Who owns the SILLYSIS trademark?

The SILLYSIS trademark is owned by Yurong Cao.

What class is the SILLYSIS trademark registered in?

The SILLYSIS trademark is registered in Class 020 (Furniture, mirrors & non-metal containers).

What is the serial number for SILLYSIS?

The USPTO serial number for SILLYSIS is 99039465.

What is the registration number for SILLYSIS?

SILLYSIS is registered under USPTO registration number 8404976.

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Updated Oct 5, 2026·28 searches this week

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SIL

USPTO Trademark Record

REGISTERED

SILLYSIS

SN 99039465·Reg 8404976·Filed Feb 12, 2025

Owner Yurong Cao

Furniture, mirrors, picture frames; containers, not of metal, for storage or transport; unworked or semi-worked bone, horn, whalebone or mother-of-pearl; shells; meerschaum; yellow amber.

SILLYSIS (Serial No. 99039465), Registration No. 8404976, is a registered US trademark filed on Feb 12, 2025 by Yurong Cao. This trademark covers Class 020 (Furniture, mirrors & non-metal containers).

early section 8: August 18, 2032

Mark Intelligence

SILLYSIS (Reg. #8404976) is a registered US trademark that has been protecting its owner, Yurong Cao, since 2025. The mark covers Class 020 (Furniture, mirrors & non-metal containers). Goods and services include Furniture, mirrors, picture frames; containers, not of metal, for storage or transport; unworked or semi-worked bone, ho.... The mark faced 1 opposition proceeding during prosecution.

FILED

Feb 12, 2025

SERIAL

99039465

REG#

8404976

REGISTERED

Aug 18, 2026

Filing Information

StatusREGISTERED

Filing DateFeb 12, 2025

Serial Number99039465

Registration No.8404976

Registration DateAug 18, 2026

Status DateAug 18, 2026

Published for OppositionAug 26, 2025

Filing Basis & Declarations

Standard Characters ClaimedUse Application CurrentlyTrademark

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 020Furniture, mirrors & non-metal containers

US codes: 002, 013, 022, 025, 032, 050

First use anywhere: Mar 07, 2026

First use in commerce: Mar 07, 2026

Furniture, mirrors, picture frames; containers, not of metal, for storage or transport; unworked or semi-worked bone, horn, whalebone or mother-of-pearl; shells; meerschaum; yellow amber.

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

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Status History

24 events

REGISTERED-PRINCIPAL REGISTER

Aug 18, 2026

REGISTERED-PRINCIPAL REGISTER

NOTICE OF REGISTRATION CONFIRMATION EMAILED

Aug 18, 2026

NOTICE OF REGISTRATION CONFIRMATION EMAILED

ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED

Jul 27, 2026

ALLOWED PRINCIPAL REGISTER - SOU ACCEPTED

NOTICE OF ACCEPTANCE OF STATEMENT OF USE E-MAILED

Jul 27, 2026

NOTICE OF ACCEPTANCE OF STATEMENT OF USE E-MAILED

SOU EXTENSION 1 GRANTED

Jul 10, 2026

SOU EXTENSION 1 GRANTED

STATEMENT OF USE PROCESSING COMPLETE

Jul 10, 2026

STATEMENT OF USE PROCESSING COMPLETE

NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED

Jul 10, 2026

NOTICE OF APPROVAL OF EXTENSION REQUEST E-MAILED

CASE ASSIGNED TO INTENT TO USE PARALEGAL

Jul 09, 2026

CASE ASSIGNED TO INTENT TO USE PARALEGAL

SOU EXTENSION RECEIVED WITH TEAS PETITION

Apr 25, 2026

SOU EXTENSION RECEIVED WITH TEAS PETITION

USE AMENDMENT FILED

Apr 25, 2026

USE AMENDMENT FILED

PETITION TO REVIVE-GRANTED

Apr 25, 2026

PETITION TO REVIVE-GRANTED

TEAS STATEMENT OF USE RECEIVED

Apr 25, 2026

TEAS STATEMENT OF USE RECEIVED

NOTICE OF REVIVAL - E-MAILED

Apr 25, 2026

NOTICE OF REVIVAL - E-MAILED

TEAS PETITION TO REVIVE RECEIVED

Apr 25, 2026

TEAS PETITION TO REVIVE RECEIVED

SOU EXTENSION 1 FILED

Apr 21, 2026

SOU EXTENSION 1 FILED

NOA E-MAILED - SOU REQUIRED FROM APPLICANT

Oct 21, 2025

NOA E-MAILED - SOU REQUIRED FROM APPLICANT

PUBLISHED FOR OPPOSITION

Aug 26, 2025

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Aug 26, 2025

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Aug 20, 2025

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

ASSIGNED TO EXAMINER

Jul 21, 2025

ASSIGNED TO EXAMINER

APPROVED FOR PUB - PRINCIPAL REGISTER

Jul 21, 2025

APPROVED FOR PUB - PRINCIPAL REGISTER

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Jul 09, 2025

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

Feb 12, 2025

NEW APPLICATION ENTERED

APPLICATION FILING RECEIPT MAILED

Feb 12, 2025

APPLICATION FILING RECEIPT MAILED

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