Who owns the ELZONRIS trademark?

The ELZONRIS trademark is owned by Stemline Therapeutics, Inc..

What class is the ELZONRIS trademark registered in?

The ELZONRIS trademark is registered in Class 005 (Pharmaceuticals, medical & veterinary preparations).

What is the serial number for ELZONRIS?

The USPTO serial number for ELZONRIS is 87843152.

What is the registration number for ELZONRIS?

ELZONRIS is registered under USPTO registration number 5782895.

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ELZ

USPTO Trademark Record

REGISTERED

ELZONRIS

SN 87843152·Reg 5782895·Filed Mar 21, 2018

Owner Stemline Therapeutics, Inc.

Pharmaceuticals, medical and veterinary preparations; sanitary preparations for medical purposes; dietetic food and substances adapted for medical or veterinary purposes, food for babies; dietary supplements for human beings and animals; adhesive plasters, materials for dressings; material for filling teeth, dental wax; disinfectants; preparations for destroying vermin; fungicides, herbicides.

ELZONRIS (Serial No. 87843152), Registration No. 5782895, is a registered US trademark filed on Mar 21, 2018 by Stemline Therapeutics, Inc.. This trademark covers Class 005 (Pharmaceuticals, medical & veterinary preparations).

Section 8/9 declaration window: June 18, 2029

Conflict Analysis

Full conflict analysis for ELZONRIS (SN 87843152) against the USPTO database with detailed risk factor explanations. AI-powered — takes ~1-2 min.

Mark Intelligence

ELZONRIS (Reg. #5782895) is a registered US trademark that has been protecting its owner, Stemline Therapeutics, Inc., since 2018. The mark covers Class 005 (Pharmaceuticals, medical & veterinary preparations). Goods and services include Pharmaceuticals, medical and veterinary preparations; sanitary preparations for medical purposes; dietetic food and subs.... The mark faced 1 opposition proceeding during prosecution.

FILED

Mar 21, 2018

SERIAL

87843152

REG#

5782895

REGISTERED

Jun 18, 2019

Filing Information

StatusREGISTERED

Filing DateMar 21, 2018

Serial Number87843152

Registration No.5782895

Registration DateJun 18, 2019

Status DateOct 04, 2025

Published for OppositionFeb 12, 2019

Filing Basis & Declarations

Standard Characters ClaimedUse Application CurrentlySection 8 AcceptedSection 15 AcknowledgedTrademark

International Filings

Madrid Protocol1 filings

This mark has 1 Madrid Protocol filing on record with the USPTO.

1468901

480Apr 09, 2019

Source: USPTO Madrid International Filing Requests

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 005Pharmaceuticals, medical & veterinary preparations

US codes: 006, 018, 044, 046, 051, 052

First use anywhere: Jan 23, 2019

First use in commerce: Jan 23, 2019

This description is as filed with the USPTO and defines the scope of trademark protection.

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Status History

30 events

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Oct 04, 2025

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

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

Oct 04, 2025

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

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

Oct 04, 2025

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

TEAS SECTION 8 & 15 RECEIVED

Jun 02, 2025

TEAS SECTION 8 & 15 RECEIVED

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

Jun 18, 2024

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

REGISTERED-PRINCIPAL REGISTER

Jun 18, 2019

REGISTERED-PRINCIPAL REGISTER

NOTICE OF ACCEPTANCE OF STATEMENT OF USE E-MAILED

May 16, 2019

NOTICE OF ACCEPTANCE OF STATEMENT OF USE E-MAILED

ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED

May 15, 2019

ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED

STATEMENT OF USE PROCESSING COMPLETE

Apr 23, 2019

STATEMENT OF USE PROCESSING COMPLETE

CASE ASSIGNED TO INTENT TO USE PARALEGAL

Apr 23, 2019

CASE ASSIGNED TO INTENT TO USE PARALEGAL

TEAS STATEMENT OF USE RECEIVED

Apr 10, 2019

TEAS STATEMENT OF USE RECEIVED

USE AMENDMENT FILED

Apr 10, 2019

USE AMENDMENT FILED

NOA E-MAILED - SOU REQUIRED FROM APPLICANT

Apr 09, 2019

NOA E-MAILED - SOU REQUIRED FROM APPLICANT

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Feb 18, 2019

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

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

Feb 18, 2019

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

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Feb 12, 2019

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

PUBLISHED FOR OPPOSITION

Feb 12, 2019

PUBLISHED FOR OPPOSITION

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Jan 23, 2019

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

LAW OFFICE PUBLICATION REVIEW COMPLETED

Jan 09, 2019

LAW OFFICE PUBLICATION REVIEW COMPLETED

ASSIGNED TO LIE

Jan 07, 2019

ASSIGNED TO LIE

APPROVED FOR PUB - PRINCIPAL REGISTER

Dec 13, 2018

APPROVED FOR PUB - PRINCIPAL REGISTER

TEAS/EMAIL CORRESPONDENCE ENTERED

Dec 12, 2018

TEAS/EMAIL CORRESPONDENCE ENTERED

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Dec 12, 2018

TEAS RESPONSE TO OFFICE ACTION RECEIVED

CORRESPONDENCE RECEIVED IN LAW OFFICE

Dec 12, 2018

CORRESPONDENCE RECEIVED IN LAW OFFICE

ASSIGNED TO EXAMINER

Jul 03, 2018

ASSIGNED TO EXAMINER

NON-FINAL ACTION WRITTEN

Jul 03, 2018

NON-FINAL ACTION WRITTEN

NON-FINAL ACTION E-MAILED

Jul 03, 2018

NON-FINAL ACTION E-MAILED

NOTIFICATION OF NON-FINAL ACTION E-MAILED

Jul 03, 2018

NOTIFICATION OF NON-FINAL ACTION E-MAILED

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Mar 28, 2018

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

Mar 24, 2018

NEW APPLICATION ENTERED

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