AMYLYX

Serial Number 88319636
Registration 5856852
702

Registration Progress

Application Filed
Feb 28, 2019
Under Examination
Approved for Publication
Jun 25, 2019
Published for Opposition
Jun 25, 2019
Registered
Sep 10, 2019

Attorney Assistance

Section 8 Declaration Due (Principal Register) (Based on registration date 20190910) (Grace Period Filing)
Due: Mar 10, 2026 Grace Period - 74 days
Original deadline was Sep 10, 2025 (overdue)

Trademark Image

AMYLYX

Basic Information

Serial Number
88319636
Registration Number
5856852
Filing Date
February 28, 2019
Registration Date
September 10, 2019
Published for Opposition
June 25, 2019
Drawing Code
4

Status Summary

Current Status
Active
Status Code
702
Status Date
Dec 15, 2025
Registration
Registered
Classes
042

Rights Holder

Amylyx Pharmaceuticals, Inc.

03
Address
43 Thorndike Street
Cambridge, MA 02141

Ownership History

Amylyx Pharmaceuticals, Inc.

Original Applicant
03
Cambridge, MA

Amylyx Pharmaceuticals, Inc.

Owner at Publication
03
Cambridge, MA

Amylyx Pharmaceuticals, Inc.

Original Registrant
03
Cambridge, MA

Legal Representation

Attorney
Cynthia Johnson Walden

USPTO Deadlines

Next Deadline
In Grace Period
Section 8 Declaration Due (Principal Register) (Based on registration date 20190910)
Due Date
September 10, 2025
Grace Period Ends
March 10, 2026
Additional deadlines exist. Contact your attorney for complete deadline information.

Application History

14 events
Date Code Type Description Documents
Dec 15, 2025 NA85 E NOTICE OF ACCEPTANCE OF SEC. 8 & 15 - E-MAILED Loading...
Dec 15, 2025 C15A O REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK. Loading...
Dec 15, 2025 APRE A CASE ASSIGNED TO POST REGISTRATION PARALEGAL Loading...
Sep 10, 2025 E815 I TEAS SECTION 8 & 15 RECEIVED Loading...
Sep 10, 2024 REM1 E COURTESY REMINDER - SEC. 8 (6-YR) E-MAILED Loading...
Sep 10, 2019 R.PR A REGISTERED-PRINCIPAL REGISTER Loading...
Jul 25, 2019 DOCK D ASSIGNED TO EXAMINER Loading...
Jun 25, 2019 NPUB E OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED Loading...
Jun 25, 2019 PUBO A PUBLISHED FOR OPPOSITION Loading...
Jun 5, 2019 NONP E NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED Loading...
May 16, 2019 CNSA O APPROVED FOR PUB - PRINCIPAL REGISTER Loading...
May 9, 2019 DOCK D ASSIGNED TO EXAMINER Loading...
Mar 19, 2019 NWOS I NEW APPLICATION OFFICE SUPPLIED DATA ENTERED Loading...
Mar 4, 2019 NWAP I NEW APPLICATION ENTERED Loading...

Detailed Classifications

Class 042
Pharmaceutical research and development; pharmaceutical drug development services; testing of pharmaceuticals
First Use Anywhere: Sep 16, 2013
First Use in Commerce: Sep 16, 2013

Classification

International Classes
042