Who owns the SKLEARN trademark?

The SKLEARN trademark is owned by INSTITUT NATIONAL DE RECHERCHE EN INFORMATIQUE ET.

What is the serial number for SKLEARN?

The USPTO serial number for SKLEARN is 79428976.

What is the registration number for SKLEARN?

SKLEARN is registered under USPTO registration number 8528030.

SKL

SKLEARN

Q: What class is the SKLEARN trademark registered in?

The SKLEARN trademark is registered in Class 009 (Electronics, software & scientific instruments), Class 035 (Advertising, business management & retail services), Class 038 (Telecommunications services), Class 042 (Scientific, technology & SaaS services).

REGISTERED

Serial: 79428976
Reg: 8528030
Filed: Mar 20, 2025
Owner: INSTITUT NATIONAL DE RECHERCHE EN INFORMATIQUE ET

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.; Advertising; business management, organization and administration; office functions.; Telecommunications.; 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

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

Class 035Advertising, business management & retail services

US codes: 100, 101, 102

Advertising; business management, organization and administration; office functions.

Class 038Telecommunications services

US codes: 100, 101, 104

Telecommunications.

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

17 events

REGISTERED-PRINCIPAL REGISTER

Nov 03, 2026

Code R.PR

PUBLISHED FOR OPPOSITION

Sep 15, 2026

Code PUBO

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Sep 15, 2026

Code NPUB

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Sep 09, 2026

Code NONP

APPROVED FOR PUB - PRINCIPAL REGISTER

Aug 19, 2026

Code CNSA

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Apr 03, 2026

Code TROA

CORRESPONDENCE RECEIVED IN LAW OFFICE

Apr 03, 2026

Code CRFA

TEAS/EMAIL CORRESPONDENCE ENTERED

Apr 03, 2026

Code TEME

REFUSAL PROCESSED BY IB

Oct 24, 2025

Code RFNT

REFUSAL PROCESSED BY MPU

Oct 07, 2025

Code RFRR

NON-FINAL ACTION MAILED - REFUSAL SENT TO IB

Oct 07, 2025

Code RFCS

NON-FINAL ACTION (IB REFUSAL) PREPARED FOR REVIEW

Aug 23, 2025

Code RFCR

NON-FINAL ACTION WRITTEN

Aug 22, 2025

Code CNRT

ASSIGNED TO EXAMINER

Aug 19, 2025

Code DOCK

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Aug 01, 2025

Code NWOS

APPLICATION FILING RECEIPT MAILED

Aug 01, 2025

Code MAFR

SN ASSIGNED FOR SECT 66A APPL FROM IB

Jul 31, 2025

Code REPR

Other Marks by Dennis S. Prahl

Additional USPTO filings handled by the same attorney of record.

PIT

PITTSBURGH PAINTS & STAINS

98758575

REGISTERED

ELB

EL BAR

98841967

REGISTERED

AMA

AMASS3D

99189413

REGISTERED

DRD

DR DENNIS GROSS

86432104

REGISTERED

SKLEARN

What to file next

Full Goods & Services

Filing Basis & Declarations

Other Marks by Dennis S. Prahl

Get pre-filing clearance

Search 14M+ trademarks

Run a conflict check

Industries

USPTO Deadlines

Compare

Resources

Company

Exceptions