Who owns the RATIONAL trademark?

The RATIONAL trademark is owned by INTERNATIONAL BUSINESS MACHINES CORPORATION.

What class is the RATIONAL trademark registered in?

The RATIONAL trademark is registered in Class 016 (Paper goods, books & stationery).

What is the serial number for RATIONAL?

The USPTO serial number for RATIONAL is 73531936.

What is the registration number for RATIONAL?

RATIONAL is registered under USPTO registration number 1363343.

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USPTO Trademark Record

REGISTERED

RATIONAL

SN 73531936·Reg 1363343·Filed Apr 12, 1985

Owner INTERNATIONAL BUSINESS MACHINES CORPORATION

Paper and cardboard; printed matter; bookbinding material; photographs; stationery and office requisites, except furniture; adhesives for stationery or household purposes; drawing materials and materials for artists; paintbrushes; instructional and teaching materials; plastic sheets, films and bags for wrapping and packaging; printers' type, printing blocks.

RATIONAL (Serial No. 73531936), Registration No. 1363343, is a registered US trademark filed on Apr 12, 1985 by INTERNATIONAL BUSINESS MACHINES CORPORATION. This trademark covers Class 016 (Paper goods, books & stationery).

Section 8/9 declaration window: October 01, 2035

Mark Intelligence

RATIONAL (Reg. #1363343) is a registered US trademark that has been protecting its owner, INTERNATIONAL BUSINESS MACHINES CORPORATION, since 1985. The mark covers Class 016 (Paper goods, books & stationery). Goods and services include Paper and cardboard; printed matter; bookbinding material; photographs; stationery and office requisites, except furnitu.... The mark faced 1 opposition proceeding during prosecution.

FILED

Apr 12, 1985

SERIAL

73531936

REG#

1363343

REGISTERED

Oct 01, 1985

Filing Information

StatusREGISTERED

Filing DateApr 12, 1985

Serial Number73531936

Registration No.1363343

Registration DateOct 01, 1985

Status DateMar 31, 2026

Published for OppositionJul 23, 1985

Filing Basis & Declarations

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

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 016Paper goods, books & stationery

US codes: 026, 038

First use anywhere: Jan 12, 1985

First use in commerce: Jan 12, 1985

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

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Status History

34 events

POST REGISTRATION ACTION MAILED NO RESPONSE REQUIRED

Mar 31, 2026

POST REGISTRATION ACTION MAILED NO RESPONSE REQUIRED

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

Mar 31, 2026

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

REGISTERED AND RENEWED (THIRD RENEWAL - 10 YRS)

Mar 31, 2026

REGISTERED AND RENEWED (THIRD RENEWAL - 10 YRS)

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

Mar 31, 2026

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

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Dec 13, 2025

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

TEAS SECTION 8 & 9 RECEIVED

Sep 05, 2025

TEAS SECTION 8 & 9 RECEIVED

TEAS CHANGE OF OWNER ADDRESS RECEIVED

Aug 18, 2025

TEAS CHANGE OF OWNER ADDRESS RECEIVED

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

Aug 18, 2025

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

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

Aug 18, 2025

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Aug 18, 2025

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Aug 18, 2025

TEAS CHANGE OF CORRESPONDENCE RECEIVED

TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS

Aug 18, 2025

TEAS WITHDRAWAL OF ATTORNEY RECEIVED-FIRM RETAINS

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

Oct 01, 2024

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

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

Sep 25, 2019

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Sep 25, 2019

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Nov 14, 2015

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

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

Nov 14, 2015

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

REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)

Nov 14, 2015

REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)

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

Nov 14, 2015

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

TEAS SECTION 8 & 9 RECEIVED

Oct 01, 2015

TEAS SECTION 8 & 9 RECEIVED

CASE FILE IN TICRS

Jun 02, 2008

CASE FILE IN TICRS

ASSIGNED TO PARALEGAL

Jun 10, 2006

ASSIGNED TO PARALEGAL

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

Jun 10, 2006

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

REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)

Jun 10, 2006

REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)

TEAS SECTION 8 & 9 RECEIVED

Aug 28, 2005

TEAS SECTION 8 & 9 RECEIVED

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

Aug 28, 2005

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

PAPER RECEIVED

Nov 13, 2003

PAPER RECEIVED

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

Jul 16, 1991

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

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

Oct 12, 1990

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

REGISTERED-PRINCIPAL REGISTER

Oct 01, 1985

REGISTERED-PRINCIPAL REGISTER

PUBLISHED FOR OPPOSITION

Jul 23, 1985

PUBLISHED FOR OPPOSITION

NOTICE OF PUBLICATION

Jun 24, 1985

NOTICE OF PUBLICATION

APPROVED FOR PUB - PRINCIPAL REGISTER

May 31, 1985

APPROVED FOR PUB - PRINCIPAL REGISTER

EXAMINER'S AMENDMENT MAILED

May 29, 1985

EXAMINER'S AMENDMENT MAILED

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