Who owns the SIRCLE trademark?

The SIRCLE trademark is owned by BLUESTAR SILICONES FRANCE SAS.

What class is the SIRCLE trademark registered in?

The SIRCLE trademark is registered in Class 001 (Chemicals for industrial, scientific & agricultural use), Class 017 (Rubber, plastics & insulating materials), Class 040 (Treatment & processing of materials), Class 042 (Scientific, technology & SaaS services).

What is the serial number for SIRCLE?

The USPTO serial number for SIRCLE is 79434770.

What is the registration number for SIRCLE?

SIRCLE is registered under USPTO registration number 8418279.

SIRCLE - Owned by BLUESTAR SILICONES FRANCE SAS - (Class 001, Class 017, Class 040)

What to file next

Section 8 declaration of continued use

When: Due between the fifth and sixth anniversary of registration.
Extensions and grace: A six-month grace period follows, with an added per-class fee.
If it is missed: A missed Section 8 cancels the registration, and there is no revival route for it.

How the Section 8 deadline works

General information about USPTO practice, not legal advice. The register is the authority, and a filing that has not yet posted can change what is owed.

Full Goods & Services

Class 001Chemicals for industrial, scientific & agricultural use

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

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.

Class 017Rubber, plastics & insulating materials

US codes: 001, 005, 012, 013, 035, 050

Unprocessed and semi-processed rubber, gutta-percha, gum, asbestos, mica and substitutes for all these materials; plastics and resins in extruded form for use in manufacture; packing, stopping and insulating materials; flexible pipes, tubes and hoses, not of metal.

Class 040Treatment & processing of materials

US codes: 100, 103, 106

Treatment of materials; recycling of waste and trash; air purification and treatment of water; printing services; food and drink preservation.

Class 042Scientific, technology & SaaS services

US codes: 100, 101

Scientific and technological services and research and design relating thereto; industrial analysis, industrial research and industrial design services; quality control and authentication services; design and development of computer hardware and software.

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

Filing Basis & Declarations

Trademark

Status History

27 events

CHANGE OF NAME/ADDRESS REC'D FROM IB

Nov 05, 2026

Code ADCH

NEW REPRESENTATIVE AT IB RECEIVED

Oct 29, 2026

Code NREP

REGISTERED-PRINCIPAL REGISTER

Sep 01, 2026

Code R.PR

NOTICE OF REGISTRATION CONFIRMATION EMAILED

Sep 01, 2026

Code NRCC

PUBLISHED FOR OPPOSITION

Jul 14, 2026

Code PUBO

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Jul 14, 2026

Code NPUB

NOTIFICATION PROCESSED BY IB

Jul 09, 2026

Code GPNX

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Jul 08, 2026

Code NONP

NOTICE OF START OF OPPOSITION PERIOD CREATED, TO BE SENT TO IB

Jun 24, 2026

Code OP2R

NOTIFICATION OF POSSIBLE OPPOSITION SENT TO IB

Jun 24, 2026

Code OPNS

EXAMINERS AMENDMENT -WRITTEN

Jun 13, 2026

Code CNEA

EXAMINERS AMENDMENT E-MAILED

Jun 13, 2026

Code GNEA

EXAMINER'S AMENDMENT ENTERED

Jun 13, 2026

Code XAEC

APPROVED FOR PUB - PRINCIPAL REGISTER

Jun 13, 2026

Code CNSA

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

Jun 13, 2026

Code GNEN

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Jun 09, 2026

Code TROA

CORRESPONDENCE RECEIVED IN LAW OFFICE

Jun 09, 2026

Code CRFA

TEAS/EMAIL CORRESPONDENCE ENTERED

Jun 09, 2026

Code TEME

REFUSAL PROCESSED BY IB

Dec 25, 2025

Code RFNT

REFUSAL PROCESSED BY MPU

Dec 11, 2025

Code RFRR

NON-FINAL ACTION MAILED - REFUSAL SENT TO IB

Dec 11, 2025

Code RFCS

NON-FINAL ACTION (IB REFUSAL) PREPARED FOR REVIEW

Nov 04, 2025

Code RFCR

NON-FINAL ACTION WRITTEN

Nov 03, 2025

Code CNRT

ASSIGNED TO EXAMINER

Oct 18, 2025

Code DOCK

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Oct 17, 2025

Code NWOS

APPLICATION FILING RECEIPT MAILED

Oct 17, 2025

Code MAFR

SN ASSIGNED FOR SECT 66A APPL FROM IB

Oct 16, 2025

Code REPR

Other Marks by BLUESTAR SILICONES FRANCE SAS

Additional USPTO filings from the same owner.

BLU

BLUESIL

79083246

BLUESTAR SILICONES FRANCE SAS

REGISTERED

ADV

ADVANTEX

79062301

BLUESTAR SILICONES France SAS

ABANDONED

ADV

ADVANTEX

79022427

BLUESTAR SILICONES France SAS

ABANDONED

SIL

SILCOSET

72273281

BLUESTAR SILICONES FRANCE SAS

ABANDONED

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

Recently filed and registered marks in the same international class.

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Additional USPTO filings handled by the same attorney of record.

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SIRCLE

What to file next

Full Goods & Services

Filing Basis & Declarations

Other Marks by BLUESTAR SILICONES FRANCE SAS

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

Other Marks by Cathleen E. Stadecker

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