Who owns the IONSTREAM trademark?

The IONSTREAM trademark is owned by Ionstream LLC.

What class is the IONSTREAM trademark registered in?

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

What is the serial number for IONSTREAM?

The USPTO serial number for IONSTREAM is 99421330.

What is the registration number for IONSTREAM?

IONSTREAM is registered under USPTO registration number 8398400.

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Updated Oct 7, 2026·25 searches this week

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ION

USPTO Trademark Record

REGISTERED

IONSTREAM

SN 99421330·Reg 8398400·Filed Sep 30, 2025

Owner Ionstream 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.

IONSTREAM (Serial No. 99421330), Registration No. 8398400, is a registered US trademark filed on Sep 30, 2025 by Ionstream LLC. This trademark covers Class 042 (Scientific, technology & SaaS services).

early section 8: August 18, 2032

Mark Intelligence

IONSTREAM (Reg. #8398400) is a registered US trademark that has been protecting its owner, Ionstream LLC, since 2025. 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

Sep 30, 2025

SERIAL

99421330

REG#

8398400

REGISTERED

Aug 18, 2026

Filing Information

StatusREGISTERED

Filing DateSep 30, 2025

Serial Number99421330

Registration No.8398400

Registration DateAug 18, 2026

Status DateAug 18, 2026

Published for OppositionJun 30, 2026

Filing Basis & Declarations

Standard Characters ClaimedFiled as Use ApplicationUse Application Currently

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 042Scientific, technology & SaaS services

US codes: 100, 101

First use anywhere: Jul 31, 2024

First use in commerce: Jul 31, 2024

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

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Status History

21 events

REGISTERED-PRINCIPAL REGISTER

Aug 18, 2026

REGISTERED-PRINCIPAL REGISTER

NOTICE OF REGISTRATION CONFIRMATION EMAILED

Aug 18, 2026

NOTICE OF REGISTRATION CONFIRMATION EMAILED

PUBLISHED FOR OPPOSITION

Jun 30, 2026

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Jun 30, 2026

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Jun 24, 2026

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

EXAMINERS AMENDMENT -WRITTEN

Jun 02, 2026

EXAMINERS AMENDMENT -WRITTEN

EXAMINERS AMENDMENT E-MAILED

Jun 02, 2026

EXAMINERS AMENDMENT E-MAILED

EXAMINER'S AMENDMENT ENTERED

Jun 02, 2026

EXAMINER'S AMENDMENT ENTERED

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

Jun 02, 2026

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

APPROVED FOR PUB - PRINCIPAL REGISTER

Jun 02, 2026

APPROVED FOR PUB - PRINCIPAL REGISTER

TEAS/EMAIL CORRESPONDENCE ENTERED

May 30, 2026

TEAS/EMAIL CORRESPONDENCE ENTERED

TEAS RESPONSE TO OFFICE ACTION RECEIVED

May 28, 2026

TEAS RESPONSE TO OFFICE ACTION RECEIVED

CORRESPONDENCE RECEIVED IN LAW OFFICE

May 28, 2026

CORRESPONDENCE RECEIVED IN LAW OFFICE

NON-FINAL ACTION WRITTEN

Mar 03, 2026

NON-FINAL ACTION WRITTEN

NON-FINAL ACTION E-MAILED

Mar 03, 2026

NON-FINAL ACTION E-MAILED

NOTIFICATION OF NON-FINAL ACTION E-MAILED

Mar 03, 2026

NOTIFICATION OF NON-FINAL ACTION E-MAILED

ASSIGNED TO EXAMINER

Mar 01, 2026

ASSIGNED TO EXAMINER

Feb 19, 2026

ASSIGNED TO EXAMINER

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Feb 10, 2026

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

Sep 30, 2025

NEW APPLICATION ENTERED

APPLICATION FILING RECEIPT MAILED

Sep 30, 2025

APPLICATION FILING RECEIPT MAILED

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