ZELTHERVA

Serial Number 87048494
Registration 5978465
700

Registration Progress

Application Filed
May 24, 2016
Under Examination
Dec 20, 2016
Approved for Publication
Oct 25, 2016
Published for Opposition
Oct 25, 2016
Registered
Feb 4, 2020

Attorney Assistance

Section 8 Declaration Due (Principal Register) (Based on registration date 20200204)
Due: Feb 04, 2026 7 days

Trademark Image

ZELTHERVA

Basic Information

Serial Number
87048494
Registration Number
5978465
Filing Date
May 24, 2016
Registration Date
February 4, 2020
Published for Opposition
October 25, 2016
Drawing Code
4

Status Summary

Current Status
Active
Status Code
700
Status Date
Feb 4, 2020
Registration
Registered
Classes
005

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
Hamilton BM

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
7 days remaining
Section 8 Declaration Due (Principal Register) (Based on registration date 20200204)
Due Date
February 04, 2026
Grace Period Ends
August 04, 2026
Additional deadlines exist. Contact your attorney for complete deadline information.

Application History

50 events
Date Code Type Description Documents
Jan 19, 2026 E815 I TEAS SECTION 8 & 15 RECEIVED Loading...
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 4, 2025 REM1 E COURTESY REMINDER - SEC. 8 (6-YR) E-MAILED Loading...
Feb 4, 2020 R.PR A REGISTERED-PRINCIPAL REGISTER Loading...
Dec 31, 2019 SUNA E NOTICE OF ACCEPTANCE OF STATEMENT OF USE E-MAILED Loading...
Dec 30, 2019 CNPR P ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED Loading...
Dec 27, 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 10, 2019 ASGN I AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP Loading...
Jun 22, 2019 EXRA E NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED Loading...
Jun 21, 2019 EX5G S SOU EXTENSION 5 GRANTED Loading...
Jun 18, 2019 EXT5 S SOU EXTENSION 5 FILED Loading...
Jun 21, 2019 AITU A CASE ASSIGNED TO INTENT TO USE PARALEGAL Loading...
Jun 18, 2019 EEXT I SOU TEAS EXTENSION RECEIVED Loading...
Dec 14, 2018 EXRA E NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED Loading...
Dec 12, 2018 EX4G S SOU EXTENSION 4 GRANTED Loading...
Dec 12, 2018 EXT4 S SOU EXTENSION 4 FILED Loading...
Dec 12, 2018 EEXT I SOU TEAS EXTENSION RECEIVED Loading...
Jun 15, 2018 EXRA E NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED Loading...
Jun 13, 2018 EX3G S SOU EXTENSION 3 GRANTED Loading...
Jun 13, 2018 EXT3 S SOU EXTENSION 3 FILED Loading...
Jun 13, 2018 EEXT I SOU TEAS EXTENSION RECEIVED Loading...
Jun 1, 2018 DOCK D ASSIGNED TO EXAMINER Loading...
Dec 20, 2017 EXRA E NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED Loading...
Dec 18, 2017 EX2G S SOU EXTENSION 2 GRANTED Loading...
Dec 18, 2017 EXT2 S SOU EXTENSION 2 FILED Loading...
Dec 18, 2017 EEXT I SOU TEAS EXTENSION RECEIVED Loading...
Dec 18, 2017 TCCA I TEAS CHANGE OF CORRESPONDENCE RECEIVED Loading...
Jul 19, 2017 ASGN I AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP Loading...
Jun 9, 2017 EXRA E NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED Loading...
Jun 7, 2017 EX1G S SOU EXTENSION 1 GRANTED Loading...
Jun 7, 2017 EXT1 S SOU EXTENSION 1 FILED Loading...
Jun 7, 2017 EEXT I SOU TEAS EXTENSION RECEIVED Loading...
Dec 20, 2016 NOAM E NOA E-MAILED - SOU REQUIRED FROM APPLICANT Loading...
Nov 23, 2016 CHAN I APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED Loading...
Nov 23, 2016 COAR I TEAS CHANGE OF OWNER ADDRESS RECEIVED Loading...
Oct 25, 2016 NPUB E OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED Loading...
Oct 25, 2016 PUBO A PUBLISHED FOR OPPOSITION Loading...
Oct 5, 2016 NONP E NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED Loading...
Sep 13, 2016 CNSA P APPROVED FOR PUB - PRINCIPAL REGISTER Loading...
Sep 8, 2016 DOCK D ASSIGNED TO EXAMINER Loading...
Jun 1, 2016 NWOS I NEW APPLICATION OFFICE SUPPLIED DATA ENTERED Loading...
May 27, 2016 NWAP I NEW APPLICATION ENTERED Loading...

Detailed Classifications

Class 005
Pharmaceutical preparations for the treatment and prevention of cancer
First Use Anywhere: Dec 9, 2019
First Use in Commerce: Dec 9, 2019

Classification

International Classes
005