Who owns the SIGMA trademark?

The SIGMA trademark is owned by MERCK KGAA.

What class is the SIGMA trademark registered in?

The SIGMA trademark is registered in Class 006 (Common metals, their alloys & metal goods).

What is the serial number for SIGMA?

The USPTO serial number for SIGMA is 72027240.

What is the registration number for SIGMA?

SIGMA is registered under USPTO registration number 658188.

Sealvo

Home Search: SIGMASIGMA #72027240

Back

Updated Nov 3, 2026·21 searches this week

View on USPTO TSDR Find similar marks

Section 8/9 declaration window

February 11, 2028

465 days remaining

SIG

SIGMA

REGISTERED

Serial: 72027240
Reg: 658188
Filed
Owner: MERCK KGAA

Common metals and their alloys, ores; metal materials for building and construction; transportable buildings of metal; non-electric cables and wires of common metal; small items of metal hardware; metal containers for storage or transport; safes.

What to file next

Section 9 renewal, filed with a Section 8 declaration

When: Due between the ninth and tenth anniversary of registration, then before each tenth anniversary after that.
Extensions and grace: A six-month grace period follows, with an added per-class fee.
If it is missed: A missed renewal cancels the registration, and there is no revival route for it.

How Section 9 renewal works

General information about USPTO practice, not legal advice. The register is the authority, and a filing that has not yet posted can change what is owed.

Full Goods & Services

Class 006Common metals, their alloys & metal goods

US codes: 006

First use anywhere: Nov 30, 1947

First use in commerce: Nov 30, 1947

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

Status History

33 events

TEAS CHANGE OF OWNER ADDRESS RECEIVED

May 20, 2021

Code COAR

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

May 20, 2021

Code REAP

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

May 20, 2021

Code ARAA

TEAS CHANGE OF DOMESTIC REPRESENTATIVES ADDRESS

May 20, 2021

Code ECDR

TEAS CHANGE OF CORRESPONDENCE RECEIVED

May 20, 2021

Code TCCA

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

May 20, 2021

Code CHAN

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

Oct 28, 2020

Code ASGN

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Jan 03, 2018

Code APRE

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

Jan 03, 2018

Code 89AG

REGISTERED AND RENEWED (FOURTH RENEWAL - 10 YRS)

Jan 03, 2018

Code RNL4

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

Jan 03, 2018

Code NA89

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Dec 05, 2017

Code TCCA

TEAS SECTION 8 & 9 RECEIVED

Dec 05, 2017

Code E89R

REGISTERED - SEC. 15 ACKNOWLEDGED

Jul 06, 2017

Code 15AK

REVIEW OF CORRESPONDENCE COMPLETE - ADDRESS UPDATED

Jul 06, 2017

Code CORV

SEC. 15 ACKNOWLEDGEMENT - E-MAILED

Jul 06, 2017

Code NA15

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

Feb 11, 2017

Code REM2

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

Aug 30, 2013

Code REAP

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Aug 30, 2013

Code ARAA

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

Oct 05, 2011

Code ASGN

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

Mar 03, 2010

Code REAP

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Mar 03, 2010

Code ARAA

CASE FILE IN TICRS

Jan 15, 2009

Code CFIT

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

Mar 06, 2008

Code 89AG

REGISTERED AND RENEWED (THIRD RENEWAL - 10 YRS)

Mar 06, 2008

Code RNL3

POST REGISTRATION ACTION MAILED - SEC. 8 & 9

Feb 27, 2008

Code PR89

ASSIGNED TO PARALEGAL

Feb 25, 2008

Code PLGL

TEAS SECTION 15 RECEIVED

Feb 20, 2008

Code E15R

TEAS SECTION 8 & 9 RECEIVED

Feb 20, 2008

Code E89R

REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)

May 21, 1998

Code RNL2

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

Mar 26, 1998

Code 9.AF

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

Mar 26, 1998

Code 9.AF

REGISTERED AND RENEWED (FIRST RENEWAL - 20 YRS)

Feb 11, 1978

Code REN1

SIGMA

What to file next

Full Goods & Services

Filing Basis & Declarations

Other Marks by MERCK KGAA

Other Marks in Class 006 — Common metals, their alloys & metal goods

Other Marks by William C. Wright

Get pre-filing clearance

Search 14M+ trademarks

Run a conflict check

Industries

USPTO Deadlines

Compare

Resources

Company