Who owns the TWIN-SIX trademark?

The TWIN-SIX trademark is owned by PACTIV LLC.

What class is the TWIN-SIX trademark registered in?

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

What is the serial number for TWIN-SIX?

The USPTO serial number for TWIN-SIX is 73543061.

What is the registration number for TWIN-SIX?

TWIN-SIX is registered under USPTO registration number 1372529.

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Home Search: TWIN-SIXTWIN-SIX #73543061

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Updated Sep 20, 2026·29 searches this week

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TWI

USPTO Trademark Record

REGISTERED

TWIN-SIX

SN 73543061·Reg 1372529·Filed Jun 14, 1985

Owner PACTIV LLC

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.

TWIN-SIX (Serial No. 73543061), Registration No. 1372529, is a registered US trademark filed on Jun 14, 1985 by PACTIV LLC. This trademark covers Class 016 (Paper goods, books & stationery).

Section 8/9 declaration window: November 26, 2035

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Full conflict analysis for TWIN-SIX (SN 73543061) against the USPTO database with detailed risk factor explanations. AI-powered — takes ~1-2 min.

Mark Intelligence

TWIN-SIX (Reg. #1372529) is a registered US trademark that has been protecting its owner, PACTIV LLC, 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

Jun 14, 1985

SERIAL

73543061

REG#

1372529

REGISTERED

Nov 26, 1985

Filing Information

StatusREGISTERED

Filing DateJun 14, 1985

Serial Number73543061

Registration No.1372529

Registration DateNov 26, 1985

Status DateSep 08, 2025

Published for OppositionSep 17, 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: 002

First use anywhere: May 29, 1985

First use in commerce: May 29, 1985

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

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Status History

29 events

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Sep 08, 2025

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

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

Sep 08, 2025

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

REGISTERED AND RENEWED (THIRD RENEWAL - 10 YRS)

Sep 08, 2025

REGISTERED AND RENEWED (THIRD RENEWAL - 10 YRS)

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

Sep 08, 2025

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

TEAS SECTION 8 & 9 RECEIVED

May 08, 2025

TEAS SECTION 8 & 9 RECEIVED

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

Nov 26, 2024

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

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

Jun 13, 2015

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

REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)

Jun 13, 2015

REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)

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

Jun 13, 2015

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

TEAS SECTION 8 & 9 RECEIVED

Jun 12, 2015

TEAS SECTION 8 & 9 RECEIVED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Jun 12, 2015

TEAS CHANGE OF CORRESPONDENCE RECEIVED

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

Aug 29, 2012

AUTOMATIC UPDATE OF ASSIGNMENT OF OWNERSHIP

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

Dec 29, 2010

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

REVIEW OF CORRESPONDENCE COMPLETE

Jan 13, 2007

REVIEW OF CORRESPONDENCE COMPLETE

PAPER RECEIVED

Nov 17, 2006

PAPER RECEIVED

ASSIGNED TO PARALEGAL

Apr 12, 2006

ASSIGNED TO PARALEGAL

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

Apr 12, 2006

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

REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)

Apr 12, 2006

REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)

CASE FILE IN TICRS

Dec 15, 2005

CASE FILE IN TICRS

TEAS SECTION 8 & 9 RECEIVED

Nov 28, 2005

TEAS SECTION 8 & 9 RECEIVED

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

Nov 28, 2005

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

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

Mar 19, 1992

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

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

Nov 15, 1991

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

REGISTERED-PRINCIPAL REGISTER

Nov 26, 1985

REGISTERED-PRINCIPAL REGISTER

PUBLISHED FOR OPPOSITION

Sep 17, 1985

PUBLISHED FOR OPPOSITION

NOTICE OF PUBLICATION

Aug 18, 1985

NOTICE OF PUBLICATION

APPROVED FOR PUB - PRINCIPAL REGISTER

Jul 25, 1985

APPROVED FOR PUB - PRINCIPAL REGISTER

EXAMINER'S AMENDMENT MAILED

Jul 23, 1985

EXAMINER'S AMENDMENT MAILED

ASSIGNED TO EXAMINER

Jul 22, 1985

ASSIGNED TO EXAMINER

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