Who owns the LIGHTTOOLS trademark?

The LIGHTTOOLS trademark is owned by SYNOPSYS, INC..

What class is the LIGHTTOOLS trademark registered in?

The LIGHTTOOLS trademark is registered in Class 009 (Electronics, software & scientific instruments).

What is the serial number for LIGHTTOOLS?

The USPTO serial number for LIGHTTOOLS is 74361295.

What is the registration number for LIGHTTOOLS?

LIGHTTOOLS is registered under USPTO registration number 1909177.

LIG

USPTO Trademark Record

REGISTERED

LIGHTTOOLS

SN 74361295·Reg 1909177·Filed Feb 18, 1993

Owner SYNOPSYS, INC.

Scientific, research, navigation, surveying, photographic, cinematographic, audiovisual, optical, weighing, measuring, signalling, detecting, testing, inspecting, life-saving and teaching apparatus and instruments; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling the distribution or use of electricity; apparatus and instruments for recording, transmitting, reproducing or processing sound, images or data; recorded and downloadable multimedia files, computer software, blank digital or analogue recording and storage media; mechanisms for coin-operated apparatus; cash registers, calculating devices; computers and computer peripheral devices; diving suits, divers' masks, ear plugs for divers, nose clips for divers, gloves for divers, breathing apparatus for underwater swimming; fire-extinguishing apparatus.

LIGHTTOOLS (Serial No. 74361295), Registration No. 1909177, is a registered US trademark filed on Feb 18, 1993 by SYNOPSYS, INC.. This trademark covers Class 009 (Electronics, software & scientific instruments).

Section 8/9 declaration window: August 01, 2035

Mark Intelligence

LIGHTTOOLS (Reg. #1909177) is a registered US trademark that has been protecting its owner, SYNOPSYS, INC., since 1993. The mark covers Class 009 (Electronics, software & scientific instruments). Goods and services include Scientific, research, navigation, surveying, photographic, cinematographic, audiovisual, optical, weighing, measuring, s.... The mark faced 1 opposition proceeding during prosecution.

FILED

Feb 18, 1993

SERIAL

74361295

REG#

1909177

REGISTERED

Aug 01, 1995

Owner

Applicant

SYNOPSYS, INC.

Entity

Corporation

State

Address

675 Almanor Avenue, Sunnyvale, CA, 94085

Country

Attorney

NameAnna Kurian Shaw

Law firm

Anna Kurian Shaw Hogan Lovells US LLP

Docket

069343.00064

Address

555 13th Street NW, Washington, DC 20004, United States

Get pre-filing clearance

AI attorney analyzes your proposed mark against USPTO — Go/No-Go verdict, class-by-class risks, and strategy recommendations.

Run clearance

Filing Information

StatusREGISTERED

Filing DateFeb 18, 1993

Serial Number74361295

Registration No.1909177

Registration DateAug 01, 1995

Status DateNov 14, 2025

Published for OppositionJul 20, 1993

Next RenewalAugust 01, 2035

Mark TypeTypeset (words/letters/numbers)

Attorney Docket069343.00064

Status DescriptionLive and registered, renewed

Filing Signals

FILED

1993

YEARS AGO

33y

CLASSES

MADRID FILINGS

—

Opposed 1× during prosecution

Search 14M+ trademarks

Free USPTO lookups by name, owner, or serial number. No account needed.

