Who owns the HIEREIN trademark?

The HIEREIN trademark is owned by Xingyu GUO.

What class is the HIEREIN trademark registered in?

The HIEREIN trademark is registered in Class 016 (Paper goods, books & stationery).

What is the serial number for HIEREIN?

The USPTO serial number for HIEREIN is 99366391.

What is the registration number for HIEREIN?

HIEREIN is registered under USPTO registration number 8203562.

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Updated Oct 5, 2026·14 searches this week

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USPTO Trademark Record

REGISTERED

HIEREIN

SN 99366391·Reg 8203562·Filed Aug 29, 2025

Owner Xingyu GUO

Paper and cardboard; printed matter; bookbinding material; photographs; stationery and office requisites, except furniture; adhesives for stationery or household purposes; drawing materials and materials for artists; paintbrushes; instructional and teaching materials; plastic sheets, films and bags for wrapping and packaging; printers' type, printing blocks.

HIEREIN (Serial No. 99366391), Registration No. 8203562, is a registered US trademark filed on Aug 29, 2025 by Xingyu GUO. This trademark covers Class 016 (Paper goods, books & stationery).

early section 8: April 07, 2032

Mark Intelligence

HIEREIN (Reg. #8203562) is a registered US trademark that has been protecting its owner, Xingyu GUO, since 2025. The mark covers Class 016 (Paper goods, books & stationery). Goods and services include Paper and cardboard; printed matter; bookbinding material; photographs; stationery and office requisites, except furnitu.... The mark faced 1 opposition proceeding during prosecution.

FILED

Aug 29, 2025

SERIAL

99366391

REG#

8203562

REGISTERED

Apr 07, 2026

Filing Information

StatusREGISTERED

Filing DateAug 29, 2025

Serial Number99366391