SELLAS

Serial Number 86863987
Registration 5991389
700

Registration Progress

Application Filed
Jan 3, 2016
Under Examination
Jan 31, 2017
Approved for Publication
Dec 6, 2016
Published for Opposition
Dec 6, 2016
Registered
Feb 18, 2020

Attorney Assistance

Section 8 Declaration Due (Principal Register) (Based on registration date 20200218)
Due: Feb 18, 2026 26 days

Trademark Image

SELLAS

Basic Information

Serial Number
86863987
Registration Number
5991389
Filing Date
January 3, 2016
Registration Date
February 18, 2020
Published for Opposition
December 6, 2016
Drawing Code
4

Status Summary

Current Status
Active
Status Code
700
Status Date
Feb 18, 2020
Registration
Registered
Classes
005 042

Rights Holder

SLSG LIMITED LLC

16
Address
7 Times Square, Suite 2503
New York, NY 10036

Ownership History

Sellas Life Sciences Group AG

Original Applicant
99
Zug CH

Sellas Life Sciences Group AG

Owner at Publication
99
Zug CH

SELLAS LIFE SCIENCES GROUP LTD.

New Owner After Publication #1
11
HAMILTON BM

SLSG LIMITED LLC

New Owner After Publication #2
16
DOVER, DE

SLSG LIMITED LLC

Original Registrant
16
New York, NY

Legal Representation

Attorney
Karen Won

USPTO Deadlines

Next Deadline
26 days remaining
Section 8 Declaration Due (Principal Register) (Based on registration date 20200218)
Due Date
February 18, 2026
Grace Period Ends
August 18, 2026
Additional deadlines exist. Contact your attorney for complete deadline information.

Application History

50 events
Date Code Type Description Documents
Dec 31, 2025 TCCA I TEAS CHANGE OF CORRESPONDENCE RECEIVED Loading...
Dec 31, 2025 ARAA I ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED Loading...
Dec 31, 2025 REAP I TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED Loading...
Dec 31, 2025 CHAN I APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED Loading...
Dec 31, 2025 COAR I TEAS CHANGE OF OWNER ADDRESS RECEIVED Loading...
Feb 18, 2025 REM1 E COURTESY REMINDER - SEC. 8 (6-YR) E-MAILED Loading...
Feb 18, 2020 R.PR A REGISTERED-PRINCIPAL REGISTER Loading...
Jan 15, 2020 SUNA E NOTICE OF ACCEPTANCE OF STATEMENT OF USE E-MAILED Loading...
Jan 14, 2020 CNPR P ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED Loading...
Dec 28, 2019 SUPC I STATEMENT OF USE PROCESSING COMPLETE Loading...
Dec 18, 2019 IUAF S USE AMENDMENT FILED Loading...
Dec 18, 2019 EISU I TEAS STATEMENT OF USE RECEIVED Loading...
Dec 12, 2019 ARAA I ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED Loading...
Dec 12, 2019 REAP I TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED Loading...
Jul 30, 2019 EXRA E NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED Loading...
Jul 29, 2019 EX5G S SOU EXTENSION 5 GRANTED Loading...
Jul 24, 2019 EXT5 S SOU EXTENSION 5 FILED Loading...
Jul 29, 2019 AITU A CASE ASSIGNED TO INTENT TO USE PARALEGAL Loading...
Jul 24, 2019 EEXT I SOU TEAS EXTENSION RECEIVED Loading...
Jul 10, 2019 ASGN I AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP Loading...
Jan 30, 2019 EXRA E NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED Loading...
Jan 28, 2019 EX4G S SOU EXTENSION 4 GRANTED Loading...
Jan 28, 2019 EXT4 S SOU EXTENSION 4 FILED Loading...
Jan 28, 2019 EEXT I SOU TEAS EXTENSION RECEIVED Loading...
Jul 31, 2018 EXRA E NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED Loading...
Jul 27, 2018 EX3G S SOU EXTENSION 3 GRANTED Loading...
Jul 27, 2018 EXT3 S SOU EXTENSION 3 FILED Loading...
Jul 27, 2018 EEXT I SOU TEAS EXTENSION RECEIVED Loading...
Jan 27, 2018 EXRA E NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED Loading...
Jan 25, 2018 EX2G S SOU EXTENSION 2 GRANTED Loading...
Jan 25, 2018 EXT2 S SOU EXTENSION 2 FILED Loading...
Jan 25, 2018 EEXT I SOU TEAS EXTENSION RECEIVED Loading...
Jul 19, 2017 ASGN I AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP Loading...
Jul 15, 2017 EXRA E NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED Loading...
Jul 13, 2017 EX1G S SOU EXTENSION 1 GRANTED Loading...
Jul 13, 2017 EXT1 S SOU EXTENSION 1 FILED Loading...
Jul 13, 2017 EEXT I SOU TEAS EXTENSION RECEIVED Loading...
Jan 31, 2017 NOAM E NOA E-MAILED - SOU REQUIRED FROM APPLICANT Loading...
Dec 6, 2016 NPUB E OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED Loading...
Dec 6, 2016 PUBO A PUBLISHED FOR OPPOSITION Loading...
Nov 16, 2016 NONP E NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED Loading...
Nov 3, 2016 PREV O LAW OFFICE PUBLICATION REVIEW COMPLETED Loading...
Oct 26, 2016 CNSA P APPROVED FOR PUB - PRINCIPAL REGISTER Loading...
Oct 26, 2016 XAEC I EXAMINER'S AMENDMENT ENTERED Loading...
Oct 26, 2016 GNEN O NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED Loading...
Oct 26, 2016 GNEA O EXAMINERS AMENDMENT E-MAILED Loading...
Oct 26, 2016 CNEA R EXAMINERS AMENDMENT -WRITTEN Loading...
Oct 6, 2016 TEME I TEAS/EMAIL CORRESPONDENCE ENTERED Loading...
Oct 6, 2016 CRFA I CORRESPONDENCE RECEIVED IN LAW OFFICE Loading...
Oct 2, 2016 ALIE A ASSIGNED TO LIE Loading...

Detailed Classifications

Class 005
Pharmaceutical and biopharmaceutical preparations for the treatment of cancer and central nervous system (CNS) disorders
First Use Anywhere: Dec 9, 2019
First Use in Commerce: Dec 9, 2019
Class 042
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
First Use Anywhere: 20170900
First Use in Commerce: 20170900

Additional Information

Translation
The English translation of the word "SELLAS" in the mark is "STAMP" or "SEAL".

Classification

International Classes
005 042