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Official data from USPTO

CLK

Did you know this trademark is already registered in United States?

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Active USPTO registrationType: WordOffice: United States

Quick snapshot

CLK

ST13

US500000073578789

Class

10

Filing

73578789

Registration

1408355

Risk and opportunity diagnosis

Executive reading for naming, filing, and monitoring decisions.

USPTO status

Active USPTO registration

Case type

Application and registration

Recorded events

40

Latest update

09/10/2025

Trademark type

Word

Nice classes

10

Filing date

01/21/1986

Registration date

09/09/1986

Expiration date

-

Complete case details

Structured fields from the responsible authority and the official record.

Status date

11/01/2016

Last transaction

09/10/2025

Responsible office

United States Patent and Trademark Office

Status code

800

Official register

Principal Register

First use anywhere

12/14/1970

First use in commerce

12/14/1970

Drawing code

1

Owner type

09

Owner location

TOKYO, JP

Examiner

MACK, MARY

Law office

510

Current location

GENERIC WEB UPDATE

Holders and representatives

Holders

O. C. (pessoa física)
O. C. (pessoa física)

Representatives

Sean K. Owens Wood Herron & Evans LLP

Technical classification

Nice Classes

Class 10

Vienna Codes

No Vienna codes available.

Goods and services

Class 10

LIGHT SOURCES FOR ENDOSCOPES

Publications

History of USPTO decisions and trademark events.

40 publications found

REM2

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

09/09/2025

EWAF

TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS

08/21/2024

TCCA

TEAS CHANGE OF CORRESPONDENCE RECEIVED

08/21/2024

ARAA

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

08/21/2024

REAP

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

08/21/2024

CHAN

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

08/21/2024

COAR

TEAS CHANGE OF OWNER ADDRESS RECEIVED

08/21/2024

TCCA

TEAS CHANGE OF CORRESPONDENCE RECEIVED

10/11/2022

ECDR

TEAS CHANGE OF DOMESTIC REPRESENTATIVES ADDRESS

10/11/2022

ARAA

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

10/11/2022

REAP

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

10/11/2022

TCCA

TEAS CHANGE OF CORRESPONDENCE RECEIVED

02/06/2020

ARAA

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

12/02/2019

REAP

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

12/02/2019

ARAA

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

11/24/2019

REAP

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

11/24/2019

NA89

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

11/01/2016

RNL2

REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)

11/01/2016

89AG

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

11/01/2016

APRE

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

11/01/2016

E89R

TEAS SECTION 8 & 9 RECEIVED

08/18/2016

CHAN

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

06/29/2016

COAR

TEAS CHANGE OF OWNER ADDRESS RECEIVED

06/29/2016

RNL1

REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)

11/06/2007

89AG

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

11/06/2007

PR89

RESPONSE RECEIVED TO POST REG. ACTION - SEC. 8 & 9

10/29/2007

MAIL

PAPER RECEIVED

10/29/2007

ASGN

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

10/03/2007

PR89

POST REGISTRATION ACTION MAILED - SEC. 8 & 9

05/08/2007

PLGL

ASSIGNED TO PARALEGAL

04/02/2007

89AF

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

03/07/2007

E89R

TEAS SECTION 8 & 9 RECEIVED

03/07/2007

CFIT

CASE FILE IN TICRS

09/29/2006

C15A

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

02/25/1992

815F

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

10/11/1991

R.PR

REGISTERED-PRINCIPAL REGISTER

09/09/1986

PUBO

PUBLISHED FOR OPPOSITION

06/17/1986

NPUB

NOTICE OF PUBLICATION

05/18/1986

CNSA

APPROVED FOR PUB - PRINCIPAL REGISTER

04/18/1986

DOCK

ASSIGNED TO EXAMINER

03/26/1986

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