Who owns the SANKAKU trademark?

The SANKAKU trademark is owned by Complex Contents Ltd..

What is the serial number for SANKAKU?

The USPTO serial number for SANKAKU is 99096535.

What is the registration number for SANKAKU?

SANKAKU is registered under USPTO registration number 8047469.

SAN

USPTO Trademark Record

REGISTERED

SANKAKU

Q: What class is the SANKAKU trademark registered in?

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

SN 99096535·Reg 8047469·Filed Mar 21, 2025

Owner Complex Contents Ltd.

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.

SANKAKU (Serial No. 99096535), Registration No. 8047469, is a registered US trademark filed on Mar 21, 2025 by Complex Contents Ltd.. This trademark covers Class 009 (Electronics, software & scientific instruments), Class 042 (Scientific, technology & SaaS services).

early section 8: December 02, 2031

Mark Intelligence

SANKAKU (Reg. #8047469) is a registered US trademark that has been protecting its owner, Complex Contents Ltd., since 2025. The mark covers Class 009 (Electronics, software & scientific instruments) and Class 042 (Scientific, technology & SaaS services) respectively. Goods and services include Scientific, research, navigation, surveying, photographic, cinematographic, audiovisual, optical, weighing, measuring, s.... The mark faced 1 opposition proceeding during prosecution.

FILED

Mar 21, 2025

SERIAL

99096535

REG#

8047469

REGISTERED

Dec 02, 2025

Owner

Applicant

Complex Contents Ltd.

Entity

LLC

Address

65 Shipchenski Prohod Str - #218, Sofia City, 1574

Country

Attorney

NameJames Smedley

Law firm

James Smedley Fox Rothschild LLP

Docket

378451.00001

Address

212 Carnegie Center, Suite 400, Princeton, NJ 08540, United States

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Filing Information

StatusREGISTERED

Filing DateMar 21, 2025

Serial Number99096535

Registration No.8047469

Registration DateDec 02, 2025

Status DateDec 02, 2025

Published for OppositionOct 14, 2025

Mark TypeStandard characters

Attorney Docket378451.00001

Status DescriptionLive and registered

Filing Signals

FILED

2025

YEARS AGO

CLASSES

MADRID FILINGS

—

Opposed 1× during prosecution

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Full Goods & Services

CLASSES

OFFICE

USPTO

COUNTRY

Class 009Electronics, software & scientific instruments

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

First use anywhere: Nov 30, 2015

First use in commerce: Nov 30, 2015

Class 042Scientific, technology & SaaS services

US codes: 100, 101

First use anywhere: Nov 30, 2007

First use in commerce: Nov 30, 2007

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.

Status History

16 events

REGISTERED-PRINCIPAL REGISTER

Dec 02, 2025

REGISTERED-PRINCIPAL REGISTER

NOTICE OF REGISTRATION CONFIRMATION EMAILED

Dec 02, 2025

NOTICE OF REGISTRATION CONFIRMATION EMAILED

PUBLISHED FOR OPPOSITION

Oct 14, 2025

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

Oct 14, 2025

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Oct 08, 2025

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

APPROVED FOR PUB - PRINCIPAL REGISTER

Sep 16, 2025

APPROVED FOR PUB - PRINCIPAL REGISTER

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Sep 15, 2025

TEAS RESPONSE TO OFFICE ACTION RECEIVED

CORRESPONDENCE RECEIVED IN LAW OFFICE

Sep 15, 2025

CORRESPONDENCE RECEIVED IN LAW OFFICE

TEAS/EMAIL CORRESPONDENCE ENTERED

Sep 15, 2025

TEAS/EMAIL CORRESPONDENCE ENTERED

NON-FINAL ACTION WRITTEN

Aug 27, 2025

NON-FINAL ACTION WRITTEN

NON-FINAL ACTION E-MAILED

Aug 27, 2025

NON-FINAL ACTION E-MAILED

NOTIFICATION OF NON-FINAL ACTION E-MAILED

Aug 27, 2025

NOTIFICATION OF NON-FINAL ACTION E-MAILED

ASSIGNED TO EXAMINER

Aug 20, 2025

ASSIGNED TO EXAMINER

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Jul 10, 2025

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

NEW APPLICATION ENTERED

Mar 21, 2025

NEW APPLICATION ENTERED

APPLICATION FILING RECEIPT MAILED

Mar 21, 2025

APPLICATION FILING RECEIPT MAILED

SANKAKU

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