Who owns the ECHO trademark?

The ECHO trademark is owned by Celyntra Therapeutics SA.

What is the serial number for ECHO?

The USPTO serial number for ECHO is 79441998.

What is the registration number for ECHO?

ECHO is registered under USPTO registration number 8418423.

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Home Search: ECHOECHO #79441998

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Updated Oct 6, 2026·32 searches this week

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ECH

USPTO Trademark Record

REGISTERED

ECHO

Q: What class is the ECHO trademark registered in?

The ECHO trademark is registered in Class 040 (Treatment & processing of materials), Class 042 (Scientific, technology & SaaS services).

SN 79441998·Reg 8418423·Filed Oct 21, 2025

Owner Celyntra Therapeutics SA

Treatment of materials; recycling of waste and trash; air purification and treatment of water; printing services; food and drink preservation.; 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.

ECHO (Serial No. 79441998), Registration No. 8418423, is a registered US trademark filed on Oct 21, 2025 by Celyntra Therapeutics SA. This trademark covers Class 040 (Treatment & processing of materials), Class 042 (Scientific, technology & SaaS services).

early section 8: September 01, 2032

Mark Intelligence

ECHO (Reg. #8418423) is a registered US trademark that has been protecting its owner, Celyntra Therapeutics SA, since 2025. The mark covers Class 040 (Treatment & processing of materials) and Class 042 (Scientific, technology & SaaS services) respectively. Goods and services include Treatment of materials; recycling of waste and trash; air purification and treatment of water; printing services; food a.... The mark faced 3 opposition proceedings during prosecution.

FILED

Oct 21, 2025

SERIAL

79441998

REG#

8418423

REGISTERED

Sep 01, 2026

Filing Information

StatusREGISTERED

Filing DateOct 21, 2025

Serial Number79441998

Registration No.8418423

Registration DateSep 01, 2026

Status DateSep 01, 2026

Published for OppositionJul 14, 2026

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 040Treatment & processing of materials

US codes: 100, 103, 106

Treatment of materials; recycling of waste and trash; air purification and treatment of water; printing services; food and drink preservation.

Class 042Scientific, technology & SaaS services

US codes: 100, 101

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

21 events

REGISTERED-PRINCIPAL REGISTER

Sep 01, 2026

REGISTERED-PRINCIPAL REGISTER

NOTICE OF REGISTRATION CONFIRMATION EMAILED

Sep 01, 2026

NOTICE OF REGISTRATION CONFIRMATION EMAILED

PUBLISHED FOR OPPOSITION

Jul 14, 2026

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Jul 14, 2026

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION PROCESSED BY IB

Jul 09, 2026

NOTIFICATION PROCESSED BY IB

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Jul 08, 2026

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

NOTICE OF START OF OPPOSITION PERIOD CREATED, TO BE SENT TO IB

Jun 24, 2026

NOTICE OF START OF OPPOSITION PERIOD CREATED, TO BE SENT TO IB

NOTIFICATION OF POSSIBLE OPPOSITION SENT TO IB

Jun 24, 2026

NOTIFICATION OF POSSIBLE OPPOSITION SENT TO IB

APPROVED FOR PUB - PRINCIPAL REGISTER

Jun 13, 2026

APPROVED FOR PUB - PRINCIPAL REGISTER

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Jun 09, 2026

TEAS RESPONSE TO OFFICE ACTION RECEIVED

CORRESPONDENCE RECEIVED IN LAW OFFICE

Jun 09, 2026

CORRESPONDENCE RECEIVED IN LAW OFFICE

TEAS/EMAIL CORRESPONDENCE ENTERED

Jun 09, 2026

TEAS/EMAIL CORRESPONDENCE ENTERED

REFUSAL PROCESSED BY IB

Jun 04, 2026

REFUSAL PROCESSED BY IB

NON-FINAL ACTION MAILED - REFUSAL SENT TO IB

May 15, 2026

NON-FINAL ACTION MAILED - REFUSAL SENT TO IB

REFUSAL PROCESSED BY MPU

May 14, 2026

REFUSAL PROCESSED BY MPU

NON-FINAL ACTION (IB REFUSAL) PREPARED FOR REVIEW

Mar 28, 2026

NON-FINAL ACTION (IB REFUSAL) PREPARED FOR REVIEW

NON-FINAL ACTION WRITTEN

Mar 27, 2026

NON-FINAL ACTION WRITTEN

ASSIGNED TO EXAMINER

Mar 06, 2026

ASSIGNED TO EXAMINER

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Jan 27, 2026

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

APPLICATION FILING RECEIPT MAILED

Jan 27, 2026

APPLICATION FILING RECEIPT MAILED

SN ASSIGNED FOR SECT 66A APPL FROM IB

Jan 22, 2026

SN ASSIGNED FOR SECT 66A APPL FROM IB

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