Who owns the INDEX CHEMICUS trademark?

The INDEX CHEMICUS trademark is owned by CLARIVATE ANALYTICS (US) LLC.

What class is the INDEX CHEMICUS trademark registered in?

The INDEX CHEMICUS trademark is registered in Class 038 (Telecommunications services).

What is the serial number for INDEX CHEMICUS?

The USPTO serial number for INDEX CHEMICUS is 72251098.

What is the registration number for INDEX CHEMICUS?

INDEX CHEMICUS is registered under USPTO registration number 826421.

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Home Search: INDEX CHEMICUSINDEX CHEMICUS #72251098

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Updated Sep 20, 2026·11 searches this week

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USPTO Trademark Record

REGISTERED

INDEX CHEMICUS

SN 72251098·Reg 826421·Filed Jul 27, 1966

Owner CLARIVATE ANALYTICS (US) LLC

Telecommunications.

INDEX CHEMICUS (Serial No. 72251098), Registration No. 826421, is a registered US trademark filed on Jul 27, 1966 by CLARIVATE ANALYTICS (US) LLC. This trademark covers Class 038 (Telecommunications services).

renewal 60y period: March 29, 2027190 days remaining

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Mark Intelligence

INDEX CHEMICUS (Reg. #826421) is a registered US trademark that has been protecting its owner, CLARIVATE ANALYTICS (US) LLC, since 1966. The mark covers Class 038 (Telecommunications services). Goods and services include Telecommunications..

FILED

Jul 27, 1966

SERIAL

72251098

REG#

826421

REGISTERED

Mar 28, 1967

Filing Information

StatusREGISTERED

Filing DateJul 27, 1966

Serial Number72251098

Registration No.826421

Registration DateMar 28, 1967

Status DateJun 13, 2016

Mark TypeTypeset (words/letters/numbers)

Filing Basis & Declarations

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

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 038Telecommunications services

US codes: 038

First use anywhere: Feb 29, 1960

First use in commerce: Feb 29, 1960

Telecommunications.

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

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Status History

23 events

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

May 07, 2026

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

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

Mar 28, 2026

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

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

Mar 06, 2026

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Mar 06, 2026

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Mar 06, 2026

TEAS CHANGE OF CORRESPONDENCE RECEIVED

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

May 17, 2017

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

Mar 29, 2017

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Jun 13, 2016

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

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

Jun 13, 2016

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

REGISTERED AND RENEWED (THIRD RENEWAL - 10 YRS)

Jun 13, 2016

REGISTERED AND RENEWED (THIRD RENEWAL - 10 YRS)

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

Jun 13, 2016

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

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

Mar 28, 2016

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

TEAS SECTION 8 & 9 RECEIVED

Mar 28, 2016

TEAS SECTION 8 & 9 RECEIVED

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

Mar 13, 2013

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

CASE FILE IN TICRS

Feb 06, 2009

CASE FILE IN TICRS

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

Sep 03, 2008

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

ASSIGNED TO PARALEGAL

Jun 11, 2007

ASSIGNED TO PARALEGAL

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

Jun 11, 2007

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

REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)

Jun 11, 2007

REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)

TEAS SECTION 8 & 9 RECEIVED

May 17, 2007

TEAS SECTION 8 & 9 RECEIVED

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

May 17, 2007

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

REGISTERED AND RENEWED (FIRST RENEWAL - 20 YRS)

Mar 28, 1987

REGISTERED AND RENEWED (FIRST RENEWAL - 20 YRS)

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

Nov 25, 1986

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

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