Who owns the KX trademark?

The KX trademark is owned by Kx Systems, Inc..

What class is the KX trademark registered in?

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

What is the serial number for KX?

The USPTO serial number for KX is 79449842.

What is the registration number for KX?

KX is registered under USPTO registration number 0.

KX

PENDING

Serial: 79449842
Reg: 0
Filed: Mar 27, 2026
Owner: Kx Systems, Inc.

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.; 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.

What to file next

Response to the outstanding office action

When: Three months from the issue date for most applications filed on or after 3 December 2022, extendable once by three months for a fee.
Extensions and grace: A Madrid Section 66(a) application keeps a six-month response period instead, with no extension available.
If it is missed: The application goes abandoned. A petition to revive runs two months from the notice of abandonment, on an unintentional-delay standard.

Office action response deadlines

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

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

8 events

NON-FINAL ACTION MAILED - REFUSAL SENT TO IB

Oct 27, 2026

Code RFCS

REFUSAL PROCESSED BY MPU

Oct 20, 2026

Code RFRR

NON-FINAL ACTION (IB REFUSAL) PREPARED FOR REVIEW

Aug 13, 2026

Code RFCR

NON-FINAL ACTION WRITTEN

Aug 12, 2026

Code CNRT

ASSIGNED TO EXAMINER

Jun 25, 2026

Code DOCK

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Jun 04, 2026

Code NWOS

APPLICATION FILING RECEIPT MAILED

Jun 04, 2026

Code MAFR

SN ASSIGNED FOR SECT 66A APPL FROM IB

May 14, 2026

Code REPR

What usually happens from here

Of the 8,668 marks on the USPTO register that reached non-final action mailed - refusal sent to ib:

Registered45% (3,900)

Abandoned50% (4,356)

Still pending5% (412)

Historical frequencies across the whole register, not a prediction about this mark. The outcome of any one application depends on what is filed and when.

Other Marks by Kx Systems, Inc.

Additional USPTO filings from the same owner.

KDB

KDB+

76510594

Kx Systems, Inc.

REGISTERED

76510599

Kx Systems, Inc.

REGISTERED

KDB

KDB-X

79446934

KX Systems, Inc.

PENDING

SUR

SURVIVAL OF THE FASTEST

79430085

KX Systems, Inc.

ABANDONED

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KX

What to file next

Full Goods & Services

Filing Basis & Declarations

What usually happens from here

Other Marks by Kx Systems, Inc.

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

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