Who owns the SILSOFT trademark?

The SILSOFT trademark is owned by Momentive Performance Materials Inc..

What class is the SILSOFT trademark registered in?

The SILSOFT trademark is registered in Class 001 (Chemicals for industrial, scientific & agricultural use).

What is the serial number for SILSOFT?

The USPTO serial number for SILSOFT is 73601017.

What is the registration number for SILSOFT?

SILSOFT is registered under USPTO registration number 1418833.

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SIL

USPTO Trademark Record

REGISTERED

SILSOFT

SN 73601017·Reg 1418833·Filed May 27, 1986

Owner Momentive Performance Materials Inc.

Chemicals for use in industry, science and photography, as well as in agriculture, horticulture and forestry; unprocessed artificial resins, unprocessed plastics; fire extinguishing and fire prevention compositions; tempering and soldering preparations; substances for tanning animal skins and hides; adhesives for use in industry; compost, manures, fertilizers; biological preparations for use in industry and science.

SILSOFT (Serial No. 73601017), Registration No. 1418833, is a registered US trademark filed on May 27, 1986 by Momentive Performance Materials Inc.. This trademark covers Class 001 (Chemicals for industrial, scientific & agricultural use).

renewal 40y period: December 02, 2026

Mark Intelligence

SILSOFT (Reg. #1418833) is a registered US trademark that has been protecting its owner, Momentive Performance Materials Inc., since 1986. The mark covers Class 001 (Chemicals for industrial, scientific & agricultural use). Goods and services include Chemicals for use in industry, science and photography, as well as in agriculture, horticulture and forestry; unprocesse.... The mark faced 1 opposition proceeding during prosecution.

FILED

May 27, 1986

SERIAL

73601017

REG#

1418833

REGISTERED

Dec 02, 1986

Filing Information

StatusREGISTERED

Filing DateMay 27, 1986

Serial Number73601017

Registration No.1418833

Registration DateDec 02, 1986

Status DateAug 18, 2026

Published for OppositionSep 09, 1986

Filing Basis & Declarations

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

International Filings

Madrid Protocol2 filings

This mark has 2 Madrid Protocol filings on record with the USPTO.

0845984

480Feb 22, 2005

Source: USPTO Madrid International Filing Requests

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 001Chemicals for industrial, scientific & agricultural use

US codes: 001

First use anywhere: Oct 29, 1985

First use in commerce: Oct 29, 1985

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

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Status History

57 events

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Aug 18, 2026

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

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

Aug 18, 2026

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

REGISTERED AND RENEWED (THIRD RENEWAL - 10 YRS)

Aug 18, 2026

REGISTERED AND RENEWED (THIRD RENEWAL - 10 YRS)

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

Aug 18, 2026

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

TEAS SECTION 8 & 9 RECEIVED

Jun 22, 2026

TEAS SECTION 8 & 9 RECEIVED

TEAS CHANGE OF OWNER ADDRESS RECEIVED

Feb 18, 2026

TEAS CHANGE OF OWNER ADDRESS RECEIVED

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

Feb 18, 2026

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

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

Feb 18, 2026

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Feb 18, 2026

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Feb 18, 2026

TEAS CHANGE OF CORRESPONDENCE RECEIVED

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

Dec 23, 2025

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

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

Dec 02, 2025

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

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

Apr 19, 2023

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

TEAS CHANGE OF OWNER ADDRESS RECEIVED

Mar 26, 2020

TEAS CHANGE OF OWNER ADDRESS RECEIVED

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

Mar 26, 2020

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Mar 26, 2020

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Mar 26, 2020

TEAS CHANGE OF CORRESPONDENCE RECEIVED

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

Mar 26, 2020

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

TEAS CHANGE OF OWNER ADDRESS RECEIVED

Feb 26, 2020

TEAS CHANGE OF OWNER ADDRESS RECEIVED

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

Feb 26, 2020

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Feb 26, 2020

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Feb 26, 2020

TEAS CHANGE OF CORRESPONDENCE RECEIVED

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

Feb 26, 2020

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

Jun 12, 2019

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

May 29, 2019

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

Jan 24, 2017

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

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

Jan 24, 2017

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

REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)

Jan 24, 2017

REGISTERED AND RENEWED (SECOND RENEWAL - 10 YRS)

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

Jan 24, 2017

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

TEAS SECTION 8 & 9 RECEIVED

Nov 15, 2016

TEAS SECTION 8 & 9 RECEIVED

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

Dec 02, 2015

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

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

Mar 18, 2015

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

Nov 05, 2014

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

May 08, 2013

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

Apr 17, 2013

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

May 30, 2012

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

Jul 29, 2009

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

Jul 08, 2009

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

May 07, 2008

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

Jul 04, 2007

ASSIGNMENT OF OWNERSHIP NOT UPDATED AUTOMATICALLY

TEAS CHANGE OF CORRESPONDENCE RECEIVED

Mar 09, 2007

TEAS CHANGE OF CORRESPONDENCE RECEIVED

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

Jan 30, 2007

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

REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)

Jan 30, 2007

REGISTERED AND RENEWED (FIRST RENEWAL - 10 YRS)

ASSIGNED TO PARALEGAL

Jan 29, 2007

ASSIGNED TO PARALEGAL

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

Nov 29, 2006

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

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

Nov 29, 2006

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

TEAS SECTION 8 & 9 RECEIVED

Nov 29, 2006

TEAS SECTION 8 & 9 RECEIVED

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

Nov 29, 2006

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

CASE FILE IN TICRS

Sep 26, 2006

CASE FILE IN TICRS

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

Jun 25, 2001

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

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

Oct 09, 1992

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

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

Jun 24, 1992

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

REGISTERED-PRINCIPAL REGISTER

Dec 02, 1986

REGISTERED-PRINCIPAL REGISTER

PUBLISHED FOR OPPOSITION

Sep 09, 1986

PUBLISHED FOR OPPOSITION

NOTICE OF PUBLICATION

Aug 10, 1986

NOTICE OF PUBLICATION

APPROVED FOR PUB - PRINCIPAL REGISTER

Jul 24, 1986

APPROVED FOR PUB - PRINCIPAL REGISTER

ASSIGNED TO EXAMINER

Jul 23, 1986

ASSIGNED TO EXAMINER

Other Marks by Momentive Performance Materials Inc.

Additional USPTO filings from the same owner.

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SILCOOL

78374269

Momentive Performance Materials Inc.

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ANC

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MOMENTIVE PERFORMANCE MATERIALS INC.

REGISTERED

ANC

ANCHORSIL 2000

78365558

Momentive Performance Materials Inc

REGISTERED

MAG

MAGNASOFT

73558677

Momentive Performance Materials Inc.

REGISTERED

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