Who owns the ERSAI trademark?

The ERSAI trademark is owned by Dewpoint Therapeutics, Inc..

What class is the ERSAI trademark registered in?

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

What is the serial number for ERSAI?

The USPTO serial number for ERSAI is 97145951.

What is the registration number for ERSAI?

ERSAI is registered under USPTO registration number 8223057.

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Updated Oct 3, 2026·22 searches this week

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ERS

USPTO Trademark Record

REGISTERED

ERSAI

SN 97145951·Reg 8223057·Filed Nov 29, 2021

Owner Dewpoint Therapeutics, Inc.

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.

ERSAI (Serial No. 97145951), Registration No. 8223057, is a registered US trademark filed on Nov 29, 2021 by Dewpoint Therapeutics, Inc.. This trademark covers Class 042 (Scientific, technology & SaaS services).

early section 8: April 21, 2032

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Mark Intelligence

ERSAI (Reg. #8223057) is a registered US trademark that has been protecting its owner, Dewpoint Therapeutics, Inc., since 2021. 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

Nov 29, 2021

SERIAL

97145951

REG#

8223057

REGISTERED

Apr 21, 2026

Filing Information

StatusREGISTERED

Filing DateNov 29, 2021

Serial Number97145951

Registration No.8223057

Registration DateApr 21, 2026

Status DateApr 21, 2026

Published for OppositionJul 18, 2023

Filing Basis & Declarations

Standard Characters ClaimedUse Application Currently

International Filings

Madrid Protocol1 filings

This mark has 1 Madrid Protocol filing on record with the USPTO.

1687409

480May 27, 2022

Source: USPTO Madrid International Filing Requests

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 042Scientific, technology & SaaS services

US codes: 100, 101

First use anywhere: Mar 22, 2023

First use in commerce: Mar 22, 2023

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

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Status History

42 events

REGISTERED-PRINCIPAL REGISTER

Apr 21, 2026

REGISTERED-PRINCIPAL REGISTER

NOTICE OF REGISTRATION CONFIRMATION EMAILED

Apr 21, 2026

NOTICE OF REGISTRATION CONFIRMATION EMAILED

ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED

Apr 01, 2026

ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED

NOTICE OF ACCEPTANCE OF STATEMENT OF USE E-MAILED

Apr 01, 2026

NOTICE OF ACCEPTANCE OF STATEMENT OF USE E-MAILED

STATEMENT OF USE PROCESSING COMPLETE

Mar 06, 2026

STATEMENT OF USE PROCESSING COMPLETE

CASE ASSIGNED TO INTENT TO USE PARALEGAL

Mar 05, 2026

CASE ASSIGNED TO INTENT TO USE PARALEGAL

TEAS STATEMENT OF USE RECEIVED

Aug 28, 2025

TEAS STATEMENT OF USE RECEIVED

USE AMENDMENT FILED

Aug 28, 2025

USE AMENDMENT FILED

SOU EXTENSION 3 GRANTED

Mar 13, 2025

SOU EXTENSION 3 GRANTED

NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED

Mar 13, 2025

NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED

SOU TEAS EXTENSION RECEIVED

Mar 12, 2025

SOU TEAS EXTENSION RECEIVED

SOU EXTENSION 3 FILED

Mar 12, 2025

SOU EXTENSION 3 FILED

SOU TEAS EXTENSION RECEIVED

Sep 10, 2024

SOU TEAS EXTENSION RECEIVED

SOU EXTENSION 2 FILED

Sep 10, 2024

SOU EXTENSION 2 FILED

SOU EXTENSION 2 GRANTED

Sep 10, 2024

SOU EXTENSION 2 GRANTED

NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED

Sep 10, 2024

NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED

Mar 09, 2024

NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED

SOU TEAS EXTENSION RECEIVED

Mar 08, 2024

SOU TEAS EXTENSION RECEIVED

SOU EXTENSION 1 FILED

Mar 08, 2024

SOU EXTENSION 1 FILED

SOU EXTENSION 1 GRANTED

Mar 08, 2024

SOU EXTENSION 1 GRANTED

NOA E-MAILED - SOU REQUIRED FROM APPLICANT

Sep 12, 2023

NOA E-MAILED - SOU REQUIRED FROM APPLICANT

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Jul 18, 2023

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

PUBLISHED FOR OPPOSITION

Jul 18, 2023

PUBLISHED FOR OPPOSITION

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Jun 28, 2023

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

APPROVED FOR PUB - PRINCIPAL REGISTER

Jun 14, 2023

APPROVED FOR PUB - PRINCIPAL REGISTER

TEAS/EMAIL CORRESPONDENCE ENTERED

May 12, 2023

TEAS/EMAIL CORRESPONDENCE ENTERED

TEAS RESPONSE TO OFFICE ACTION RECEIVED

May 11, 2023

TEAS RESPONSE TO OFFICE ACTION RECEIVED

CORRESPONDENCE RECEIVED IN LAW OFFICE

May 11, 2023

CORRESPONDENCE RECEIVED IN LAW OFFICE

NON-FINAL ACTION WRITTEN

Feb 16, 2023

NON-FINAL ACTION WRITTEN

NON-FINAL ACTION E-MAILED

Feb 16, 2023

NON-FINAL ACTION E-MAILED

NOTIFICATION OF NON-FINAL ACTION E-MAILED

Feb 16, 2023

NOTIFICATION OF NON-FINAL ACTION E-MAILED

PREVIOUS ALLOWANCE COUNT WITHDRAWN

Feb 14, 2023

PREVIOUS ALLOWANCE COUNT WITHDRAWN

WITHDRAWN FROM PUB - OG REVIEW QUERY

Dec 13, 2022

WITHDRAWN FROM PUB - OG REVIEW QUERY

APPROVED FOR PUB - PRINCIPAL REGISTER

Dec 01, 2022

APPROVED FOR PUB - PRINCIPAL REGISTER

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Nov 29, 2022

TEAS RESPONSE TO OFFICE ACTION RECEIVED

CORRESPONDENCE RECEIVED IN LAW OFFICE

Nov 29, 2022

CORRESPONDENCE RECEIVED IN LAW OFFICE

TEAS/EMAIL CORRESPONDENCE ENTERED

Nov 29, 2022

TEAS/EMAIL CORRESPONDENCE ENTERED

NON-FINAL ACTION WRITTEN

Jun 22, 2022

NON-FINAL ACTION WRITTEN

NON-FINAL ACTION E-MAILED

Jun 22, 2022

NON-FINAL ACTION E-MAILED

NOTIFICATION OF NON-FINAL ACTION E-MAILED

Jun 22, 2022

NOTIFICATION OF NON-FINAL ACTION E-MAILED

ASSIGNED TO EXAMINER

Jun 21, 2022

ASSIGNED TO EXAMINER

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Dec 02, 2021

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

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PENDING

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