ASGN
AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP
06/17/2026
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Official data from USPTO
SYNTHORX
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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
48
Latest update
06/18/2026
Trademark type
Combined
Nice classes
42
Filing date
07/09/2019
Registration date
02/07/2023
Expiration date
-
Complete case details
Structured fields from the responsible authority and the official record.
Status date
02/07/2023
Last transaction
06/18/2026
Responsible office
United States Patent and Trademark Office
Status code
700
Official register
Principal Register
Filing basis
Intent to use
First use anywhere
11/09/2022
First use in commerce
11/09/2022
Drawing code
3
Owner type
03
Owner location
PARIS, FR
Examiner
LAMONT, JOHN CHRISTOPHER
Law office
N50
Current location
PUBLICATION AND ISSUE SECTION
Mark description
The mark consists of the term "SYNTHORX" in stylized font with a double helix design within the "O" in "SYNTHORX".
Holders and representatives
Holders
SANOFI
Synthorx, Inc.
Synthorx, Inc.
Representatives
Alexandra Kochian Fross Zelnick Lehrman & Zissu, P.C.
Technical classification
Nice Classes
Class 42
Vienna Codes
No Vienna codes available.
Goods and services
Class 42
medical research; scientific research in the field of DNA; pharmaceutical research and development; laboratory research services in the field of pharmaceuticals; pharmaceutical research in the field of protein therapeutics; pharmaceutical research in the fields of immunology including rheumatologyoncology including immuno-oncologypulmonologygastroenterologyendocrinologydermatologyurologygynecology including fertilityinfectiology including virologyophthalmologyhepatologyneurologygeriatricsgenetics and phenomicspathologyproteomicsveterinary medicine and diagnostics; providing medical and scientific research information in the field of pharmaceuticals and clinical trials; pharmaceutical research using a semi-synthetic organism for use in drug development; pharmaceutical researchresearch relating to synthetic proteins incorporating one or more non-natural amino acids for improving pharmacological properties; pharmaceutical researchresearch relating to synthetic proteins for use in connection with a wide variety of therapeutic agents
Publications
History of USPTO decisions and trademark events.
48 publications found
EWAF
TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS
12/02/2025
TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
12/02/2025
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
12/02/2025
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
12/02/2025
CHAN
APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
12/02/2025
COAR
TEAS CHANGE OF OWNER ADDRESS RECEIVED
12/02/2025
NRCC
NOTICE OF REGISTRATION CONFIRMATION EMAILED
02/07/2023
R.PR
REGISTERED-PRINCIPAL REGISTER
02/07/2023
SUNA
NOTICE OF ACCEPTANCE OF STATEMENT OF USE E-MAILED
01/05/2023
CNPR
ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED
01/04/2023
SUPC
STATEMENT OF USE PROCESSING COMPLETE
12/07/2022
IUAF
USE AMENDMENT FILED
12/01/2022
EISU
TEAS STATEMENT OF USE RECEIVED
12/01/2022
EXRA
NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED
06/08/2022
EX5G
SOU EXTENSION 5 GRANTED
06/07/2022
AITU
CASE ASSIGNED TO INTENT TO USE PARALEGAL
06/07/2022
EXT5
SOU EXTENSION 5 FILED
06/01/2022
EEXT
SOU TEAS EXTENSION RECEIVED
06/01/2022
EXRA
NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED
11/12/2021
EX4G
SOU EXTENSION 4 GRANTED
11/10/2021
EXT4
SOU EXTENSION 4 FILED
11/10/2021
EEXT
SOU TEAS EXTENSION RECEIVED
11/10/2021
EXRA
NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED
05/07/2021
EX3G
SOU EXTENSION 3 GRANTED
05/05/2021
EXT3
SOU EXTENSION 3 FILED
05/05/2021
EEXT
SOU TEAS EXTENSION RECEIVED
05/05/2021
EXRA
NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED
11/05/2020
EX2G
SOU EXTENSION 2 GRANTED
11/03/2020
EXT2
SOU EXTENSION 2 FILED
11/03/2020
EEXT
SOU TEAS EXTENSION RECEIVED
11/03/2020
EXRA
NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED
06/11/2020
EX1G
SOU EXTENSION 1 GRANTED
06/09/2020
EXT1
SOU EXTENSION 1 FILED
06/09/2020
EEXT
SOU TEAS EXTENSION RECEIVED
06/09/2020
CHAN
APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
02/10/2020
COAR
TEAS CHANGE OF OWNER ADDRESS RECEIVED
02/10/2020
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
02/07/2020
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
02/07/2020
NOAM
NOA E-MAILED - SOU REQUIRED FROM APPLICANT
12/31/2019
NPUB
OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED
11/05/2019
PUBO
PUBLISHED FOR OPPOSITION
11/05/2019
NONP
NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED
10/16/2019
CNSA
APPROVED FOR PUB - PRINCIPAL REGISTER
09/26/2019
DOCK
ASSIGNED TO EXAMINER
09/25/2019
MDSC
NOTICE OF DESIGN SEARCH CODE E-MAILED
07/18/2019
NWOS
NEW APPLICATION OFFICE SUPPLIED DATA ENTERED
07/17/2019
NWAP
NEW APPLICATION ENTERED
07/12/2019
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