DAY ONE

LIVE

Serial Number

88193220

Owner

DAY ONE BIOPHARMACEUTICALS, INC.

Attorney

Connie L. Ellerbach

First Use Date

Jul 15, 2019

Filing Date

Nov 14, 2018

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DAY ONE Trademark

Serial Number: 88193220 • Registration: 6201030

DAY ONE is a trademark filed by DAY ONE BIOPHARMACEUTICALS, INC. on November 14, 2018. The trademark is classified under Class 42 (Computer & Scientific). The application is currently registered and active.

Trademark Classes

Class 42 - Computer & Scientific

Scientific and technological services; industrial analysis and research services

Owner Contact Info

DAY ONE BIOPHARMACEUTICALS, INC. (17 trademarks)

1800 Sierra Point Parkway, Suite 200
Brisbane, CA 94005

Entity Type: 03

DAY ONE THERAPEUTICS, INC. (4 trademarks)

2765 SAND HILL ROAD
MENLO PARK, CA 94025

Entity Type: 03

Hero Therapeutics, Inc. (2 trademarks)

2765 Sand Hill Road
Menlo Park, CA 94025

Entity Type: 03

Legal Representation

Attorney of Record

Connie L. Ellerbach

1,389 trademarks filed View all →

Correspondence Address

Connie L. Ellerbach Fenwick & West LLP

801 California Street

Silicon Valley Center

Mountain View, CA 94041

United States

Trademark Details

Filing Date

November 14, 2018

Registration Date

November 17, 2020

First Use Anywhere

July 15, 2019

First Use in Commerce

July 15, 2019

Published for Opposition

April 23, 2019

Goods & Services

Research and development in the pharmaceutical and biotechnology fields

Filing History

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

Nov 17, 2025 REM1

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Jan 10, 2025 TCCA

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Jan 10, 2025 ARAA

TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED

Jan 10, 2025 REAP

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

Jan 10, 2025 CHAN

TEAS CHANGE OF OWNER ADDRESS RECEIVED

Jan 10, 2025 COAR

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Sep 22, 2023 TCCA

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Sep 22, 2023 ARAA

TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED

Sep 22, 2023 REAP

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

Sep 22, 2023 CHAN

TEAS CHANGE OF OWNER ADDRESS RECEIVED

Sep 22, 2023 COAR

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

Feb 3, 2021 ASGN

REGISTERED-PRINCIPAL REGISTER

Nov 17, 2020 R.PR

NOTICE OF ACCEPTANCE OF STATEMENT OF USE E-MAILED

Oct 15, 2020 SUNA

ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED

Oct 14, 2020 CNPR

STATEMENT OF USE PROCESSING COMPLETE

Sep 23, 2020 SUPC

CASE ASSIGNED TO INTENT TO USE PARALEGAL

Sep 21, 2020 AITU

USE AMENDMENT FILED

Sep 4, 2020 IUAF

TEAS STATEMENT OF USE RECEIVED

Sep 4, 2020 EISU

NOA E-MAILED - SOU REQUIRED FROM APPLICANT

Apr 28, 2020 NOAM

TTAB RELEASE CASE TO TRADEMARKS

Mar 18, 2020 TMBN

OPPOSITION TERMINATED NO. 999999

Mar 18, 2020 OP.T

OPPOSITION DISMISSED NO. 999999

Mar 18, 2020 OP.D

OPPOSITION INSTITUTED NO. 999999

Aug 9, 2019 OP.I

EXTENSION OF TIME TO OPPOSE RECEIVED

May 22, 2019 ETOF

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Apr 23, 2019 NPUB

PUBLISHED FOR OPPOSITION

Apr 23, 2019 PUBO

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

Apr 3, 2019 ASCK

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Apr 3, 2019 NONP

ASSIGNED TO LIE

Mar 11, 2019 ALIE

APPROVED FOR PUB - PRINCIPAL REGISTER

Feb 19, 2019 CNSA

EXAMINER'S AMENDMENT ENTERED

Feb 19, 2019 XAEC

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

Feb 19, 2019 GNEN

EXAMINERS AMENDMENT E-MAILED

Feb 19, 2019 GNEA

EXAMINERS AMENDMENT -WRITTEN

Feb 19, 2019 CNEA

ASSIGNED TO EXAMINER

Feb 19, 2019 DOCK

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Dec 1, 2018 NWOS

NEW APPLICATION ENTERED

Nov 17, 2018 NWAP

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