Who owns the FS PERFSO trademark?

The FS PERFSO trademark is owned by Perfso (HK) Co., Limited.

What class is the FS PERFSO trademark registered in?

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

What is the serial number for FS PERFSO?

The USPTO serial number for FS PERFSO is 99336597.

What is the registration number for FS PERFSO?

FS PERFSO is registered under USPTO registration number 8398186.

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Home Search: FS PERFSOFS PERFSO #99336597

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Updated Oct 7, 2026·42 searches this week

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USPTO Trademark Record

REGISTERED

FS PERFSO

SN 99336597·Reg 8398186·Filed Aug 13, 2025

Owner Perfso (HK) Co., 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.

FS PERFSO (Serial No. 99336597), Registration No. 8398186, is a registered US trademark filed on Aug 13, 2025 by Perfso (HK) Co., Limited. This trademark covers Class 005 (Pharmaceuticals, medical & veterinary preparations).

early section 8: August 18, 2032

Mark Intelligence

FS PERFSO (Reg. #8398186) is a registered US trademark that has been protecting its owner, Perfso (HK) Co., Limited, since 2025. 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

Aug 13, 2025

SERIAL

99336597

REG#

8398186

REGISTERED

Aug 18, 2026

Filing Information

StatusREGISTERED

Filing DateAug 13, 2025

Serial Number99336597

Registration No.8398186

Registration DateAug 18, 2026

Status DateAug 18, 2026

Published for OppositionJun 30, 2026

Filing Basis & Declarations

Filed as Use ApplicationUse Application CurrentlyTrademark

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 005Pharmaceuticals, medical & veterinary preparations

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

First use anywhere: Aug 03, 2025

First use in commerce: Aug 03, 2025

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

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Status History

17 events

REGISTERED-PRINCIPAL REGISTER

Aug 18, 2026

REGISTERED-PRINCIPAL REGISTER

NOTICE OF REGISTRATION CONFIRMATION EMAILED

Aug 18, 2026

NOTICE OF REGISTRATION CONFIRMATION EMAILED

PUBLISHED FOR OPPOSITION

Jun 30, 2026

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Jun 30, 2026

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Jun 24, 2026

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

APPROVED FOR PUB - PRINCIPAL REGISTER

Jun 02, 2026

APPROVED FOR PUB - PRINCIPAL REGISTER

TEAS/EMAIL CORRESPONDENCE ENTERED

May 26, 2026

TEAS/EMAIL CORRESPONDENCE ENTERED

TEAS RESPONSE TO OFFICE ACTION RECEIVED

May 25, 2026

TEAS RESPONSE TO OFFICE ACTION RECEIVED

CORRESPONDENCE RECEIVED IN LAW OFFICE

May 25, 2026

CORRESPONDENCE RECEIVED IN LAW OFFICE

NON-FINAL ACTION WRITTEN

May 23, 2026

NON-FINAL ACTION WRITTEN

NON-FINAL ACTION E-MAILED

May 23, 2026

NON-FINAL ACTION E-MAILED

NOTIFICATION OF NON-FINAL ACTION E-MAILED

May 23, 2026

NOTIFICATION OF NON-FINAL ACTION E-MAILED

ASSIGNED TO EXAMINER

Dec 31, 2025

ASSIGNED TO EXAMINER

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Dec 30, 2025

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NOTICE OF DESIGN SEARCH CODE E-MAILED

Dec 30, 2025

NOTICE OF DESIGN SEARCH CODE E-MAILED

APPLICATION FILING RECEIPT MAILED

Aug 14, 2025

APPLICATION FILING RECEIPT MAILED

NEW APPLICATION ENTERED

Aug 13, 2025

NEW APPLICATION ENTERED

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