LEONABIO Trademark
Serial Number: 99452284
LEONABIO is a trademark filed by
LEONABIO, INC.
on October 20, 2025. The trademark is classified under Class 42 (Computer & Scientific).
The application is currently pending registration.
Trademark Classes
Owner Contact Info
Legal Representation
Correspondence Address
Kevin S. Costanza Seed Intellectual Property Law Group LLP
701 Fifth Avenue, Suite 5400
Seattle, WA 98104
United States
Trademark Details
Filing Date
October 20, 2025
Registration Date
Not Registered
Published for Opposition
March 31, 2026
Goods & Services
Chemical research; Biotechnology research; Scientific research and development; Pharmaceutical research and development; Pharmaceutical drug development services
Filing History
NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED
Jun 5, 2026 EXRA
SOU EXTENSION 1 GRANTED
Jun 4, 2026 EX1G
SOU EXTENSION 1 FILED
Jun 4, 2026 EXT1
SOU TEAS EXTENSION RECEIVED
Jun 4, 2026 EEXT
NOA E-MAILED - SOU REQUIRED FROM APPLICANT
May 26, 2026 NOAM
AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP
Apr 15, 2026 ASGN
OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED
Mar 31, 2026 NPUB
PUBLISHED FOR OPPOSITION
Mar 31, 2026 PUBO
NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED
Mar 25, 2026 NONP
APPROVED FOR PUB - PRINCIPAL REGISTER
Mar 6, 2026 CNSA
ASSIGNED TO EXAMINER
Mar 6, 2026 DOCK
NEW APPLICATION OFFICE SUPPLIED DATA ENTERED
Feb 11, 2026 NWOS
APPLICATION FILING RECEIPT MAILED
Oct 20, 2025 MAFR
NEW APPLICATION ENTERED
Oct 20, 2025 NWAP
