Who owns the HDOO trademark?

The HDOO trademark is owned by Shilei Luo.

What class is the HDOO trademark registered in?

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

What is the serial number for HDOO?

The USPTO serial number for HDOO is 99791987.

What is the registration number for HDOO?

HDOO is registered under USPTO registration number 0.

Sealvo

Home Search: HDOOHDOO #99791987

Back

Updated Oct 3, 2026·18 searches this week

View on USPTO TSDR Find similar marks

HDO

USPTO Trademark Record

PENDING

HDOO

SN 99791987·Reg 0·Filed Apr 28, 2026

Owner Shilei Luo

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.

HDOO (Serial No. 99791987), Registration No. 0, is a pending US trademark filed on Apr 28, 2026 by Shilei Luo. This trademark covers Class 005 (Pharmaceuticals, medical & veterinary preparations).

Conflict Analysis

Full conflict analysis for HDOO (SN 99791987) against the USPTO database with detailed risk factor explanations. AI-powered — takes ~1-2 min.

Mark Intelligence

HDOO (Reg. #0) is a pending US trademark that was filed in 2026 and is currently under USPTO examination. 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

Apr 28, 2026

SERIAL

99791987

REG#

REGISTERED

Dec 31, 1969

Filing Information

StatusPENDING

Filing DateApr 28, 2026

Serial Number99791987

Registration No.0