

SIGMA PI FRATERNITY, INTERNATIONAL, INC., THE

REGISTERED

LOG

LogoMark

73760395

SIGMA PI FRATERNITY, INTERNATIONAL, INC., THE

REGISTERED

SIG

SIGMA PI

73759864

SIGMA PI FRATERNITY, INTERNATIONAL, INC., THE

ABANDONED

Other Marks in Class 200 — Class 200

Recently filed and registered marks in the same international class.

SIG

SIGMA PI

73759864

SIGMA PI FRATERNITY, INTERNATIONAL, INC., THE

ABANDONED

PIS

PI SIGMA EPSILON

76471060

Pi Sigma Epsilon, Incorporated

REGISTERED

PHI

PHI SIGMA PI

74325998

Phi Sigma Pi National Honor Fraternity, Inc.

REGISTERED

SIG

SIGMA PI PHI

77689651

Grand Boule of the Sigma Pi Phi Fraternity

REGISTERED

Other Marks by Jack A. Wheat

Additional USPTO filings handled by the same attorney of record.

KEN

KENTUCKY'S BIG TRUCK ATTORNEY

99226704

REGISTERED

IND

INDIANA'S BIG TRUCK ATTORNEY

99226852

REGISTERED

COC

COCKTAIL CADDY

87355982

REGISTERED

CHI

CHI PHI

78758015

REGISTERED

SIGMA PI

Run a conflict check

Other Marks by Sigma Pi Fraternity, International, Inc., The

Other Marks in Class 200 — Class 200

Other Marks by Jack A. Wheat

Get pre-filing clearance

Search 15M+ trademarks

Resources

Company