Who owns the PI-SQUARED trademark?

The PI-SQUARED trademark is owned by Pi-Squared Pizza, LLC.

What class is the PI-SQUARED trademark registered in?

The PI-SQUARED trademark is registered in Class 043 (Food & beverage services, hospitality).

What is the serial number for PI-SQUARED?

The USPTO serial number for PI-SQUARED is 87439295.

What is the registration number for PI-SQUARED?

PI-SQUARED is registered under USPTO registration number 5677553.

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Updated Sep 26, 2026·24 searches this week

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PIS

USPTO Trademark Record

REGISTERED

PI-SQUARED

SN 87439295·Reg 5677553·Filed May 05, 2017

Owner Pi-Squared Pizza, LLC

Services for providing food and drink; temporary accommodation.

PI-SQUARED (Serial No. 87439295), Registration No. 5677553, is a registered US trademark filed on May 05, 2017 by Pi-Squared Pizza, LLC. This trademark covers Class 043 (Food & beverage services, hospitality).

Section 8/9 declaration window: February 19, 2029

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Mark Intelligence

PI-SQUARED (Reg. #5677553) is a registered US trademark that has been protecting its owner, Pi-Squared Pizza, LLC, since 2017. The mark covers Class 043 (Food & beverage services, hospitality). Goods and services include Services for providing food and drink; temporary accommodation.. The mark faced 1 opposition proceeding during prosecution.

FILED

May 05, 2017

SERIAL

87439295

REG#

5677553

REGISTERED

Feb 19, 2019

Filing Information

StatusREGISTERED

Filing DateMay 05, 2017

Serial Number87439295

Registration No.5677553

Registration DateFeb 19, 2019

Status DateJun 13, 2025

Published for OppositionNov 06, 2018

Filing Basis & Declarations

Filed as Use ApplicationUse Application CurrentlySection 8 AcceptedSection 15 Acknowledged

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 043Food & beverage services, hospitality

US codes: 100, 101

First use anywhere: Oct 05, 2015

First use in commerce: Oct 05, 2015

Services for providing food and drink; temporary accommodation.

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

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Status History

34 events

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

Jun 13, 2025

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

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

Jun 13, 2025

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

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Jun 12, 2025

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

Mar 19, 2025

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

TEAS SECTION 8 & 15 RECEIVED

Feb 19, 2025

TEAS SECTION 8 & 15 RECEIVED

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

Feb 19, 2024

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

NOTICE OF SUIT

Jul 30, 2020

NOTICE OF SUIT

May 22, 2020

NOTICE OF SUIT

REGISTERED-PRINCIPAL REGISTER

Feb 19, 2019

REGISTERED-PRINCIPAL REGISTER

EXTENSION OF TIME TO OPPOSE PROCESS - TERMINATED

Jan 16, 2019

EXTENSION OF TIME TO OPPOSE PROCESS - TERMINATED

EXTENSION OF TIME TO OPPOSE RECEIVED

Nov 07, 2018

EXTENSION OF TIME TO OPPOSE RECEIVED

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Nov 06, 2018

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

PUBLISHED FOR OPPOSITION

Nov 06, 2018

PUBLISHED FOR OPPOSITION

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Oct 17, 2018

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

ASSIGNED TO LIE

Sep 25, 2018

ASSIGNED TO LIE

APPROVED FOR PUB - PRINCIPAL REGISTER

Sep 12, 2018

APPROVED FOR PUB - PRINCIPAL REGISTER

TEAS/EMAIL CORRESPONDENCE ENTERED

Aug 15, 2018

TEAS/EMAIL CORRESPONDENCE ENTERED

TEAS REQUEST FOR RECONSIDERATION RECEIVED

Aug 14, 2018

TEAS REQUEST FOR RECONSIDERATION RECEIVED

CORRESPONDENCE RECEIVED IN LAW OFFICE

Aug 14, 2018

CORRESPONDENCE RECEIVED IN LAW OFFICE

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

May 18, 2018

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

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

May 18, 2018

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

FINAL REFUSAL E-MAILED

Mar 06, 2018

FINAL REFUSAL E-MAILED

NOTIFICATION OF FINAL REFUSAL EMAILED

Mar 06, 2018

NOTIFICATION OF FINAL REFUSAL EMAILED

FINAL REFUSAL WRITTEN

Mar 06, 2018

FINAL REFUSAL WRITTEN

TEAS/EMAIL CORRESPONDENCE ENTERED

Feb 08, 2018

TEAS/EMAIL CORRESPONDENCE ENTERED

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Feb 07, 2018

TEAS RESPONSE TO OFFICE ACTION RECEIVED

CORRESPONDENCE RECEIVED IN LAW OFFICE

Feb 07, 2018

CORRESPONDENCE RECEIVED IN LAW OFFICE

NON-FINAL ACTION E-MAILED

Aug 07, 2017

NON-FINAL ACTION E-MAILED

NOTIFICATION OF NON-FINAL ACTION E-MAILED

Aug 07, 2017

NOTIFICATION OF NON-FINAL ACTION E-MAILED

NON-FINAL ACTION WRITTEN

Aug 07, 2017

NON-FINAL ACTION WRITTEN

ASSIGNED TO EXAMINER

Aug 02, 2017

ASSIGNED TO EXAMINER

NOTICE OF DESIGN SEARCH CODE E-MAILED

May 12, 2017

NOTICE OF DESIGN SEARCH CODE E-MAILED

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

May 11, 2017

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

May 09, 2017

NEW APPLICATION ENTERED

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