NA85
NOTICE OF ACCEPTANCE OF SEC. 8 & 15 - E-MAILED
05/08/2026
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Official data from USPTO
SELLAS
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Active USPTO registrationType: WordOffice: 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
61
Latest update
05/09/2026
Trademark type
Word
Nice classes
5, 42
Filing date
01/03/2016
Registration date
02/18/2020
Expiration date
-
Complete case details
Structured fields from the responsible authority and the official record.
Status date
05/08/2026
Last transaction
05/09/2026
Responsible office
United States Patent and Trademark Office
Status code
702
Official register
Principal Register
Filing basis
Intent to use
First use anywhere
12/09/2019
First use in commerce
12/09/2019
Drawing code
4
Owner type
16
Owner location
New York, NY, US
Examiner
IM, JEAN H
Current location
Historical data usage
Holders and representatives
Holders
SLSG LIMITED LLC
SLSG LIMITED LLC
SELLAS LIFE SCIENCES GROUP LTD.
Sellas Life Sciences Group AG
Representatives
Karen K. Won MINTZ, LEVIN, COHN, FERRIS, GLOVSKY AND POPEO, P.C
Technical classification
Nice Classes
Class 5Class 42
Vienna Codes
No Vienna codes available.
Goods and services
Class 5
Pharmaceutical and biopharmaceutical preparations for the treatment of cancer and central nervous system (CNS) disorders
Class 42
Scientific research and development for medicalpharmaceuticalbiopharmaceutical purposes; consulting in the field of medicalpharmaceuticalbiopharmaceutical research and product development; conducting of clinical trialsfor others and development of pharmaceutical productsbiopharmaceutical productsother therapeutic products; development of cancer vaccinestreatment products for cancer and central nervous system (CNS) disorders
Publications
History of USPTO decisions and trademark events.
61 publications found
C15A
REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK.
05/08/2026
APRE
CASE ASSIGNED TO POST REGISTRATION PARALEGAL
05/08/2026
E815
TEAS SECTION 8 & 15 RECEIVED
02/17/2026
TCCA
TEAS CHANGE OF CORRESPONDENCE RECEIVED
12/31/2025
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
12/31/2025
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
12/31/2025
CHAN
APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED
12/31/2025
COAR
TEAS CHANGE OF OWNER ADDRESS RECEIVED
12/31/2025
REM1
COURTESY REMINDER - SEC. 8 (6-YR) E-MAILED
02/18/2025
R.PR
REGISTERED-PRINCIPAL REGISTER
02/18/2020
SUNA
NOTICE OF ACCEPTANCE OF STATEMENT OF USE E-MAILED
01/15/2020
CNPR
ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED
01/14/2020
SUPC
STATEMENT OF USE PROCESSING COMPLETE
12/28/2019
IUAF
USE AMENDMENT FILED
12/18/2019
EISU
TEAS STATEMENT OF USE RECEIVED
12/18/2019
ARAA
ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED
12/12/2019
REAP
TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED
12/12/2019
EXRA
NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED
07/30/2019
EX5G
SOU EXTENSION 5 GRANTED
07/29/2019
AITU
CASE ASSIGNED TO INTENT TO USE PARALEGAL
07/29/2019
EXT5
SOU EXTENSION 5 FILED
07/24/2019
EEXT
SOU TEAS EXTENSION RECEIVED
07/24/2019
ASGN
AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP
07/10/2019
EXRA
NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED
01/30/2019
EX4G
SOU EXTENSION 4 GRANTED
01/28/2019
EXT4
SOU EXTENSION 4 FILED
01/28/2019
EEXT
SOU TEAS EXTENSION RECEIVED
01/28/2019
EXRA
NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED
07/31/2018
EX3G
SOU EXTENSION 3 GRANTED
07/27/2018
EXT3
SOU EXTENSION 3 FILED
07/27/2018
EEXT
SOU TEAS EXTENSION RECEIVED
07/27/2018
EXRA
NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED
01/27/2018
EX2G
SOU EXTENSION 2 GRANTED
01/25/2018
EXT2
SOU EXTENSION 2 FILED
01/25/2018
EEXT
SOU TEAS EXTENSION RECEIVED
01/25/2018
ASGN
AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP
07/19/2017
EXRA
NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED
07/15/2017
EX1G
SOU EXTENSION 1 GRANTED
07/13/2017
EXT1
SOU EXTENSION 1 FILED
07/13/2017
EEXT
SOU TEAS EXTENSION RECEIVED
07/13/2017
NOAM
NOA E-MAILED - SOU REQUIRED FROM APPLICANT
01/31/2017
NPUB
OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED
12/06/2016
PUBO
PUBLISHED FOR OPPOSITION
12/06/2016
NONP
NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED
11/16/2016
PREV
LAW OFFICE PUBLICATION REVIEW COMPLETED
11/03/2016
CNSA
APPROVED FOR PUB - PRINCIPAL REGISTER
10/26/2016
XAEC
EXAMINER'S AMENDMENT ENTERED
10/26/2016
GNEN
NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED
10/26/2016
GNEA
EXAMINERS AMENDMENT E-MAILED
10/26/2016
CNEA
EXAMINERS AMENDMENT -WRITTEN
10/26/2016
TEME
TEAS/EMAIL CORRESPONDENCE ENTERED
10/06/2016
CRFA
CORRESPONDENCE RECEIVED IN LAW OFFICE
10/06/2016
ALIE
ASSIGNED TO LIE
10/02/2016
TROA
TEAS RESPONSE TO OFFICE ACTION RECEIVED
09/23/2016
GNRN
NOTIFICATION OF NON-FINAL ACTION E-MAILED
04/25/2016
GNRT
NON-FINAL ACTION E-MAILED
04/25/2016
CNRT
NON-FINAL ACTION WRITTEN
04/25/2016
DOCK
ASSIGNED TO EXAMINER
04/19/2016
NWOS
NEW APPLICATION OFFICE SUPPLIED DATA ENTERED
01/12/2016
NWAP
NEW APPLICATION ENTERED
01/06/2016
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