Who owns the LOGICAL EXPRESSIONS trademark?

The LOGICAL EXPRESSIONS trademark is owned by Daffron, Susan C..

What class is the LOGICAL EXPRESSIONS trademark registered in?

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

What is the serial number for LOGICAL EXPRESSIONS?

The USPTO serial number for LOGICAL EXPRESSIONS is 74695553.

What is the registration number for LOGICAL EXPRESSIONS?

LOGICAL EXPRESSIONS is registered under USPTO registration number 1971496.

Sealvo

Home Search: LOGICAL EXPRESSIONSLOGICAL EXPRESSIONS #74695553

Back

Updated Oct 13, 2026·24 searches this week

View on USPTO TSDR Find similar marks

LOG

USPTO Trademark Record

REGISTERED

LOGICAL EXPRESSIONS

SN 74695553·Reg 1971496·Filed Jun 30, 1995

Owner Daffron, Susan C.

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.

LOGICAL EXPRESSIONS (Serial No. 74695553), Registration No. 1971496, is a registered US trademark filed on Jun 30, 1995 by Daffron, Susan C.. This trademark covers Class 042 (Scientific, technology & SaaS services).

Section 8/9 declaration window: April 30, 2036

Mark Intelligence

LOGICAL EXPRESSIONS (Reg. #1971496) is a registered US trademark that has been protecting its owner, Daffron, Susan C., since 1995. 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

Jun 30, 1995

SERIAL

74695553

REG#

1971496

REGISTERED

Apr 30, 1996

Filing Information

StatusREGISTERED

Filing DateJun 30, 1995

Serial Number74695553

Registration No.1971496

Registration DateApr 30, 1996

Status DateMar 24, 2026

Published for OppositionFeb 06, 1996

Filing Basis & Declarations

Standard Characters ClaimedFiled as Use ApplicationUse Application CurrentlySection 8 Accepted

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 042Scientific, technology & SaaS services

US codes: 100, 101

First use anywhere: Apr 19, 1994

First use in commerce: Apr 19, 1994

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

34 events

REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED

Mar 24, 2026

REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED

REGISTERED AND RENEWED (THIRD RENEWAL - 10 YRS)

Mar 24, 2026

REGISTERED AND RENEWED (THIRD RENEWAL - 10 YRS)

NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED

Mar 24, 2026

NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Mar 23, 2026

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

TEAS SECTION 8 & 9 RECEIVED

Jan 08, 2026

TEAS SECTION 8 & 9 RECEIVED

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

Apr 30, 2025

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

REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED

Oct 03, 2015

REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED

REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)

Oct 03, 2015

REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)

NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED

Oct 03, 2015

NOTICE OF ACCEPTANCE OF SEC. 8 & 9 - E-MAILED

PAPER RECEIVED

Sep 29, 2015

PAPER RECEIVED

POST REGISTRATION ACTION MAILED - SEC. 8

Sep 27, 2015

POST REGISTRATION ACTION MAILED - SEC. 8

TEAS RESPONSE TO OFFICE ACTION-POST REG RECEIVED

Sep 24, 2015

TEAS RESPONSE TO OFFICE ACTION-POST REG RECEIVED

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Jul 08, 2015

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

POST REGISTRATION ACTION MAILED - SEC. 8 & 9

Jul 08, 2015

POST REGISTRATION ACTION MAILED - SEC. 8 & 9

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Jun 15, 2015

TEAS CHANGE OF CORRESPONDENCE RECEIVED

TEAS SECTION 8 & 9 RECEIVED

Jun 15, 2015

TEAS SECTION 8 & 9 RECEIVED

CASE FILE IN TICRS

Aug 11, 2006

CASE FILE IN TICRS

ASSIGNED TO PARALEGAL

Mar 07, 2006

ASSIGNED TO PARALEGAL

REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED

Mar 07, 2006

REGISTERED - SEC. 8 (10-YR) ACCEPTED/SEC. 9 GRANTED

REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)

Mar 07, 2006

REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)

TEAS SECTION 8 & 9 RECEIVED

Oct 14, 2005

TEAS SECTION 8 & 9 RECEIVED

REGISTERED - COMBINED SECTION 8 (10-YR) & SEC. 9 FILED

Oct 14, 2005

REGISTERED - COMBINED SECTION 8 (10-YR) & SEC. 9 FILED

REGISTERED - SEC. 8 (6-YR) ACCEPTED

Aug 28, 2002

REGISTERED - SEC. 8 (6-YR) ACCEPTED

PAPER RECEIVED

Jul 12, 2002

PAPER RECEIVED

REGISTERED - SEC. 8 (6-YR) FILED

Jul 12, 2002

REGISTERED - SEC. 8 (6-YR) FILED

POST REGISTRATION ACTION MAILED - SEC. 8

Jun 14, 2002

POST REGISTRATION ACTION MAILED - SEC. 8

TEAS SECTION 8 RECEIVED

Apr 25, 2002

TEAS SECTION 8 RECEIVED

REGISTERED - SEC. 8 (6-YR) FILED

Apr 25, 2002

REGISTERED - SEC. 8 (6-YR) FILED

REGISTERED-PRINCIPAL REGISTER

Apr 30, 1996

REGISTERED-PRINCIPAL REGISTER

PUBLISHED FOR OPPOSITION

Feb 06, 1996

PUBLISHED FOR OPPOSITION

NOTICE OF PUBLICATION

Jan 05, 1996

NOTICE OF PUBLICATION

APPROVED FOR PUB - PRINCIPAL REGISTER

Nov 16, 1995

APPROVED FOR PUB - PRINCIPAL REGISTER

EXAMINER'S AMENDMENT MAILED

Nov 09, 1995

EXAMINER'S AMENDMENT MAILED

ASSIGNED TO EXAMINER

Nov 06, 1995

ASSIGNED TO EXAMINER

Other Marks by Daffron, Susan C.

Additional USPTO filings from the same owner.

(!)

74695552

Daffron, Susan C.

REGISTERED

Other Marks in Class 042 — Scientific, technology & SaaS services

Recently filed and registered marks in the same international class.

LOG

LOGICAL BUILDINGS

87879810

Energy Technology Savings, Inc.

REGISTERED

LOG

LOGICAL BUILDINGS

98084585

Energy Technology Savings, Inc.

REGISTERED

LOG

LOGICAL ENGINE

86310751

Logical Engine, Inc.

REGISTERED

LOG

LOGICAL SYSTEMS

85705006

LOGICAL SYSTEMS, LLC

REGISTERED

LOGICAL EXPRESSIONS

Run a conflict check

Other Marks by Daffron, Susan C.

Other Marks in Class 042 — Scientific, technology & SaaS services

Get pre-filing clearance

Search 14M+ trademarks

Resources

Company