Who owns the PT trademark?

The PT trademark is owned by CALIBER HOLDINGS LLC.

What is the serial number for PT?

The USPTO serial number for PT is 88036866.

What is the registration number for PT?

PT is registered under USPTO registration number 5771367.

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Updated Oct 18, 2026·17 searches this week

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USPTO Trademark Record

REGISTERED

PT

Q: What class is the PT trademark registered in?

The PT trademark is registered in Class 037 (Construction, installation & repair services), Class 042 (Scientific, technology & SaaS services).

SN 88036866·Reg 5771367·Filed Jul 13, 2018

Owner CALIBER HOLDINGS LLC

Construction services; installation and repair services; mining extraction, oil and gas drilling.; Scientific and technological services and research and design relating thereto; industrial analysis, industrial research and industrial design services; quality control and authentication services; design and development of computer hardware and software.

PT (Serial No. 88036866), Registration No. 5771367, is a registered US trademark filed on Jul 13, 2018 by CALIBER HOLDINGS LLC. This trademark covers Class 037 (Construction, installation & repair services), Class 042 (Scientific, technology & SaaS services).

Section 8/9 declaration window: June 04, 2029

Mark Intelligence

PT (Reg. #5771367) is a registered US trademark that has been protecting its owner, CALIBER HOLDINGS LLC, since 2018. The mark covers Class 037 (Construction, installation & repair services) and Class 042 (Scientific, technology & SaaS services) respectively. Goods and services include Construction services; installation and repair services; mining extraction, oil and gas drilling.; Scientific and techno.... The mark faced 1 opposition proceeding during prosecution.

FILED

Jul 13, 2018

SERIAL

88036866

REG#

5771367

REGISTERED

Jun 04, 2019

Filing Information

StatusREGISTERED

Filing DateJul 13, 2018

Serial Number88036866

Registration No.5771367

Registration DateJun 04, 2019

Status DateOct 07, 2025

Published for OppositionJan 01, 2019

Filing Basis & Declarations

Use Application CurrentlySection 8 AcceptedSection 15 Acknowledged

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 037Construction, installation & repair services

US codes: 100, 103, 106

First use anywhere: Jul 13, 2018

First use in commerce: Jul 13, 2018

Construction services; installation and repair services; mining extraction, oil and gas drilling.

Class 042Scientific, technology & SaaS services

US codes: 100, 101

First use anywhere: Jul 13, 2018

First use in commerce: Jul 13, 2018

Scientific and technological services and research and design relating thereto; industrial analysis, industrial research and industrial design services; quality control and authentication services; design and development of computer hardware and software.

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

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Status History

41 events

TEAS CHANGE OF OWNER ADDRESS RECEIVED

Oct 16, 2025

TEAS CHANGE OF OWNER ADDRESS RECEIVED

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

Oct 16, 2025

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

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

Oct 16, 2025

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Oct 16, 2025

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Oct 16, 2025

TEAS CHANGE OF CORRESPONDENCE RECEIVED

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Oct 07, 2025

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

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

Oct 07, 2025

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

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

Oct 07, 2025

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

TEAS SECTION 8 & 15 RECEIVED

Jun 04, 2025

TEAS SECTION 8 & 15 RECEIVED

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

Jun 04, 2024

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

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

Feb 07, 2024

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

Aug 04, 2021

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

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

Feb 11, 2021

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Feb 11, 2021

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS

Feb 11, 2021

TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Feb 11, 2021

TEAS CHANGE OF CORRESPONDENCE RECEIVED

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

Jul 03, 2019

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

REGISTERED-PRINCIPAL REGISTER

Jun 04, 2019

REGISTERED-PRINCIPAL REGISTER

NOTICE OF ACCEPTANCE OF STATEMENT OF USE E-MAILED

May 02, 2019

NOTICE OF ACCEPTANCE OF STATEMENT OF USE E-MAILED

ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED

May 01, 2019

ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED

STATEMENT OF USE PROCESSING COMPLETE

Apr 19, 2019

STATEMENT OF USE PROCESSING COMPLETE

CASE ASSIGNED TO INTENT TO USE PARALEGAL

Apr 19, 2019

CASE ASSIGNED TO INTENT TO USE PARALEGAL

TEAS STATEMENT OF USE RECEIVED

Apr 03, 2019

TEAS STATEMENT OF USE RECEIVED

USE AMENDMENT FILED

Apr 03, 2019

USE AMENDMENT FILED

NOA E-MAILED - SOU REQUIRED FROM APPLICANT

Feb 26, 2019

NOA E-MAILED - SOU REQUIRED FROM APPLICANT

PUBLISHED FOR OPPOSITION

Jan 01, 2019

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Jan 01, 2019

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Dec 12, 2018

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

APPROVED FOR PUB - PRINCIPAL REGISTER

Nov 20, 2018

APPROVED FOR PUB - PRINCIPAL REGISTER

CORRESPONDENCE RECEIVED IN LAW OFFICE

Nov 19, 2018

CORRESPONDENCE RECEIVED IN LAW OFFICE

TEAS/EMAIL CORRESPONDENCE ENTERED

Nov 19, 2018

TEAS/EMAIL CORRESPONDENCE ENTERED

ASSIGNED TO LIE

Nov 16, 2018

ASSIGNED TO LIE

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Nov 05, 2018

TEAS RESPONSE TO OFFICE ACTION RECEIVED

EXAMINERS AMENDMENT AND/OR PRIORITY ACTION - COMPLETED

Nov 02, 2018

EXAMINERS AMENDMENT AND/OR PRIORITY ACTION - COMPLETED

COMBINED EXAMINER'S AMENDMENT/PRIORITY ACTION AUTOMATIC ENTRY

Nov 02, 2018

COMBINED EXAMINER'S AMENDMENT/PRIORITY ACTION AUTOMATIC ENTRY

EXAMINER'S AMENDMENT/PRIORITY ACTION E-MAILED

Nov 02, 2018

EXAMINER'S AMENDMENT/PRIORITY ACTION E-MAILED

NOTIFICATION OF EXAMINER'S AMENDMENT/PRIORITY ACTION E-MAILED

Nov 02, 2018

NOTIFICATION OF EXAMINER'S AMENDMENT/PRIORITY ACTION E-MAILED

ASSIGNED TO EXAMINER

Nov 01, 2018

ASSIGNED TO EXAMINER

NOTICE OF DESIGN SEARCH CODE E-MAILED

Jul 19, 2018

NOTICE OF DESIGN SEARCH CODE E-MAILED

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Jul 18, 2018

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

Jul 17, 2018

NEW APPLICATION ENTERED

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