Who owns the K trademark?

The K trademark is owned by TCHILINGUIROV, KATERINA D..

What is the serial number for K?

The USPTO serial number for K is 98453000.

What is the registration number for K?

K is registered under USPTO registration number 8103806.

Sealvo

Home Search: KK #98453000

Back

Updated Oct 18, 2026·26 searches this week

View on USPTO TSDR Find similar marks

USPTO Trademark Record

REGISTERED

K

Q: What class is the K trademark registered in?

The K trademark is registered in Class 035 (Advertising, business management & retail services), Class 042 (Scientific, technology & SaaS services).

SN 98453000·Reg 8103806·Filed Mar 16, 2024

Owner TCHILINGUIROV, KATERINA D.

Advertising; business management, organization and administration; office functions.; 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.

K (Serial No. 98453000), Registration No. 8103806, is a registered US trademark filed on Mar 16, 2024 by TCHILINGUIROV, KATERINA D.. This trademark covers Class 035 (Advertising, business management & retail services), Class 042 (Scientific, technology & SaaS services).

early section 8: January 13, 2032

Mark Intelligence

K (Reg. #8103806) is a registered US trademark that has been protecting its owner, TCHILINGUIROV, KATERINA D., since 2024. The mark covers Class 035 (Advertising, business management & retail services) and Class 042 (Scientific, technology & SaaS services) respectively. Goods and services include Advertising; business management, organization and administration; office functions.; Scientific and technological servi.... The mark faced 1 opposition proceeding during prosecution.

FILED

Mar 16, 2024

SERIAL

98453000

REG#

8103806

REGISTERED

Jan 13, 2026

Filing Information

StatusREGISTERED

Filing DateMar 16, 2024

Serial Number98453000

Registration No.8103806

Registration DateJan 13, 2026

Status DateJan 13, 2026

Published for OppositionDec 17, 2024

Filing Basis & Declarations

Filed as Use ApplicationUse Application Currently

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 035Advertising, business management & retail services

US codes: 100, 101, 102

First use anywhere: Mar 07, 2024

First use in commerce: Mar 07, 2024

Advertising; business management, organization and administration; office functions.

Class 042Scientific, technology & SaaS services

US codes: 100, 101

First use anywhere: Mar 07, 2024

First use in commerce: Mar 07, 2024

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.

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

Run a conflict check

Search by serial number, mark name, or logo. See conflicting marks ranked by risk with clear explanations of what contributed.

Run conflict check

Status History

21 events

REGISTERED-PRINCIPAL REGISTER

Jan 13, 2026

REGISTERED-PRINCIPAL REGISTER

NOTICE OF REGISTRATION CONFIRMATION EMAILED

Jan 13, 2026

NOTICE OF REGISTRATION CONFIRMATION EMAILED

ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED

Dec 22, 2025

ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED

NOTICE OF ACCEPTANCE OF STATEMENT OF USE E-MAILED

Dec 22, 2025

NOTICE OF ACCEPTANCE OF STATEMENT OF USE E-MAILED

STATEMENT OF USE PROCESSING COMPLETE

Dec 03, 2025

STATEMENT OF USE PROCESSING COMPLETE

CASE ASSIGNED TO INTENT TO USE PARALEGAL

Dec 01, 2025

CASE ASSIGNED TO INTENT TO USE PARALEGAL

TEAS STATEMENT OF USE RECEIVED

Jun 08, 2025

TEAS STATEMENT OF USE RECEIVED

USE AMENDMENT FILED

Jun 08, 2025

USE AMENDMENT FILED

NOA E-MAILED - SOU REQUIRED FROM APPLICANT

Feb 11, 2025

NOA E-MAILED - SOU REQUIRED FROM APPLICANT

PUBLISHED FOR OPPOSITION

Dec 17, 2024

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Dec 17, 2024

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Dec 11, 2024

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

EXAMINERS AMENDMENT -WRITTEN

Oct 17, 2024

EXAMINERS AMENDMENT -WRITTEN

EXAMINERS AMENDMENT E-MAILED

Oct 17, 2024

EXAMINERS AMENDMENT E-MAILED

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

Oct 17, 2024

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

EXAMINER'S AMENDMENT ENTERED

Oct 17, 2024

EXAMINER'S AMENDMENT ENTERED

APPROVED FOR PUB - PRINCIPAL REGISTER

Oct 17, 2024

APPROVED FOR PUB - PRINCIPAL REGISTER

ASSIGNED TO EXAMINER

Oct 16, 2024

ASSIGNED TO EXAMINER

Sep 25, 2024

ASSIGNED TO EXAMINER

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Aug 11, 2024

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

Mar 19, 2024

NEW APPLICATION ENTERED

Other Marks by TCHILINGUIROV, KATERINA D.

Additional USPTO filings from the same owner.

KAT

KATTCH

98452848

TCHILINGUIROV, KATERINA D.

REGISTERED

Other Marks in Class 035 — Advertising, business management & retail services

Recently filed and registered marks in the same international class.

79449035

Mallinckrodt Pharmaceuticals Ireland Limited

REGISTERED

98622545

KAJABI, LLC

REGISTERED

98894379

Northeast Ohio Medical University

REGISTERED

79263180

Koopman International B.V.

REGISTERED

K

Run a conflict check

Other Marks by TCHILINGUIROV, KATERINA D.

Other Marks in Class 035 — Advertising, business management & retail services

Get pre-filing clearance

Search 14M+ trademarks

Resources

Company