Who owns the PROTO trademark?

The PROTO trademark is owned by Lingjing Ke.

What class is the PROTO trademark registered in?

The PROTO trademark is registered in Class 010 (Surgical, medical, dental & veterinary apparatus).

What is the serial number for PROTO?

The USPTO serial number for PROTO is 99438175.

What is the registration number for PROTO?

PROTO is registered under USPTO registration number 8388321.

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Home Search: PROTOPROTO #99438175

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Updated Sep 28, 2026·16 searches this week

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PRO

USPTO Trademark Record

REGISTERED

PROTO

SN 99438175·Reg 8388321·Filed Oct 11, 2025

Owner Lingjing Ke

Surgical, medical, dental and veterinary apparatus and instruments; artificial limbs, eyes and teeth; spectacles, contact lenses and sunglasses; orthopaedic articles; suture materials; therapeutic and assistive devices adapted for persons with disabilities; massage apparatus; apparatus, devices and articles for nursing infants; sexual activity apparatus, devices and articles.

PROTO (Serial No. 99438175), Registration No. 8388321, is a registered US trademark filed on Oct 11, 2025 by Lingjing Ke. This trademark covers Class 010 (Surgical, medical, dental & veterinary apparatus).

early section 8: August 11, 2032

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Mark Intelligence

PROTO (Reg. #8388321) is a registered US trademark that has been protecting its owner, Lingjing Ke, since 2025. The mark covers Class 010 (Surgical, medical, dental & veterinary apparatus). Goods and services include Surgical, medical, dental and veterinary apparatus and instruments; artificial limbs, eyes and teeth; spectacles, contac.... The mark faced 1 opposition proceeding during prosecution.

FILED

Oct 11, 2025

SERIAL

99438175

REG#

8388321

REGISTERED

Aug 11, 2026

Filing Information

StatusREGISTERED

Filing DateOct 11, 2025

Serial Number99438175

Registration No.8388321

Registration DateAug 11, 2026

Status DateAug 11, 2026

Published for OppositionJun 23, 2026

Filing Basis & Declarations

Standard Characters ClaimedFiled as Use ApplicationUse Application CurrentlyTrademark

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 010Surgical, medical, dental & veterinary apparatus

US codes: 026, 039, 044

First use anywhere: Apr 19, 2025

First use in commerce: May 17, 2025

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

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Status History

16 events

REGISTERED-PRINCIPAL REGISTER

Aug 11, 2026

REGISTERED-PRINCIPAL REGISTER

NOTICE OF REGISTRATION CONFIRMATION EMAILED

Aug 11, 2026

NOTICE OF REGISTRATION CONFIRMATION EMAILED

PUBLISHED FOR OPPOSITION

Jun 23, 2026

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Jun 23, 2026

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Jun 17, 2026

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

APPROVED FOR PUB - PRINCIPAL REGISTER

May 27, 2026

APPROVED FOR PUB - PRINCIPAL REGISTER

TEAS RESPONSE TO OFFICE ACTION RECEIVED

May 26, 2026

TEAS RESPONSE TO OFFICE ACTION RECEIVED

CORRESPONDENCE RECEIVED IN LAW OFFICE

May 26, 2026

CORRESPONDENCE RECEIVED IN LAW OFFICE

TEAS/EMAIL CORRESPONDENCE ENTERED

May 26, 2026

TEAS/EMAIL CORRESPONDENCE ENTERED

NON-FINAL ACTION WRITTEN

Apr 01, 2026

NON-FINAL ACTION WRITTEN

NON-FINAL ACTION E-MAILED

Apr 01, 2026

NON-FINAL ACTION E-MAILED

NOTIFICATION OF NON-FINAL ACTION E-MAILED

Apr 01, 2026

NOTIFICATION OF NON-FINAL ACTION E-MAILED

ASSIGNED TO EXAMINER

Mar 02, 2026

ASSIGNED TO EXAMINER

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Feb 11, 2026

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

Oct 11, 2025

NEW APPLICATION ENTERED

APPLICATION FILING RECEIPT MAILED

Oct 11, 2025

APPLICATION FILING RECEIPT MAILED

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