Who owns the TWOPEN trademark?

The TWOPEN trademark is owned by Jianjian Hu.

What class is the TWOPEN trademark registered in?

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

What is the serial number for TWOPEN?

The USPTO serial number for TWOPEN is 99618727.

What is the registration number for TWOPEN?

TWOPEN is registered under USPTO registration number 8391141.

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Updated Oct 7, 2026·42 searches this week

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USPTO Trademark Record

REGISTERED

TWOPEN

SN 99618727·Reg 8391141·Filed Jan 27, 2026

Owner Jianjian Hu

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.

TWOPEN (Serial No. 99618727), Registration No. 8391141, is a registered US trademark filed on Jan 27, 2026 by Jianjian Hu. This trademark covers Class 005 (Pharmaceuticals, medical & veterinary preparations).

early section 8: August 11, 2032

Mark Intelligence

TWOPEN (Reg. #8391141) is a registered US trademark that has been protecting its owner, Jianjian Hu, since 2026. 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

Jan 27, 2026

SERIAL

99618727

REG#

8391141

REGISTERED

Aug 11, 2026

Filing Information

StatusREGISTERED

Filing DateJan 27, 2026

Serial Number99618727