Who owns the ISTACK trademark?

The ISTACK trademark is owned by iStack Holdings Limited.

What is the serial number for ISTACK?

The USPTO serial number for ISTACK is 97004383.

What is the registration number for ISTACK?

ISTACK is registered under USPTO registration number 6960547.

Sealvo

Home Search: ISTACKISTACK #97004383

Back

Updated Oct 7, 2026·18 searches this week

View on USPTO TSDR Find similar marks

IST

USPTO Trademark Record

REGISTERED

ISTACK

Q: What class is the ISTACK trademark registered in?

The ISTACK trademark is registered in Class 035 (Advertising, business management & retail services), Class 041 (Education & entertainment services).

SN 97004383·Reg 6960547·Filed Aug 31, 2021

Owner iStack Holdings Limited

Advertising; business management, organization and administration; office functions.; Education; providing of training; entertainment; sporting and cultural activities.

ISTACK (Serial No. 97004383), Registration No. 6960547, is a registered US trademark filed on Aug 31, 2021 by iStack Holdings Limited. This trademark covers Class 035 (Advertising, business management & retail services), Class 041 (Education & entertainment services).

early section 8: January 24, 2029

Mark Intelligence

ISTACK (Reg. #6960547) is a registered US trademark that has been protecting its owner, iStack Holdings Limited, since 2021. The mark covers Class 035 (Advertising, business management & retail services) and Class 041 (Education & entertainment services) respectively. Goods and services include Advertising; business management, organization and administration; office functions.; Education; providing of training; .... The mark faced 1 opposition proceeding during prosecution.

FILED

Aug 31, 2021

SERIAL

97004383

REG#

6960547

REGISTERED

Jan 24, 2023

Filing Information

StatusREGISTERED

Filing DateAug 31, 2021

Serial Number97004383

Registration No.6960547

Registration DateJan 24, 2023

Status DateJan 24, 2023

Published for OppositionNov 08, 2022

Filing Basis & Declarations

Standard Characters ClaimedFiled as Use ApplicationUse Application Currently

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 035Advertising, business management & retail services

US codes: 100, 101, 102

First use anywhere: Nov 30, 2014

First use in commerce: Nov 30, 2014

Advertising; business management, organization and administration; office functions.

Class 041Education & entertainment services

US codes: 100, 101, 107

First use anywhere: Nov 30, 2014

First use in commerce: Nov 30, 2014

Education; providing of training; entertainment; sporting and cultural activities.

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

15 events

REGISTERED-PRINCIPAL REGISTER

Jan 24, 2023

REGISTERED-PRINCIPAL REGISTER

NOTICE OF REGISTRATION CONFIRMATION EMAILED

Jan 24, 2023

NOTICE OF REGISTRATION CONFIRMATION EMAILED

PUBLISHED FOR OPPOSITION

Nov 08, 2022

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Nov 08, 2022

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Oct 19, 2022

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Oct 05, 2022

TEAS RESPONSE TO OFFICE ACTION RECEIVED

CORRESPONDENCE RECEIVED IN LAW OFFICE

Oct 05, 2022

CORRESPONDENCE RECEIVED IN LAW OFFICE

TEAS/EMAIL CORRESPONDENCE ENTERED

Oct 05, 2022

TEAS/EMAIL CORRESPONDENCE ENTERED

APPROVED FOR PUB - PRINCIPAL REGISTER

Oct 05, 2022

APPROVED FOR PUB - PRINCIPAL REGISTER

NON-FINAL ACTION WRITTEN

Jun 06, 2022

NON-FINAL ACTION WRITTEN

NON-FINAL ACTION E-MAILED

Jun 06, 2022

NON-FINAL ACTION E-MAILED

NOTIFICATION OF NON-FINAL ACTION E-MAILED

Jun 06, 2022

NOTIFICATION OF NON-FINAL ACTION E-MAILED

ASSIGNED TO EXAMINER

Jun 05, 2022

ASSIGNED TO EXAMINER

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Oct 14, 2021

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

Sep 03, 2021

NEW APPLICATION ENTERED

Other Marks by iStack Holdings Limited

Additional USPTO filings from the same owner.

AWA

AW AFFILIATE WORLD CONFERENCES

86958419

iStack Holdings Limited

REGISTERED

STM

STM.

88064197

iStack Holdings Limited

REGISTERED

ECO

ECOMWORLD

97004431

iStack Holdings Limited

REGISTERED

STM

STM.

86958411

iStack Holdings Limited

ABANDONED

Other Marks in Class 035 — Advertising, business management & retail services

Recently filed and registered marks in the same international class.

IST

ISTACK

98538215

Repricity Holdco, Inc.

REGISTERED

IST

ISTACK

87360280

Airpura Industries Inc.

REGISTERED

Other Marks by Robyn S. Lederman

Additional USPTO filings handled by the same attorney of record.

RAW

RAWMIX50

98045151

REGISTERED

2L2

2L 2L COLLECTION HOSPITALITY

79443126

REGISTERED

SHR

SHRIMPS

79277670

REGISTERED

LOW

LOW-RIDER

88742176

REGISTERED

ISTACK

Run a conflict check

Other Marks by iStack Holdings Limited

Other Marks in Class 035 — Advertising, business management & retail services

Other Marks by Robyn S. Lederman

Get pre-filing clearance

Search 14M+ trademarks

Resources

Company