Who owns the BIOSIL trademark?

The BIOSIL trademark is owned by QUECHEN SILICON CHEMICAL CO., LTD..

What class is the BIOSIL trademark registered in?

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

What is the serial number for BIOSIL?

The USPTO serial number for BIOSIL is 79365438.

What is the registration number for BIOSIL?

BIOSIL is registered under USPTO registration number 0.

Sealvo

Home Search: BIOSILBIOSIL #79365438

Back

Updated Sep 21, 2026·37 searches this week

View on USPTO TSDR Find similar marks

BIO

USPTO Trademark Record

ABANDONED

BIOSIL

SN 79365438·Reg 0·Filed Jan 30, 2023

Owner QUECHEN SILICON CHEMICAL CO., LTD.

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.

BIOSIL (Serial No. 79365438), Registration No. 0, is a abandoned US trademark filed on Jan 30, 2023 by QUECHEN SILICON CHEMICAL CO., LTD.. This trademark covers Class 001 (Chemicals for industrial, scientific & agricultural use).

Conflict Analysis

Full conflict analysis for BIOSIL (SN 79365438) against the USPTO database with detailed risk factor explanations. AI-powered — takes ~1-2 min.

Mark Intelligence

BIOSIL (Reg. #0) is an abandoned US trademark that was filed in 2023 but has since been abandoned. 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....

FILED

Jan 30, 2023

SERIAL

79365438

REG#

REGISTERED

Dec 31, 1969

Filing Information

StatusABANDONED

Filing DateJan 30, 2023

Serial Number79365438

Registration No.0

Registration DateDec 31, 1969

Status DateMay 17, 2024

Mark TypeStylized characters

Filing Basis & Declarations

Trademark

Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 001Chemicals for industrial, scientific & agricultural use

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

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

Run a conflict check

Search by serial number, mark name, or logo. See conflicting marks ranked by risk with clear explanations of what contributed.

Run conflict check

Status History

16 events

FINAL DECISION TRANSACTION PROCESSED BY IB

Jun 06, 2025

FINAL DECISION TRANSACTION PROCESSED BY IB

FINAL DISPOSITION NOTICE SENT TO IB

May 19, 2025

FINAL DISPOSITION NOTICE SENT TO IB

FINAL DISPOSITION NOTICE CREATED, TO BE SENT TO IB

May 18, 2025

FINAL DISPOSITION NOTICE CREATED, TO BE SENT TO IB

ABANDONMENT - FAILURE TO RESPOND OR LATE RESPONSE

May 17, 2024

ABANDONMENT - FAILURE TO RESPOND OR LATE RESPONSE

ABANDONMENT NOTICE MAILED - FAILURE TO RESPOND

May 17, 2024

ABANDONMENT NOTICE MAILED - FAILURE TO RESPOND

May 17, 2024

ABANDONMENT NOTICE MAILED - FAILURE TO RESPOND

REFUSAL PROCESSED BY IB

Nov 28, 2023

REFUSAL PROCESSED BY IB

NON-FINAL ACTION (IB REFUSAL) PREPARED FOR REVIEW

Nov 03, 2023

NON-FINAL ACTION (IB REFUSAL) PREPARED FOR REVIEW

REFUSAL PROCESSED BY MPU

Nov 03, 2023

REFUSAL PROCESSED BY MPU

NON-FINAL ACTION MAILED - REFUSAL SENT TO IB

Nov 03, 2023

NON-FINAL ACTION MAILED - REFUSAL SENT TO IB

NON-FINAL ACTION WRITTEN

Nov 02, 2023

NON-FINAL ACTION WRITTEN

ASSIGNED TO EXAMINER

Oct 27, 2023

ASSIGNED TO EXAMINER

APPLICATION FILING RECEIPT MAILED

Mar 28, 2023

APPLICATION FILING RECEIPT MAILED

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Mar 23, 2023

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

LIMITATION FROM ORIGINAL APPLICATION ENTERED

Mar 22, 2023

LIMITATION FROM ORIGINAL APPLICATION ENTERED

SN ASSIGNED FOR SECT 66A APPL FROM IB

Mar 16, 2023

SN ASSIGNED FOR SECT 66A APPL FROM IB

Other Marks by QUECHEN SILICON CHEMICAL CO., LTD.

Additional USPTO filings from the same owner.

RHA

RHASIL

79365434

QUECHEN SILICON CHEMICAL CO., LTD.

REGISTERED

QCQ

Q&C QUECHEN

79335845

QUECHEN SILICON CHEMICAL CO., LTD.

REGISTERED

Other Marks in Class 001 — Chemicals for industrial, scientific & agricultural use

Recently filed and registered marks in the same international class.

BIO

BIOSIL

85663065

BIOTRONIK SE & Co. KG

ABANDONED

BIO

BIOSIL

78981344

Biosil Technologies, Inc.

ABANDONED

BIO

BIOSIL

77101642

CLARIANT AG

ABANDONED

BIO

BIOSIL

75649412

Polymer Technology Group Inc, The

ABANDONED

BIOSIL

Run a conflict check

Other Marks by QUECHEN SILICON CHEMICAL CO., LTD.

Other Marks in Class 001 — Chemicals for industrial, scientific & agricultural use

Get pre-filing clearance

Search 15M+ trademarks

Resources

Company