SELLAS

LIVE

Serial Number

86863987

Owner

SLSG LIMITED LLC

Attorney

Karen K. Won

First Use Date

Dec 9, 2019

Filing Date

Jan 3, 2016

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SELLAS Trademark

Serial Number: 86863987 • Registration: 5991389

SELLAS is a trademark filed by SLSG LIMITED LLC on January 3, 2016. The trademark is classified under Class 5 (Pharmaceuticals), Class 42 (Computer & Scientific). The application is currently registered and active.

Trademark Classes

Class 5 - Pharmaceuticals

Pharmaceutical and veterinary preparations; sanitary preparations for medical purposes

Class 42 - Computer & Scientific

Scientific and technological services; industrial analysis and research services

Owner Contact Info

SLSG LIMITED LLC (5 trademarks)

1675 SOUTH STATE ST.
DOVER, DE 19901

Entity Type: 16

SELLAS LIFE SCIENCES GROUP LTD. (3 trademarks)

3 BERMUDIANA ROAD
HAMILTON HM 11 , BM

Entity Type: 11

Sellas Life Sciences Group AG (4 trademarks)

Baarerstr. 75
Zug CH-6300 , CH

Entity Type: 99

Legal Representation

Attorney of Record

Karen K. Won

300 trademarks filed View all →

Correspondence Address

Karen K. Won MINTZ, LEVIN, COHN, FERRIS, GLOVSKY AND POPEO, P.C

One Financial Center

Boston, MA 02111

United States

Trademark Details

Filing Date

January 3, 2016

Registration Date

February 18, 2020

First Use Anywhere

December 9, 2019

First Use in Commerce

December 9, 2019

Published for Opposition

December 6, 2016

Goods & Services

Scientific research and development for medical, pharmaceutical, and biopharmaceutical purposes; consulting in the field of medical, pharmaceutical, and biopharmaceutical research and product development; conducting of clinical trials, for others and development of pharmaceutical products, biopharmaceutical products, and other therapeutic products; development of cancer vaccines, and treatment products for cancer and central nervous system (CNS) disorders

Pharmaceutical and biopharmaceutical preparations for the treatment of cancer and central nervous system (CNS) disorders

Filing History

NOTICE OF ACCEPTANCE OF SEC. 8 & 15 - E-MAILED

May 8, 2026 NA85

REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK.

May 8, 2026 C15A

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

May 8, 2026 APRE

TEAS SECTION 8 & 15 RECEIVED

Feb 17, 2026 E815

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Dec 31, 2025 TCCA

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Dec 31, 2025 ARAA

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

Dec 31, 2025 REAP

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

Dec 31, 2025 CHAN

TEAS CHANGE OF OWNER ADDRESS RECEIVED

Dec 31, 2025 COAR

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

Feb 18, 2025 REM1

REGISTERED-PRINCIPAL REGISTER

Feb 18, 2020 R.PR

NOTICE OF ACCEPTANCE OF STATEMENT OF USE E-MAILED

Jan 15, 2020 SUNA

ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED

Jan 14, 2020 CNPR

STATEMENT OF USE PROCESSING COMPLETE

Dec 28, 2019 SUPC

USE AMENDMENT FILED

Dec 18, 2019 IUAF

TEAS STATEMENT OF USE RECEIVED

Dec 18, 2019 EISU

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Dec 12, 2019 ARAA

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

Dec 12, 2019 REAP

NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED

Jul 30, 2019 EXRA

SOU EXTENSION 5 GRANTED

Jul 29, 2019 EX5G

CASE ASSIGNED TO INTENT TO USE PARALEGAL

Jul 29, 2019 AITU

SOU EXTENSION 5 FILED

Jul 24, 2019 EXT5

SOU TEAS EXTENSION RECEIVED

Jul 24, 2019 EEXT

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

Jul 10, 2019 ASGN

NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED

Jan 30, 2019 EXRA

SOU EXTENSION 4 GRANTED

Jan 28, 2019 EX4G

SOU EXTENSION 4 FILED

Jan 28, 2019 EXT4

SOU TEAS EXTENSION RECEIVED

Jan 28, 2019 EEXT

NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED

Jul 31, 2018 EXRA

SOU EXTENSION 3 GRANTED

Jul 27, 2018 EX3G

SOU EXTENSION 3 FILED

Jul 27, 2018 EXT3

SOU TEAS EXTENSION RECEIVED

Jul 27, 2018 EEXT

NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED

Jan 27, 2018 EXRA

SOU EXTENSION 2 GRANTED

Jan 25, 2018 EX2G

SOU EXTENSION 2 FILED

Jan 25, 2018 EXT2

SOU TEAS EXTENSION RECEIVED

Jan 25, 2018 EEXT

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

Jul 19, 2017 ASGN

NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED

Jul 15, 2017 EXRA

SOU EXTENSION 1 GRANTED

Jul 13, 2017 EX1G

SOU EXTENSION 1 FILED

Jul 13, 2017 EXT1

SOU TEAS EXTENSION RECEIVED

Jul 13, 2017 EEXT

NOA E-MAILED - SOU REQUIRED FROM APPLICANT

Jan 31, 2017 NOAM

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Dec 6, 2016 NPUB

PUBLISHED FOR OPPOSITION

Dec 6, 2016 PUBO

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Nov 16, 2016 NONP

LAW OFFICE PUBLICATION REVIEW COMPLETED

Nov 3, 2016 PREV

APPROVED FOR PUB - PRINCIPAL REGISTER

Oct 26, 2016 CNSA

EXAMINER'S AMENDMENT ENTERED

Oct 26, 2016 XAEC

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

Oct 26, 2016 GNEN

EXAMINERS AMENDMENT E-MAILED

Oct 26, 2016 GNEA

EXAMINERS AMENDMENT -WRITTEN

Oct 26, 2016 CNEA

TEAS/EMAIL CORRESPONDENCE ENTERED

Oct 6, 2016 TEME

CORRESPONDENCE RECEIVED IN LAW OFFICE

Oct 6, 2016 CRFA

ASSIGNED TO LIE

Oct 2, 2016 ALIE

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Sep 23, 2016 TROA

NOTIFICATION OF NON-FINAL ACTION E-MAILED

Apr 25, 2016 GNRN

NON-FINAL ACTION E-MAILED

Apr 25, 2016 GNRT

NON-FINAL ACTION WRITTEN

Apr 25, 2016 CNRT

ASSIGNED TO EXAMINER

Apr 19, 2016 DOCK

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Jan 12, 2016 NWOS

NEW APPLICATION ENTERED

Jan 6, 2016 NWAP

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