Who owns the MAINSEA trademark?

The MAINSEA trademark is owned by Yankang Wang.

What class is the MAINSEA trademark registered in?

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

What is the serial number for MAINSEA?

The USPTO serial number for MAINSEA is 99440475.

What is the registration number for MAINSEA?

MAINSEA is registered under USPTO registration number 8222747.

Sealvo

Home Search: MAINSEAMAINSEA #99440475

Back

Updated Oct 5, 2026·38 searches this week

View on USPTO TSDR Find similar marks

MAI

USPTO Trademark Record

REGISTERED

MAINSEA

SN 99440475·Reg 8222747·Filed Oct 13, 2025

Owner Yankang Wang

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.

MAINSEA (Serial No. 99440475), Registration No. 8222747, is a registered US trademark filed on Oct 13, 2025 by Yankang Wang. This trademark covers Class 005 (Pharmaceuticals, medical & veterinary preparations).

early section 8: April 21, 2032

Mark Intelligence

MAINSEA (Reg. #8222747) is a registered US trademark that has been protecting its owner, Yankang Wang, 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

Oct 13, 2025

SERIAL

99440475

REG#

8222747

REGISTERED

Apr 21, 2026

Filing Information

StatusREGISTERED

Filing DateOct 13, 2025

Serial Number99440475