Who owns the KORSANA BIOSCIENCES trademark?

The KORSANA BIOSCIENCES trademark is owned by Korsana Biosciences, Inc..

What class is the KORSANA BIOSCIENCES trademark registered in?

The KORSANA BIOSCIENCES trademark is registered in Class 005 (Pharmaceuticals, medical & veterinary preparations).

What is the serial number for KORSANA BIOSCIENCES?

The USPTO serial number for KORSANA BIOSCIENCES is 99442001.

What is the registration number for KORSANA BIOSCIENCES?

KORSANA BIOSCIENCES is registered under USPTO registration number 0.

KOR

USPTO Trademark Record

PENDING

KORSANA BIOSCIENCES

SN 99442001·Reg 0·Filed Oct 14, 2025

Owner Korsana Biosciences, Inc.

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.

KORSANA BIOSCIENCES (Serial No. 99442001), Registration No. 0, is a pending US trademark filed on Oct 14, 2025 by Korsana Biosciences, Inc.. This trademark covers Class 005 (Pharmaceuticals, medical & veterinary preparations).

Statement of Use due: June 09, 2027254 days remaining

Mark Intelligence

KORSANA BIOSCIENCES (Reg. #0) is a pending US trademark that was filed in 2025 and is currently under USPTO examination. The mark covers Class 005 (Pharmaceuticals, medical & veterinary preparations). Goods and services include Pharmaceuticals, medical and veterinary preparations; sanitary preparations for medical purposes; dietetic food and subs.... The mark faced 1 opposition proceeding during prosecution.

FILED

Oct 14, 2025

SERIAL

99442001

REG#

REGISTERED

Dec 31, 1969

Owner

Applicant

Korsana Biosciences, Inc.

Entity

Corporation

State

Address

221 Crescent Street, Building 23, Suite 105, Waltham, MA, 02453

Country

Attorney

NameNicole Kinsley

Law firm

Nicole Kinsley FOLEY HOAG LLP

Docket

40992.00003

Address

155 Seaport Blvd., Boston, MA 02210, United States

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Filing Information

StatusPENDING

Filing DateOct 14, 2025

Serial Number99442001

Registration No.0

Registration DateDec 31, 1969

Status DateJun 16, 2026

Published for OppositionApr 14, 2026

Mark TypeStandard characters

Attorney Docket40992.00003

Status DescriptionLive and pending, first extension granted

Filing Signals

FILED

2025

YEARS AGO

CLASSES

MADRID FILINGS

Opposed 1× during prosecution

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Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 005Pharmaceuticals, medical & veterinary preparations

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

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

Status History

17 events

NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED

Jun 17, 2026

NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED

SOU TEAS EXTENSION RECEIVED

Jun 16, 2026

SOU TEAS EXTENSION RECEIVED

SOU EXTENSION 1 FILED

Jun 16, 2026

SOU EXTENSION 1 FILED

SOU EXTENSION 1 GRANTED

Jun 16, 2026

SOU EXTENSION 1 GRANTED

NOA E-MAILED - SOU REQUIRED FROM APPLICANT

Jun 09, 2026

NOA E-MAILED - SOU REQUIRED FROM APPLICANT

PUBLISHED FOR OPPOSITION

Apr 14, 2026

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Apr 14, 2026

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Apr 08, 2026

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

APPROVED FOR PUB - PRINCIPAL REGISTER

Mar 21, 2026

APPROVED FOR PUB - PRINCIPAL REGISTER

EXAMINERS AMENDMENT -WRITTEN

Mar 17, 2026

EXAMINERS AMENDMENT -WRITTEN

EXAMINERS AMENDMENT E-MAILED

Mar 17, 2026

EXAMINERS AMENDMENT E-MAILED

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

Mar 17, 2026

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

EXAMINER'S AMENDMENT ENTERED

Mar 17, 2026

EXAMINER'S AMENDMENT ENTERED

ASSIGNED TO EXAMINER

Mar 03, 2026

ASSIGNED TO EXAMINER

NEW APPLICATION ENTERED

Oct 14, 2025

NEW APPLICATION ENTERED

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Oct 14, 2025

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

APPLICATION FILING RECEIPT MAILED

Oct 14, 2025

APPLICATION FILING RECEIPT MAILED

KORSANA BIOSCIENCES

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