ASCK
ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY
06/01/2026
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Official data from USPTO
Z
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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
30
Latest update
06/02/2026
Trademark type
Combined
Nice classes
42
Filing date
11/13/2021
Registration date
12/13/2022
Expiration date
-
Complete case details
Structured fields from the responsible authority and the official record.
Status date
12/13/2022
Last transaction
06/02/2026
Responsible office
United States Patent and Trademark Office
Status code
700
Official register
Principal Register
First use anywhere
03/23/2021
First use in commerce
03/23/2021
Drawing code
5
Owner type
16
Owner location
Waltham, MA, US
Examiner
PINO, BRIAN
Law office
M50
Current location
PUBLICATION AND ISSUE SECTION
Mark description
The mark consists of a stylized letter "Z".
Holders and representatives
Holders
Zenas BioPharma (USA) LLC
Representatives
Karen Won Mintz, Levin, Cohn, Ferris, Glovsky, and Popeo P.C.
Technical classification
Nice Classes
Class 42
Vienna Codes
No Vienna codes available.
Goods and services
Class 42
Pharmaceutical development services; scientific and medical research services; pharmaceutical development servicesdevelopment of auto-immune and immune-based therapies
Publications
History of USPTO decisions and trademark events.
30 publications found
TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
02/03/2025
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
02/03/2025
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
02/03/2025
CHAN
APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
02/03/2025
COAR
TEAS CHANGE OF OWNER ADDRESS RECEIVED
02/03/2025
TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
12/11/2024
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
12/11/2024
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
12/11/2024
CHAN
APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
12/11/2024
COAR
TEAS CHANGE OF OWNER ADDRESS RECEIVED
12/11/2024
NRCC
NOTICE OF REGISTRATION CONFIRMATION EMAILED
12/13/2022
R.PR
REGISTERED-PRINCIPAL REGISTER
12/13/2022
CHAN
APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
09/27/2022
TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
09/27/2022
EWAF
TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS
09/27/2022
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
09/27/2022
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
09/27/2022
COAR
TEAS CHANGE OF OWNER ADDRESS RECEIVED
09/27/2022
NPUB
OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED
09/27/2022
PUBO
PUBLISHED FOR OPPOSITION
09/27/2022
NONP
NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED
09/07/2022
CNSA
APPROVED FOR PUB - PRINCIPAL REGISTER
08/25/2022
XAEC
EXAMINER'S AMENDMENT ENTERED
08/25/2022
GNEN
NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED
08/25/2022
GNEA
EXAMINERS AMENDMENT E-MAILED
08/25/2022
CNEA
EXAMINERS AMENDMENT -WRITTEN
08/25/2022
DOCK
ASSIGNED TO EXAMINER
08/19/2022
NWOS
NEW APPLICATION OFFICE SUPPLIED DATA ENTERED
11/19/2021
NWAP
NEW APPLICATION ENTERED
11/17/2021
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