Who owns the ESTECAD BLOCK trademark?

The ESTECAD BLOCK trademark is owned by TOKUYAMA CORPORATION.

What class is the ESTECAD BLOCK trademark registered in?

The ESTECAD BLOCK trademark is registered in Class 005 (Pharmaceuticals, medical & veterinary preparations).

What is the serial number for ESTECAD BLOCK?

The USPTO serial number for ESTECAD BLOCK is 79434112.

What is the registration number for ESTECAD BLOCK?

ESTECAD BLOCK is registered under USPTO registration number 8309517.

EST

USPTO Trademark Record

REGISTERED

ESTECAD BLOCK

SN 79434112·Reg 8309517·Filed Aug 28, 2025

Owner TOKUYAMA CORPORATION

Pharmaceuticals, medical and veterinary preparations; sanitary preparations for medical purposes; dietetic food and substances adapted for medical or veterinary purposes, food for babies; dietary supplements for human beings and animals; adhesive plasters, materials for dressings; material for filling teeth, dental wax; disinfectants; preparations for destroying vermin; fungicides, herbicides.

ESTECAD BLOCK (Serial No. 79434112), Registration No. 8309517, is a registered US trademark filed on Aug 28, 2025 by TOKUYAMA CORPORATION. This trademark covers Class 005 (Pharmaceuticals, medical & veterinary preparations).

early section 8: June 23, 2032

Mark Intelligence

ESTECAD BLOCK (Reg. #8309517) is a registered US trademark that has been protecting its owner, TOKUYAMA CORPORATION, since 2025. The mark covers Class 005 (Pharmaceuticals, medical & veterinary preparations). Goods and services include Pharmaceuticals, medical and veterinary preparations; sanitary preparations for medical purposes; dietetic food and subs.... The mark faced 1 opposition proceeding during prosecution.

FILED

Aug 28, 2025

SERIAL

79434112

REG#

8309517

REGISTERED

Jun 23, 2026

Owner

Applicant

TOKUYAMA CORPORATION

Entity

Corporation

Address

1-1, Mikage-cho,, Shunan-shi YAMAGUCHI 745-8648

Country

Attorney

NameHoward W. Kline

Law firm

Howard W. Kline Nath, Goldberg & Meyer

Docket

64216T

Address

112 S. West Street, Alexandria, VA 22314, United States

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Filing Information

StatusREGISTERED

Filing DateAug 28, 2025

Serial Number79434112

Registration No.8309517

Registration DateJun 23, 2026

Status DateJun 23, 2026

Published for OppositionMay 05, 2026

Mark TypeStandard characters

Attorney Docket64216T

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 005Pharmaceuticals, medical & veterinary preparations

US codes: 005, 006, 018, 044, 046, 051, 052

This description is as filed with the USPTO and defines the scope of trademark protection.

Status History

19 events

REGISTERED-PRINCIPAL REGISTER

Jun 23, 2026

REGISTERED-PRINCIPAL REGISTER

NOTICE OF REGISTRATION CONFIRMATION EMAILED

Jun 23, 2026

NOTICE OF REGISTRATION CONFIRMATION EMAILED

PUBLISHED FOR OPPOSITION

May 05, 2026

PUBLISHED FOR OPPOSITION

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

May 05, 2026

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

Apr 29, 2026

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

APPROVED FOR PUB - PRINCIPAL REGISTER

Apr 07, 2026

APPROVED FOR PUB - PRINCIPAL REGISTER

TEAS RESPONSE TO OFFICE ACTION RECEIVED

Mar 16, 2026

TEAS RESPONSE TO OFFICE ACTION RECEIVED

CORRESPONDENCE RECEIVED IN LAW OFFICE

Mar 16, 2026

CORRESPONDENCE RECEIVED IN LAW OFFICE

TEAS/EMAIL CORRESPONDENCE ENTERED

Mar 16, 2026

TEAS/EMAIL CORRESPONDENCE ENTERED

REFUSAL PROCESSED BY IB

Feb 26, 2026

REFUSAL PROCESSED BY IB

REFUSAL PROCESSED BY MPU

Feb 11, 2026

REFUSAL PROCESSED BY MPU

NON-FINAL ACTION MAILED - REFUSAL SENT TO IB

Feb 11, 2026

NON-FINAL ACTION MAILED - REFUSAL SENT TO IB

NON-FINAL ACTION (IB REFUSAL) PREPARED FOR REVIEW

Jan 14, 2026

NON-FINAL ACTION (IB REFUSAL) PREPARED FOR REVIEW

ASSIGNED TO EXAMINER

Jan 13, 2026

ASSIGNED TO EXAMINER

NON-FINAL ACTION WRITTEN

Jan 13, 2026

NON-FINAL ACTION WRITTEN

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

Nov 04, 2025

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

APPLICATION FILING RECEIPT MAILED

Nov 04, 2025

APPLICATION FILING RECEIPT MAILED

LIMITATION FROM ORIGINAL APPLICATION ENTERED

Oct 30, 2025

LIMITATION FROM ORIGINAL APPLICATION ENTERED

SN ASSIGNED FOR SECT 66A APPL FROM IB

Oct 09, 2025

SN ASSIGNED FOR SECT 66A APPL FROM IB

ESTECAD BLOCK

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Other Marks by TOKUYAMA CORPORATION

Other Marks in Class 005 — Pharmaceuticals, medical & veterinary preparations

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