Who owns the OI trademark?

The OI trademark is owned by Oxford Ionics Limited.

What class is the OI trademark registered in?

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

What is the serial number for OI?

The USPTO serial number for OI is 98864199.

What is the registration number for OI?

OI is registered under USPTO registration number 8123293.

OI - Owned by Oxford Ionics Limited - (Class 009, Class 042)

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

Trademark

Status History

22 events

REGISTERED-PRINCIPAL REGISTER

Feb 03, 2026

Code R.PR

NOTICE OF REGISTRATION CONFIRMATION EMAILED

Feb 03, 2026

Code NRCC

PUBLISHED FOR OPPOSITION

Dec 16, 2025

Code PUBO

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Dec 16, 2025

Code NPUB

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Dec 10, 2025

Code NONP

EXAMINERS AMENDMENT -WRITTEN

Nov 20, 2025

Code CNEA

EXAMINERS AMENDMENT E-MAILED

Nov 20, 2025

Code GNEA

NOTIFICATION OF EXAMINERS AMENDMENT E-MAILED

Nov 20, 2025

Code GNEN

EXAMINER'S AMENDMENT ENTERED

Nov 20, 2025

Code XAEC

APPROVED FOR PUB - PRINCIPAL REGISTER

Nov 20, 2025

Code CNSA

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Nov 14, 2025

Code TROA

CORRESPONDENCE RECEIVED IN LAW OFFICE

Nov 14, 2025

Code CRFA

TEAS/EMAIL CORRESPONDENCE ENTERED

Nov 14, 2025

Code TEME

APPLICATION EXTENSION TO RESPONSE PERIOD - RECEIVED

Jul 24, 2025

Code XELR

APPLICATION EXTENSION GRANTED/RECEIPT PROVIDED

Jul 24, 2025

Code XELG

NON-FINAL ACTION WRITTEN

May 21, 2025

Code CNRT

NON-FINAL ACTION E-MAILED

May 21, 2025

Code GNRT

NOTIFICATION OF NON-FINAL ACTION E-MAILED

May 21, 2025

Code GNRN

ASSIGNED TO EXAMINER

May 13, 2025

Code DOCK

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

May 12, 2025

Code NWOS

NOTICE OF DESIGN SEARCH CODE E-MAILED

May 12, 2025

Code MDSM

NEW APPLICATION ENTERED

Nov 20, 2024

Code NWAP

Other Marks by Oxford Ionics Limited

Additional USPTO filings from the same owner.

OXF

OXFORD IONICS

98861212

Oxford Ionics Limited

REGISTERED

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OI

What to file next

Full Goods & Services

Filing Basis & Declarations

Other Marks by Oxford Ionics Limited

Other Marks in Class 009 — Electronics, software & scientific instruments

Other Marks by Melissa A. Nowak

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