Who owns the BIRCLERZI trademark?

The BIRCLERZI trademark is owned by Prothena Biosciences Limited.

What is the serial number for BIRCLERZI?

The USPTO serial number for BIRCLERZI is 79403591.

What is the registration number for BIRCLERZI?

BIRCLERZI is registered under USPTO registration number 7734604.

BIR

USPTO Trademark Record

REGISTERED

BIRCLERZI

Q: What class is the BIRCLERZI trademark registered in?

The BIRCLERZI trademark is registered in Class 005 (Pharmaceuticals, medical & veterinary preparations), Class 042 (Scientific, technology & SaaS services), Class 045 (Legal, security & personal social services).

SN 79403591·Reg 7734604·Filed Jul 12, 2024

Owner Prothena Biosciences Limited

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.; 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.; Legal services; security services for the physical protection of tangible property and individuals; dating services, online social networking services; funerary services; babysitting.

BIRCLERZI (Serial No. 79403591), Registration No. 7734604, is a registered US trademark filed on Jul 12, 2024 by Prothena Biosciences Limited. This trademark covers Class 005 (Pharmaceuticals, medical & veterinary preparations), Class 042 (Scientific, technology & SaaS services), Class 045 (Legal, security & personal social services).

early section 8: March 25, 2031

Mark Intelligence

BIRCLERZI (Reg. #7734604) is a registered US trademark that has been protecting its owner, Prothena Biosciences Limited, since 2024. The mark covers Class 005 (Pharmaceuticals, medical & veterinary preparations), Class 042 (Scientific, technology & SaaS services) and Class 045 (Legal, security & personal social services) respectively. Goods and services include Pharmaceuticals, medical and veterinary preparations; sanitary preparations for medical purposes; dietetic food and subs.... The mark faced 4 opposition proceedings during prosecution.

FILED

Jul 12, 2024

SERIAL

79403591

REG#

7734604

REGISTERED

Mar 25, 2025

Owner

Applicant

Prothena Biosciences Limited

Entity

Not Provided

Address

77 Sir John Rogerson's Quay,, Block C, Grand Canal Docklands, Dublin 2 D02 T804

Country

Get pre-filing clearance

AI attorney analyzes your proposed mark against USPTO — Go/No-Go verdict, class-by-class risks, and strategy recommendations.

Run clearance

Filing Information

StatusREGISTERED

Filing DateJul 12, 2024

Serial Number79403591

Registration No.7734604

Registration DateMar 25, 2025

Status DateMar 25, 2025

Published for OppositionFeb 04, 2025

Mark TypeStandard characters

Status DescriptionLive and registered

Filing Signals

FILED

2024

YEARS AGO

CLASSES

MADRID FILINGS

—

Opposed 4× during prosecution

Search 15M+ trademarks

Free USPTO lookups by name, owner, or serial number. No account needed.

Search now

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 005Pharmaceuticals, medical & veterinary preparations

US codes: 005, 006, 018, 044, 046, 051, 052

Class 042Scientific, technology & SaaS services

US codes: 100, 101

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.

Class 045Legal, security & personal social services

US codes: 100, 101

Legal services; security services for the physical protection of tangible property and individuals; dating services, online social networking services; funerary services; babysitting.

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

Status History

12 events

NOTIFICATION OF POSSIBLE OPPOSITION - PROCESSED BY IB

Feb 19, 2026

NOTIFICATION OF POSSIBLE OPPOSITION - PROCESSED BY IB

NOTIFICATION OF POSSIBLE OPPOSITION CREATED, TO BE SENT TO IB

Feb 04, 2026

NOTIFICATION OF POSSIBLE OPPOSITION CREATED, TO BE SENT TO IB

NOTIFICATION OF POSSIBLE OPPOSITION SENT TO IB

Feb 04, 2026

NOTIFICATION OF POSSIBLE OPPOSITION SENT TO IB

FINAL DISPOSITION NOTICE CREATED, TO BE SENT TO IB

Apr 24, 2025

FINAL DISPOSITION NOTICE CREATED, TO BE SENT TO IB

REGISTERED-PRINCIPAL REGISTER

Mar 25, 2025

REGISTERED-PRINCIPAL REGISTER

PUBLISHED FOR OPPOSITION

Feb 04, 2025

PUBLISHED FOR OPPOSITION

NOTICE OF PUBLICATION

Jan 29, 2025

NOTICE OF PUBLICATION

APPROVED FOR PUB - PRINCIPAL REGISTER

Jan 13, 2025

APPROVED FOR PUB - PRINCIPAL REGISTER

ASSIGNED TO EXAMINER

Dec 31, 2024

ASSIGNED TO EXAMINER

SN ASSIGNED FOR SECT 66A APPL FROM IB

Sep 05, 2024

SN ASSIGNED FOR SECT 66A APPL FROM IB

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Sep 05, 2024

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

APPLICATION FILING RECEIPT MAILED

Sep 05, 2024

APPLICATION FILING RECEIPT MAILED

BIRCLERZI

Get pre-filing clearance

Search 15M+ trademarks

Run a conflict check

Other Marks by Prothena Biosciences Limited

Resources

Company