Search now

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 009Electronics, software & scientific instruments

US codes: 021, 023, 026, 036, 038

First use anywhere: Jan 26, 1995

First use in commerce: Jan 26, 1995

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

Status History

46 events

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

Nov 14, 2025

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

REGISTERED AND RENEWED (THIRD RENEWAL - 10 YRS)

Nov 14, 2025

REGISTERED AND RENEWED (THIRD RENEWAL - 10 YRS)

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

Nov 14, 2025

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

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Nov 13, 2025

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

TEAS SECTION 8 & 9 RECEIVED

Jul 28, 2025

TEAS SECTION 8 & 9 RECEIVED

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

Aug 01, 2024

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

TEAS CHANGE OF OWNER ADDRESS RECEIVED

Sep 20, 2023

TEAS CHANGE OF OWNER ADDRESS RECEIVED

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

Sep 20, 2023

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED

Sep 20, 2023

TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Sep 20, 2023

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Sep 20, 2023

TEAS CHANGE OF CORRESPONDENCE RECEIVED

TEAS CHANGE OF OWNER ADDRESS RECEIVED

Nov 26, 2018

TEAS CHANGE OF OWNER ADDRESS RECEIVED

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

Nov 26, 2018

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED

Feb 02, 2018

TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Feb 02, 2018

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS WITHDRAWAL OF ATTORNEY RECEIVED

Jan 25, 2018

TEAS WITHDRAWAL OF ATTORNEY RECEIVED

WITHDRAWAL OF ATTORNEY GRANTED

Jan 25, 2018

WITHDRAWAL OF ATTORNEY GRANTED

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

Aug 04, 2015

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

REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)

Aug 04, 2015

REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)

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

Aug 04, 2015

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

TEAS SECTION 8 & 9 RECEIVED

Jul 31, 2015

TEAS SECTION 8 & 9 RECEIVED

TEAS CHANGE OF OWNER ADDRESS RECEIVED

May 07, 2015

TEAS CHANGE OF OWNER ADDRESS RECEIVED

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

May 07, 2015

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

Feb 16, 2011

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

ASSIGNED TO PARALEGAL

Jul 17, 2005

ASSIGNED TO PARALEGAL

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

Jul 17, 2005

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

REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)

Jul 17, 2005

REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)

PAPER RECEIVED

May 19, 2005

PAPER RECEIVED

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

May 19, 2005

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

REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK.

Nov 08, 2000

REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK.

REGISTERED - SEC. 8 (6-YR) & SEC. 15 FILED

Aug 15, 2000

REGISTERED - SEC. 8 (6-YR) & SEC. 15 FILED

REGISTERED-PRINCIPAL REGISTER

Aug 01, 1995

REGISTERED-PRINCIPAL REGISTER

ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED

May 16, 1995

ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED

ASSIGNED TO EXAMINER

May 10, 1995

ASSIGNED TO EXAMINER

STATEMENT OF USE PROCESSING COMPLETE

Apr 13, 1995

STATEMENT OF USE PROCESSING COMPLETE

USE AMENDMENT FILED

Feb 14, 1995

USE AMENDMENT FILED

SOU EXTENSION 2 GRANTED

Aug 16, 1994

SOU EXTENSION 2 GRANTED

SOU EXTENSION 2 FILED

Jul 18, 1994

SOU EXTENSION 2 FILED

SOU EXTENSION 1 GRANTED

Jan 14, 1994

SOU EXTENSION 1 GRANTED

SOU EXTENSION 1 FILED

Nov 17, 1993

SOU EXTENSION 1 FILED

NOA MAILED - SOU REQUIRED FROM APPLICANT

Oct 12, 1993

NOA MAILED - SOU REQUIRED FROM APPLICANT

PUBLISHED FOR OPPOSITION

Jul 20, 1993

PUBLISHED FOR OPPOSITION

NOTICE OF PUBLICATION

Jun 18, 1993

NOTICE OF PUBLICATION

APPROVED FOR PUB - PRINCIPAL REGISTER

May 13, 1993

APPROVED FOR PUB - PRINCIPAL REGISTER

ASSIGNED TO EXAMINER

May 12, 1993

ASSIGNED TO EXAMINER

May 06, 1993

ASSIGNED TO EXAMINER

LIGHTTOOLS

Get pre-filing clearance

Search 14M+ trademarks

Run a conflict check

Other Marks by SYNOPSYS, INC.

Other Marks by Anna Kurian Shaw

Resources

Company