Who owns the LANDAUER trademark?

The LANDAUER trademark is owned by LANDAUER, INC..

What class is the LANDAUER trademark registered in?

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

What is the serial number for LANDAUER?

The USPTO serial number for LANDAUER is 73055405.

What is the registration number for LANDAUER?

LANDAUER is registered under USPTO registration number 1058755.

Sealvo

Home Search: LANDAUERLANDAUER #73055405

Back

Updated Sep 30, 2026·8 searches this week

View on USPTO TSDR Find similar marks

LAN

USPTO Trademark Record

REGISTERED

LANDAUER

SN 73055405·Reg 1058755·Filed Jun 17, 1975

Owner LANDAUER, INC.

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.

LANDAUER (Serial No. 73055405), Registration No. 1058755, is a registered US trademark filed on Jun 17, 1975 by LANDAUER, INC.. This trademark covers Class 042 (Scientific, technology & SaaS services).

renewal 50y period: February 08, 2027131 days remaining

Conflict Analysis

Full conflict analysis for LANDAUER (SN 73055405) against the USPTO database with detailed risk factor explanations. AI-powered — takes ~1-2 min.

Mark Intelligence

LANDAUER (Reg. #1058755) is a registered US trademark that has been protecting its owner, LANDAUER, INC., since 1975. 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....

FILED

Jun 17, 1975

SERIAL

73055405

REG#

1058755

REGISTERED

Feb 08, 1977

Filing Information

StatusREGISTERED

Filing DateJun 17, 1975

Serial Number73055405

Registration No.1058755

Registration DateFeb 08, 1977

Status DateMar 31, 2017

Mark TypeTypeset (words/letters/numbers)

Filing Basis & Declarations

Standard Characters ClaimedFiled as Use ApplicationUse Application CurrentlySection 8 AcceptedSection 15 Acknowledged

International Filings

Madrid Protocol1 filings

This mark has 1 Madrid Protocol filing on record with the USPTO.

0904975

480Oct 19, 2006

Source: USPTO Madrid International Filing Requests

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 042Scientific, technology & SaaS services

US codes: 100

First use anywhere: May 31, 1954

First use in commerce: May 31, 1954

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

27 events

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

Feb 08, 2026

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

TEAS CHANGE OF OWNER ADDRESS RECEIVED

Mar 26, 2021

TEAS CHANGE OF OWNER ADDRESS RECEIVED

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

Mar 26, 2021

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Mar 26, 2021

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Mar 26, 2021

TEAS CHANGE OF CORRESPONDENCE RECEIVED

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

Mar 26, 2021

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

NOTICE OF SUIT

Dec 03, 2020

NOTICE OF SUIT

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

May 09, 2018

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

May 09, 2018

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Mar 31, 2017

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

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

Mar 31, 2017

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

REGISTERED AND RENEWED (THIRD RENEWAL - 10 YRS)

Mar 31, 2017

REGISTERED AND RENEWED (THIRD RENEWAL - 10 YRS)

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

Mar 31, 2017

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

TEAS SECTION 8 & 9 RECEIVED

Feb 06, 2017

TEAS SECTION 8 & 9 RECEIVED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Apr 12, 2016

TEAS CHANGE OF CORRESPONDENCE RECEIVED

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

Feb 08, 2016

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

CASE FILE IN TICRS

Oct 04, 2007

CASE FILE IN TICRS

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

Dec 18, 2006

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

REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)

Dec 18, 2006

REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)

ASSIGNED TO PARALEGAL

Dec 16, 2006

ASSIGNED TO PARALEGAL

TEAS SECTION 8 & 9 RECEIVED

Oct 06, 2006

TEAS SECTION 8 & 9 RECEIVED

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

Oct 06, 2006

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Oct 06, 2006

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

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

Oct 06, 2006

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

REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)

Mar 10, 1997

REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)

REGISTERED - SEC. 9 FILED/CHECK RECORD FOR SEC. 8

Feb 03, 1997

REGISTERED - SEC. 9 FILED/CHECK RECORD FOR SEC. 8

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

May 17, 1982

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

Other Marks by LANDAUER, INC.

Additional USPTO filings from the same owner.

LAN

LANDAUER VISION

87743747

Landauer, Inc.

REGISTERED

EST

ESTIMATE

87912527

Landauer, Inc.

REGISTERED

ESC

ESCORT

74399705

Landauer, Inc.

REGISTERED

CLI

CLINICAL DOSE OPTIMIZATION SERVICE

86901655

Landauer, Inc.

REGISTERED

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

Recently filed and registered marks in the same international class.

LAN

LANDAUER OPTIMIZE

88589287

Landauer, Inc.

REGISTERED

LAN

LANDAUER MEDICAL PHYSICS

85622505

Landauer, Inc.

REGISTERED

LAN

LANDAUER DOSE OF RECORD

77385369

Landauer, Inc.

ABANDONED

Other Marks by Caldwell A. Camero

Additional USPTO filings handled by the same attorney of record.

99449065

REGISTERED

OPT

OPTALIGN

73573220

REGISTERED

VIB

VIBCODE

74565324

REGISTERED

CAL

CALSTUDIO

99082607

REGISTERED

LANDAUER

Run a conflict check

Other Marks by LANDAUER, INC.

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

Other Marks by Caldwell A. Camero

Get pre-filing clearance

Search 15M+ trademarks

Resources

Company