Who owns the PST trademark?

The PST trademark is owned by Ourk1, LLC.

What class is the PST trademark registered in?

The PST trademark is registered in Class 042 (Scientific, technology & SaaS services).

What is the serial number for PST?

The USPTO serial number for PST is 88085832.

What is the registration number for PST?

PST is registered under USPTO registration number 5732424.

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Updated Oct 30, 2026·15 searches this week

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PST

USPTO Trademark Record

ABANDONED

PST

SN 88085832·Reg 5732424·Filed Aug 21, 2018

Owner Ourk1, LLC

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.

PST (Serial No. 88085832), Registration No. 5732424, is a abandoned US trademark filed on Aug 21, 2018 by Ourk1, LLC. This trademark covers Class 042 (Scientific, technology & SaaS services).

Mark Intelligence

PST (Reg. #5732424) is an abandoned US trademark that was filed in 2018 but has since been abandoned. The mark covers Class 042 (Scientific, technology & SaaS services). Goods and services include Scientific and technological services and research and design relating thereto; industrial analysis, industrial research.... The mark faced 1 opposition proceeding during prosecution.

FILED

Aug 21, 2018

SERIAL

88085832

REG#

5732424

REGISTERED

Apr 23, 2019

Filing Information

StatusABANDONED

Filing DateAug 21, 2018

Serial Number88085832

Registration No.5732424

Registration DateApr 23, 2019

Status DateNov 07, 2025

Published for OppositionFeb 05, 2019

Filing Basis & Declarations

Filed as Use ApplicationUse Application Currently

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 042Scientific, technology & SaaS services

US codes: 100, 101

First use anywhere: Mar 08, 2015

First use in commerce: Oct 15, 2016

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

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Status History

16 events

CANCELLED SEC. 8 (6-YR)

Nov 07, 2025

CANCELLED SEC. 8 (6-YR)

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

Apr 23, 2024

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

REGISTERED-PRINCIPAL REGISTER

Apr 23, 2019

REGISTERED-PRINCIPAL REGISTER

PUBLISHED FOR OPPOSITION

Feb 05, 2019

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Feb 05, 2019

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Jan 16, 2019

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

ASSIGNED TO LIE

Dec 26, 2018

ASSIGNED TO LIE

EXAMINERS AMENDMENT -WRITTEN

Dec 07, 2018

EXAMINERS AMENDMENT -WRITTEN

EXAMINERS AMENDMENT E-MAILED

Dec 07, 2018

EXAMINERS AMENDMENT E-MAILED

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

Dec 07, 2018

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

EXAMINER'S AMENDMENT ENTERED

Dec 07, 2018

EXAMINER'S AMENDMENT ENTERED

APPROVED FOR PUB - PRINCIPAL REGISTER

Dec 07, 2018

APPROVED FOR PUB - PRINCIPAL REGISTER

ASSIGNED TO EXAMINER

Dec 06, 2018

ASSIGNED TO EXAMINER

NOTICE OF DESIGN SEARCH CODE E-MAILED

Aug 30, 2018

NOTICE OF DESIGN SEARCH CODE E-MAILED

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Aug 29, 2018

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

Aug 24, 2018

NEW APPLICATION ENTERED

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