Who owns the SID-OS trademark?

The SID-OS trademark is owned by Ambibox GmbH.

What is the serial number for SID-OS?

The USPTO serial number for SID-OS is 79420258.

What is the registration number for SID-OS?

SID-OS is registered under USPTO registration number 8258223.

SID-OS - Owned by Ambibox GmbH - (Class 009, Class 042)

Q: What class is the SID-OS trademark registered in?

The SID-OS trademark is registered in Class 009 (Electronics, software & scientific instruments), Class 042 (Scientific, technology & SaaS services).

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 009Electronics, software & scientific instruments

US codes: 021, 023, 026, 036, 038

Scientific, research, navigation, surveying, photographic, cinematographic, audiovisual, optical, weighing, measuring, signalling, detecting, testing, inspecting, life-saving and teaching apparatus and instruments; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling the distribution or use of electricity; apparatus and instruments for recording, transmitting, reproducing or processing sound, images or data; recorded and downloadable multimedia files, computer software, blank digital or analogue recording and storage media; mechanisms for coin-operated apparatus; cash registers, calculating devices; computers and computer peripheral devices; diving suits, divers' masks, ear plugs for divers, nose clips for divers, gloves for divers, breathing apparatus for underwater swimming; fire-extinguishing apparatus.

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

Standard Characters ClaimedTrademark

Status History

31 events

NOTIFICATION OF POSSIBLE OPPOSITION - PROCESSED BY IB

Sep 10, 2026

Code OPNX

NOTIFICATION OF POSSIBLE OPPOSITION CREATED, TO BE SENT TO IB

Aug 26, 2026

Code OPNR

NOTIFICATION OF POSSIBLE OPPOSITION SENT TO IB

Aug 26, 2026

Code OPNS

FINAL DISPOSITION NOTICE CREATED, TO BE SENT TO IB

Aug 19, 2026

Code FICR

REGISTERED-PRINCIPAL REGISTER

May 19, 2026

Code R.PR

NOTICE OF REGISTRATION CONFIRMATION EMAILED

May 19, 2026

Code NRCC

NOTICE OF REGISTRATION CONFIRMATION EMAILED

May 19, 2026

Code NRCC

PUBLISHED FOR OPPOSITION

Mar 31, 2026

Code PUBO

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Mar 31, 2026

Code NPUB

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Mar 25, 2026

Code NONP

APPROVED FOR PUB - PRINCIPAL REGISTER

Mar 09, 2026

Code CNSA

PREVIOUS ALLOWANCE COUNT WITHDRAWN

Mar 05, 2026

Code ZZZX

EXAMINERS AMENDMENT -WRITTEN

Mar 05, 2026

Code CNEA

EXAMINERS AMENDMENT E-MAILED

Mar 05, 2026

Code GNEA

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

Mar 05, 2026

Code GNEN

EXAMINER'S AMENDMENT ENTERED

Mar 05, 2026

Code XAEC

WITHDRAWN FROM PUB - OG REVIEW QUERY

Feb 24, 2026

Code PBCR

APPROVED FOR PUB - PRINCIPAL REGISTER

Feb 09, 2026

Code CNSA

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Feb 06, 2026

Code TROA

CORRESPONDENCE RECEIVED IN LAW OFFICE

Feb 06, 2026

Code CRFA

TEAS/EMAIL CORRESPONDENCE ENTERED

Feb 06, 2026

Code TEME

REFUSAL PROCESSED BY IB

Aug 29, 2025

Code RFNT

REFUSAL PROCESSED BY MPU

Aug 14, 2025

Code RFRR

NON-FINAL ACTION MAILED - REFUSAL SENT TO IB

Aug 14, 2025

Code RFCS

NON-FINAL ACTION (IB REFUSAL) PREPARED FOR REVIEW

Jul 03, 2025

Code RFCR

NON-FINAL ACTION WRITTEN

Jul 02, 2025

Code CNRT

ASSIGNED TO EXAMINER

Jul 01, 2025

Code DOCK

NEW REPRESENTATIVE AT IB RECEIVED

May 16, 2025

Code NREP

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Mar 31, 2025

Code NWOS

APPLICATION FILING RECEIPT MAILED

Mar 31, 2025

Code MAFR

SN ASSIGNED FOR SECT 66A APPL FROM IB

Mar 27, 2025

Code REPR

Other Marks by Ambibox GmbH

Additional USPTO filings from the same owner.

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Ambibox GmbH

REGISTERED

AMB

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79390865

Ambibox GmbH

REGISTERED

AMB

AMBICHARGE

79390866

Ambibox GmbH

REGISTERED

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SID-OS

What to file next

Full Goods & Services

Filing Basis & Declarations

Other Marks by Ambibox GmbH

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