Who owns the GLK trademark?

The GLK trademark is owned by Larry Erlich.

What class is the GLK trademark registered in?

The GLK trademark is registered in Class 042 (Scientific, technology & SaaS services).

What is the serial number for GLK?

The USPTO serial number for GLK is 77072720.

What is the registration number for GLK?

GLK is registered under USPTO registration number 3379199.

Sealvo

Home Search: GLKGLK #77072720

Back

Updated Sep 19, 2026·12 searches this week

View on USPTO TSDR Find similar marks

GLK

USPTO Trademark Record

ABANDONED

GLK

SN 77072720·Reg 3379199·Filed Dec 28, 2006

Owner Larry Erlich

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.

GLK (Serial No. 77072720), Registration No. 3379199, is a abandoned US trademark filed on Dec 28, 2006 by Larry Erlich. This trademark covers Class 042 (Scientific, technology & SaaS services).

Conflict Analysis

Full conflict analysis for GLK (SN 77072720) against the USPTO database with detailed risk factor explanations. AI-powered — takes ~1-2 min.

Mark Intelligence

GLK (Reg. #3379199) is an abandoned US trademark that was filed in 2006 but has since been abandoned. The mark covers Class 042 (Scientific, technology & SaaS services). Goods and services include Scientific and technological services and research and design relating thereto; industrial analysis, industrial research.... The mark faced 1 opposition proceeding during prosecution.

FILED

Dec 28, 2006

SERIAL

77072720

REG#

3379199

REGISTERED

Feb 05, 2008

Filing Information

StatusABANDONED

Filing DateDec 28, 2006

Serial Number77072720

Registration No.3379199

Registration DateFeb 05, 2008

Status DateSep 07, 2018

Published for OppositionJul 24, 2007

Filing Basis & Declarations

Standard Characters ClaimedUse Application CurrentlySection 8 Accepted

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 042Scientific, technology & SaaS services

US codes: 100, 101

First use anywhere: Sep 16, 1999

First use in commerce: Oct 18, 2007

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

24 events

CANCELLED SEC. 8 (10-YR)/EXPIRED SECTION 9

Sep 07, 2018

CANCELLED SEC. 8 (10-YR)/EXPIRED SECTION 9

COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED

Feb 05, 2017

COURTESY REMINDER - SEC. 8 (10-YR)/SEC. 9 E-MAILED

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Dec 31, 2013

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

REGISTERED - SEC. 8 (6-YR) ACCEPTED

Dec 31, 2013

REGISTERED - SEC. 8 (6-YR) ACCEPTED

NOTICE OF ACCEPTANCE OF SEC. 8 - E-MAILED

Dec 31, 2013

NOTICE OF ACCEPTANCE OF SEC. 8 - E-MAILED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Dec 30, 2013

TEAS CHANGE OF CORRESPONDENCE RECEIVED

TEAS SECTION 8 RECEIVED

Dec 30, 2013

TEAS SECTION 8 RECEIVED

REGISTERED - SEC. 8 (6-YR) FILED

Dec 30, 2013

REGISTERED - SEC. 8 (6-YR) FILED

TEAS CHANGE OF OWNER ADDRESS RECEIVED

Sep 18, 2011

TEAS CHANGE OF OWNER ADDRESS RECEIVED

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

Sep 18, 2011

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

REGISTERED-PRINCIPAL REGISTER

Feb 05, 2008

REGISTERED-PRINCIPAL REGISTER

LAW OFFICE REGISTRATION REVIEW COMPLETED

Jan 02, 2008

LAW OFFICE REGISTRATION REVIEW COMPLETED

ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED

Dec 26, 2007

ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED

STATEMENT OF USE PROCESSING COMPLETE

Nov 13, 2007

STATEMENT OF USE PROCESSING COMPLETE

TEAS STATEMENT OF USE RECEIVED

Oct 19, 2007

TEAS STATEMENT OF USE RECEIVED

USE AMENDMENT FILED

Oct 19, 2007

USE AMENDMENT FILED

NOA MAILED - SOU REQUIRED FROM APPLICANT

Oct 16, 2007

NOA MAILED - SOU REQUIRED FROM APPLICANT

PUBLISHED FOR OPPOSITION

Jul 24, 2007

PUBLISHED FOR OPPOSITION

NOTICE OF PUBLICATION

Jul 04, 2007

NOTICE OF PUBLICATION

ASSIGNED TO LIE

May 09, 2007

ASSIGNED TO LIE

LAW OFFICE PUBLICATION REVIEW COMPLETED

May 09, 2007

LAW OFFICE PUBLICATION REVIEW COMPLETED

ASSIGNED TO EXAMINER

Apr 19, 2007

ASSIGNED TO EXAMINER

APPROVED FOR PUB - PRINCIPAL REGISTER

Apr 19, 2007

APPROVED FOR PUB - PRINCIPAL REGISTER

NEW APPLICATION ENTERED

Jan 03, 2007

NEW APPLICATION ENTERED

Other Marks by Andrew Grosso

Additional USPTO filings handled by the same attorney of record.

WIN

WINGO'S

87323151

REGISTERED

BOS

BOSS H . B . SPORT

98589495

ABANDONED

IBD

IB DOMAINS

85947694

ABANDONED

NOB

77709154

ABANDONED

GLK

Run a conflict check

Other Marks by Andrew Grosso

Get pre-filing clearance

Search 15M+ trademarks

Resources

Company