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Official data from USPTO

PYBROP

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: United States

Quick snapshot

PYBROP

ST13

US500000074548372

Class

1

Filing

74548372

Registration

1923163

Risk and opportunity diagnosis

Executive reading for naming, filing, and monitoring decisions.

USPTO status

Active USPTO registration

Case type

Application and registration

Recorded events

27

Latest update

01/06/2026

Trademark type

Word

Nice classes

1

Filing date

07/12/1994

Registration date

10/03/1995

Expiration date

-

Complete case details

Structured fields from the responsible authority and the official record.

Status date

12/18/2025

Last transaction

01/06/2026

Responsible office

United States Patent and Trademark Office

Status code

800

Official register

Principal Register

First use anywhere

01/31/1990

First use in commerce

01/31/1990

Drawing code

1

Owner type

99

Owner location

D-64293 DARMSTADT, DE

Current location

PUBLICATION AND ISSUE SECTION

Holders and representatives

Holders

MERCK KGAA
MERCK BIOSCIENCES AG
Calbiochem-Novabiochem AG

Representatives

William C. Wright Epstein Drangel LLP

Technical classification

Nice Classes

Class 1

Vienna Codes

No Vienna codes available.

Goods and services

Class 1

chemicalnamely reagent for peptide synthesis

Publications

History of USPTO decisions and trademark events.

27 publications found

NA89

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

12/18/2025

RNL3

REGISTERED AND RENEWED (THIRD RENEWAL - 10 YRS)

12/18/2025

89AG

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

12/18/2025

APRE

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

12/18/2025

E89R

TEAS SECTION 8 & 9 RECEIVED

09/10/2025

REM2

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

10/03/2024

NA89

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

10/08/2015

RNL2

REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)

10/08/2015

89AG

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

10/08/2015

EROP

TEAS RESPONSE TO OFFICE ACTION-POST REG RECEIVED

10/02/2015

PR89

POST REGISTRATION ACTION MAILED - SEC. 8 & 9

10/02/2015

E89R

TEAS SECTION 8 & 9 RECEIVED

09/29/2015

ASGN

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

02/18/2010

RNL1

REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)

10/21/2005

89AG

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

10/21/2005

PLGL

ASSIGNED TO PARALEGAL

10/19/2005

89AF

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

09/14/2005

MAIL

PAPER RECEIVED

09/14/2005

C15A

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

05/19/2001

815F

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

02/23/2001

R.PR

REGISTERED-PRINCIPAL REGISTER

10/03/1995

PUBO

PUBLISHED FOR OPPOSITION

07/11/1995

NPUB

NOTICE OF PUBLICATION

06/09/1995

CNSA

APPROVED FOR PUB - PRINCIPAL REGISTER

02/21/1995

CRFA

CORRESPONDENCE RECEIVED IN LAW OFFICE

01/10/1995

CNRT

NON-FINAL ACTION MAILED

12/05/1994

DOCK

ASSIGNED TO EXAMINER

12/01/1994

Continuous trademark protection

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