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Official data from USPTO

KONTACT

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

Before investing in name, identity, and promotion, validate collision risk and registration strategy to avoid wasting time and budget.

Active USPTO registrationType: WordOffice: US

Quick snapshot

KONTACT

ST13

US500000073506608

Class

1

Filing

73506608

Registration

1378698

Risk and opportunity diagnosis

Executive reading for naming, filing, and monitoring decisions.

Attention: there is active risk

USPTO status

Active USPTO registration

Case type

Application and registration

Recorded events

36

Latest update

04/21/2026

Classification

Registered

Trademark type

Word

Nice classes

1

Filing date

11/01/1984

Registration date

01/21/1986

Expiration date

-

Recommended action

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Next step

These are the details of the registration process. Even so, constant monitoring is what ensures peace of mind that your main asset remains protected.

Complete case details

Structured fields from the responsible authority and the official record.

Status date

03/31/2026

Last transaction

04/21/2026

Responsible office

United States Patent and Trademark Office

Status code

800

Official register

Principal Register

First use anywhere

03/01/1984

First use in commerce

03/07/1984

Drawing code

1

Owner type

16

Owner location

Pittsburgh, PA, US

Current location

PUBLICATION AND ISSUE SECTION

Holders and representatives

Holders

FISHER SCIENTIFIC COMPANY L.L.C.
CURTIN MATHESON SCIENTIFIC, INC.
PACIFIC HEMOSTASIS LABORATORY, INC.

Representatives

Kenya L. Williams Thermo Fisher Scientific

Technical classification

Nice Classes

Class 1

Vienna Codes

No Vienna codes available.

Goods and services

Class 1

MAGNESIUM-ALUMINUM-SILICATE ACTIVATED REAGENT FOR LABORATORY USE FOR TESTING HUMAN BLOOD COAGULATION

Publications

History of USPTO decisions and trademark events.

36 publications found

NA89

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

03/31/2026

RNL3

REGISTERED AND RENEWED (THIRD RENEWAL - 10 YRS)

03/31/2026

89AG

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

03/31/2026

APRE

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

03/31/2026

E89R

TEAS SECTION 8 & 9 RECEIVED

01/20/2026

REM2

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

01/21/2025

CHAN

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

03/10/2023

TCCA

TEAS CHANGE OF CORRESPONDENCE RECEIVED

03/10/2023

ARAA

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

03/10/2023

REAP

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

03/10/2023

COAR

TEAS CHANGE OF OWNER ADDRESS RECEIVED

03/10/2023

ASCK

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

06/23/2022

ASCK

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

03/23/2022

NA89

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

03/14/2016

RNL2

REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)

03/14/2016

89AG

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

03/14/2016

APRE

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

03/11/2016

E89R

TEAS SECTION 8 & 9 RECEIVED

01/05/2016

CFIT

CASE FILE IN TICRS

06/04/2008

RNL1

REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)

03/07/2006

89AG

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

03/07/2006

PLGL

ASSIGNED TO PARALEGAL

02/24/2006

89AF

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

01/20/2006

ARAA

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

01/20/2006

REAP

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

01/20/2006

E89R

TEAS SECTION 8 & 9 RECEIVED

01/20/2006

MAIL

PAPER RECEIVED

08/02/2004

MAIL

PAPER RECEIVED

12/11/2003

C15A

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

06/27/1991

815F

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

02/25/1991

R.PR

REGISTERED-PRINCIPAL REGISTER

01/21/1986

PUBO

PUBLISHED FOR OPPOSITION

10/29/1985

NPUB

NOTICE OF PUBLICATION

10/01/1985

CNSA

APPROVED FOR PUB - PRINCIPAL REGISTER

08/20/1985

CRFA

CORRESPONDENCE RECEIVED IN LAW OFFICE

07/12/1985

CNRT

NON-FINAL ACTION MAILED

01/29/1985

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