E815
TEAS SECTION 8 & 15 RECEIVED
07/29/2026
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Official data from USPTO
LIBTAYO
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Active USPTO registrationType: CombinedOffice: United States
Risk and opportunity diagnosis
Executive reading for naming, filing, and monitoring decisions.
USPTO status
Active USPTO registration
Case type
Application and registration
Recorded events
37
Latest update
07/29/2026
Trademark type
Combined
Nice classes
5
Filing date
09/26/2018
Registration date
12/08/2020
Expiration date
-
Complete case details
Structured fields from the responsible authority and the official record.
Status date
12/08/2020
Last transaction
07/29/2026
Responsible office
United States Patent and Trademark Office
Status code
700
Official register
Principal Register
Filing basis
Intent to use
First use anywhere
10/03/2018
First use in commerce
10/03/2018
Drawing code
3
Owner type
03
Owner location
Tarrytown, NY, US
Examiner
BUTLER, MIDGE
Law office
L70
Current location
PUBLICATION AND ISSUE SECTION
Mark description
The mark consists of the word "LIBTAYO" in a stylized font with an antibody design to the left of the word "LIBTAYO".
Holders and representatives
Holders
Regeneron Pharmaceuticals, Inc.
Representatives
Jeffrey J. Scepanski Ruggiero McAllister & McMahon LLC
Technical classification
Nice Classes
Class 5
Vienna Codes
No Vienna codes available.
Goods and services
Class 5
Pharmaceutical preparationsanti-cancer preparations
Publications
History of USPTO decisions and trademark events.
37 publications found
REM1
COURTESY REMINDER - SEC. 8 (6-YR) E-MAILED
12/08/2025
TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
06/30/2025
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
06/30/2025
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
06/30/2025
CHAN
APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
06/30/2025
COAR
TEAS CHANGE OF OWNER ADDRESS RECEIVED
06/30/2025
TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
07/14/2022
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
07/14/2022
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
07/14/2022
R.PR
REGISTERED-PRINCIPAL REGISTER
12/08/2020
SUNA
NOTICE OF ACCEPTANCE OF STATEMENT OF USE E-MAILED
11/03/2020
CNPR
ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED
11/02/2020
SUPC
STATEMENT OF USE PROCESSING COMPLETE
10/31/2020
AITU
CASE ASSIGNED TO INTENT TO USE PARALEGAL
10/31/2020
IUAF
USE AMENDMENT FILED
10/15/2020
EISU
TEAS STATEMENT OF USE RECEIVED
10/15/2020
EXRA
NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED
03/31/2020
EX1G
SOU EXTENSION 1 GRANTED
03/27/2020
EXT1
SOU EXTENSION 1 FILED
03/27/2020
EEXT
SOU TEAS EXTENSION RECEIVED
03/27/2020
NOAM
NOA E-MAILED - SOU REQUIRED FROM APPLICANT
10/22/2019
NPUB
OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED
08/27/2019
PUBO
PUBLISHED FOR OPPOSITION
08/27/2019
NONP
NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED
08/07/2019
ALIE
ASSIGNED TO LIE
07/21/2019
CNSA
APPROVED FOR PUB - PRINCIPAL REGISTER
07/10/2019
TEME
TEAS/EMAIL CORRESPONDENCE ENTERED
07/09/2019
CRFA
CORRESPONDENCE RECEIVED IN LAW OFFICE
07/08/2019
TROA
TEAS RESPONSE TO OFFICE ACTION RECEIVED
07/08/2019
GNRN
NOTIFICATION OF NON-FINAL ACTION E-MAILED
01/09/2019
GNRT
NON-FINAL ACTION E-MAILED
01/09/2019
CNRT
NON-FINAL ACTION WRITTEN
01/09/2019
DOCK
ASSIGNED TO EXAMINER
01/08/2019
MDSC
NOTICE OF DESIGN SEARCH CODE E-MAILED
10/05/2018
NWOS
NEW APPLICATION OFFICE SUPPLIED DATA ENTERED
10/04/2018
NWAP
NEW APPLICATION ENTERED
09/29/2018
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