Who owns the AMYLYX trademark?

The AMYLYX trademark is owned by Amylyx Pharmaceuticals, Inc..

What class is the AMYLYX trademark registered in?

The AMYLYX trademark is registered in Class 042 (Scientific, technology & SaaS services).

What is the serial number for AMYLYX?

The USPTO serial number for AMYLYX is 88319636.

What is the registration number for AMYLYX?

AMYLYX is registered under USPTO registration number 5856852.

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Updated Sep 29, 2026·8 searches this week

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AMY

USPTO Trademark Record

REGISTERED

AMYLYX

SN 88319636·Reg 5856852·Filed Feb 28, 2019

Owner Amylyx Pharmaceuticals, Inc.

Scientific and technological services and research and design relating thereto; industrial analysis, industrial research and industrial design services; quality control and authentication services; design and development of computer hardware and software.

AMYLYX (Serial No. 88319636), Registration No. 5856852, is a registered US trademark filed on Feb 28, 2019 by Amylyx Pharmaceuticals, Inc.. This trademark covers Class 042 (Scientific, technology & SaaS services).

Section 8/9 declaration window: September 10, 2029

Conflict Analysis

Full conflict analysis for AMYLYX (SN 88319636) against the USPTO database with detailed risk factor explanations. AI-powered — takes ~1-2 min.

Mark Intelligence

AMYLYX (Reg. #5856852) is a registered US trademark that has been protecting its owner, Amylyx Pharmaceuticals, Inc., since 2019. The mark covers Class 042 (Scientific, technology & SaaS services). Goods and services include Scientific and technological services and research and design relating thereto; industrial analysis, industrial research.... The mark faced 1 opposition proceeding during prosecution.

FILED

Feb 28, 2019

SERIAL

88319636

REG#

5856852

REGISTERED

Sep 10, 2019

Filing Information

StatusREGISTERED

Filing DateFeb 28, 2019

Serial Number88319636

Registration No.5856852

Registration DateSep 10, 2019

Status DateDec 15, 2025

Published for OppositionJun 25, 2019

Filing Basis & Declarations

Standard Characters ClaimedFiled as Use ApplicationUse Application CurrentlySection 8 AcceptedSection 15 Acknowledged

International Filings

Madrid Protocol1 filings

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

1490025

480Aug 26, 2019

Source: USPTO Madrid International Filing Requests

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 042Scientific, technology & SaaS services

US codes: 100, 101

First use anywhere: Sep 16, 2013

First use in commerce: Sep 16, 2013

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

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Status History

19 events

TEAS CHANGE OF OWNER ADDRESS RECEIVED

Feb 23, 2026

TEAS CHANGE OF OWNER ADDRESS RECEIVED

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

Feb 23, 2026

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

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

Feb 23, 2026

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Feb 23, 2026

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Feb 23, 2026

TEAS CHANGE OF CORRESPONDENCE RECEIVED

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Dec 15, 2025

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

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

Dec 15, 2025

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

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

Dec 15, 2025

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

TEAS SECTION 8 & 15 RECEIVED

Sep 10, 2025

TEAS SECTION 8 & 15 RECEIVED

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

Sep 10, 2024

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

REGISTERED-PRINCIPAL REGISTER

Sep 10, 2019

REGISTERED-PRINCIPAL REGISTER

ASSIGNED TO EXAMINER

Jul 25, 2019

ASSIGNED TO EXAMINER

PUBLISHED FOR OPPOSITION

Jun 25, 2019

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Jun 25, 2019

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Jun 05, 2019

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

APPROVED FOR PUB - PRINCIPAL REGISTER

May 16, 2019

APPROVED FOR PUB - PRINCIPAL REGISTER

ASSIGNED TO EXAMINER

May 09, 2019

ASSIGNED TO EXAMINER

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Mar 19, 2019

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

Mar 04, 2019

NEW APPLICATION ENTERED

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ALB

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