Who owns the SILWICK trademark?

The SILWICK trademark is owned by Porous Materials Inc.

What class is the SILWICK trademark registered in?

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

What is the serial number for SILWICK?

The USPTO serial number for SILWICK is 99441799.

What is the registration number for SILWICK?

SILWICK is registered under USPTO registration number 8398520.

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Home Search: SILWICKSILWICK #99441799

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Updated Oct 21, 2026·23 searches this week

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SIL

USPTO Trademark Record

REGISTERED

SILWICK

SN 99441799·Reg 8398520·Filed Oct 14, 2025

Owner Porous 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.

SILWICK (Serial No. 99441799), Registration No. 8398520, is a registered US trademark filed on Oct 14, 2025 by Porous Materials Inc. This trademark covers Class 001 (Chemicals for industrial, scientific & agricultural use).

early section 8: August 18, 2032

Mark Intelligence

SILWICK (Reg. #8398520) is a registered US trademark that has been protecting its owner, Porous Materials Inc, since 2025. 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

Oct 14, 2025

SERIAL

99441799

REG#

8398520

REGISTERED

Aug 18, 2026

Filing Information

StatusREGISTERED

Filing DateOct 14, 2025

Serial Number99441799

Registration No.8398520

Registration DateAug 18, 2026

Status DateAug 18, 2026

Published for OppositionJun 30, 2026

Filing Basis & Declarations

Standard Characters ClaimedFiled as Use ApplicationUse Application CurrentlyTrademark

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 001Chemicals for industrial, scientific & agricultural use

US codes: 001, 005, 006, 010, 026, 046

First use anywhere: Jul 29, 2015

First use in commerce: Aug 03, 2015

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

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Status History

22 events

REGISTERED-PRINCIPAL REGISTER

Aug 18, 2026

REGISTERED-PRINCIPAL REGISTER

NOTICE OF REGISTRATION CONFIRMATION EMAILED

Aug 18, 2026

NOTICE OF REGISTRATION CONFIRMATION EMAILED

PUBLISHED FOR OPPOSITION

Jun 30, 2026

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Jun 30, 2026

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Jun 24, 2026

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

APPROVED FOR PUB - PRINCIPAL REGISTER

Jun 04, 2026

APPROVED FOR PUB - PRINCIPAL REGISTER

NON-FINAL ACTION WRITTEN

May 18, 2026

NON-FINAL ACTION WRITTEN

NON-FINAL ACTION E-MAILED

May 18, 2026

NON-FINAL ACTION E-MAILED

NOTIFICATION OF NON-FINAL ACTION E-MAILED

May 18, 2026

NOTIFICATION OF NON-FINAL ACTION E-MAILED

TEAS RESPONSE TO OFFICE ACTION RECEIVED

May 18, 2026

TEAS RESPONSE TO OFFICE ACTION RECEIVED

CORRESPONDENCE RECEIVED IN LAW OFFICE

May 18, 2026

CORRESPONDENCE RECEIVED IN LAW OFFICE

TEAS/EMAIL CORRESPONDENCE ENTERED

May 18, 2026

TEAS/EMAIL CORRESPONDENCE ENTERED

TEAS RESPONSE TO OFFICE ACTION RECEIVED

May 05, 2026

TEAS RESPONSE TO OFFICE ACTION RECEIVED

CORRESPONDENCE RECEIVED IN LAW OFFICE

May 05, 2026

CORRESPONDENCE RECEIVED IN LAW OFFICE

TEAS/EMAIL CORRESPONDENCE ENTERED

May 05, 2026

TEAS/EMAIL CORRESPONDENCE ENTERED

NON-FINAL ACTION WRITTEN

Mar 04, 2026

NON-FINAL ACTION WRITTEN

NON-FINAL ACTION E-MAILED

Mar 04, 2026

NON-FINAL ACTION E-MAILED

NOTIFICATION OF NON-FINAL ACTION E-MAILED

Mar 04, 2026

NOTIFICATION OF NON-FINAL ACTION E-MAILED

ASSIGNED TO EXAMINER

Mar 02, 2026

ASSIGNED TO EXAMINER

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Feb 11, 2026

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

Oct 14, 2025

NEW APPLICATION ENTERED

APPLICATION FILING RECEIPT MAILED

Oct 14, 2025

APPLICATION FILING RECEIPT MAILED

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99440527

Porous Materials Inc

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INT

INTELLIPORE

99314910

Porous Materials Inc

PENDING

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