KELSTAYO

Serial Number 98275063
730

Registration Progress

Application Filed
Nov 17, 2023
Under Examination
Feb 25, 2025
Approved for Publication
Dec 31, 2024
Published for Opposition
Dec 31, 2024
Registered

Attorney Assistance

Statement of Use Due - Extension 1 Granted
Due: Feb 25, 2026 203 days

Trademark Image

KELSTAYO

Basic Information

Serial Number
98275063
Filing Date
November 17, 2023
Published for Opposition
December 31, 2024
Drawing Code
4

Status Summary

Current Status
Active
Status Code
730
Status Date
Jul 24, 2025
Application
Pending
Classes
005

Rights Holder

Sage Therapeutics Inc.

03
Address
55 Cambridge Parkway
Suite 401
Cambridge, MA 02142

Ownership History

Sage Therapeutics Inc.

Original Applicant
03
Cambridge, MA

Sage Therapeutics Inc.

Owner at Publication
03
Cambridge, MA

Legal Representation

Attorney
Steven A. Abreu

USPTO Deadlines

Next Deadline
203 days remaining
Statement of Use Due - Extension 1 Granted
Due Date
February 25, 2026
Extension Available
Until February 25, 2026

Application History

23 events
Date Code Type Description Documents
Jul 25, 2025 EXRA E NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED Loading...
Jul 24, 2025 EX1G S SOU EXTENSION 1 GRANTED Loading...
Jul 24, 2025 EXT1 S SOU EXTENSION 1 FILED Loading...
Jul 24, 2025 EEXT I SOU TEAS EXTENSION RECEIVED Loading...
Mar 25, 2025 CHAN I APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED Loading...
Mar 25, 2025 COAR I TEAS CHANGE OF OWNER ADDRESS RECEIVED Loading...
Mar 25, 2025 TCCA I TEAS CHANGE OF CORRESPONDENCE RECEIVED Loading...
Feb 25, 2025 NOAM E NOA E-MAILED - SOU REQUIRED FROM APPLICANT Loading...
Dec 31, 2024 NPUB E OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED Loading...
Dec 31, 2024 PUBO A PUBLISHED FOR OPPOSITION Loading...
Dec 25, 2024 NONP E NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED Loading...
Dec 9, 2024 CNSA P APPROVED FOR PUB - PRINCIPAL REGISTER Loading...
Dec 2, 2024 CRFA I CORRESPONDENCE RECEIVED IN LAW OFFICE Loading...
Dec 2, 2024 TROA I TEAS RESPONSE TO OFFICE ACTION RECEIVED Loading...
Dec 2, 2024 TEME I TEAS/EMAIL CORRESPONDENCE ENTERED Loading...
Sep 9, 2024 XELG O APPLICATION EXTENSION GRANTED/RECEIPT PROVIDED Loading...
Sep 9, 2024 XELR I APPLICATION EXTENSION TO RESPONSE PERIOD - RECEIVED Loading...
Jun 12, 2024 GNRN O NOTIFICATION OF NON-FINAL ACTION E-MAILED Loading...
Jun 12, 2024 GNRT F NON-FINAL ACTION E-MAILED Loading...
Jun 12, 2024 CNRT R NON-FINAL ACTION WRITTEN Loading...
Jun 11, 2024 DOCK D ASSIGNED TO EXAMINER Loading...
Dec 28, 2023 NWOS I NEW APPLICATION OFFICE SUPPLIED DATA ENTERED Loading...
Nov 21, 2023 NWAP I NEW APPLICATION ENTERED Loading...

Detailed Classifications

Class 005
Pharmaceutical preparations for use in the treatment of central nervous system diseases and disorders, neurological diseases and disorders

Classification

International Classes
005