Who owns the DIFENCS trademark?

The DIFENCS trademark is owned by Lin Haifeng.

What class is the DIFENCS trademark registered in?

The DIFENCS trademark is registered in Class 006 (Common metals, their alloys & metal goods).

What is the serial number for DIFENCS?

The USPTO serial number for DIFENCS is 99490964.

What is the registration number for DIFENCS?

DIFENCS is registered under USPTO registration number 8302008.

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Updated Sep 27, 2026·39 searches this week

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DIF

USPTO Trademark Record

REGISTERED

DIFENCS

SN 99490964·Reg 8302008·Filed Nov 11, 2025

Owner Lin Haifeng

Common metals and their alloys, ores; metal materials for building and construction; transportable buildings of metal; non-electric cables and wires of common metal; small items of metal hardware; metal containers for storage or transport; safes.

DIFENCS (Serial No. 99490964), Registration No. 8302008, is a registered US trademark filed on Nov 11, 2025 by Lin Haifeng. This trademark covers Class 006 (Common metals, their alloys & metal goods).

early section 8: June 16, 2032

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Mark Intelligence

DIFENCS (Reg. #8302008) is a registered US trademark that has been protecting its owner, Lin Haifeng, since 2025. The mark covers Class 006 (Common metals, their alloys & metal goods). Goods and services include Common metals and their alloys, ores; metal materials for building and construction; transportable buildings of metal; n.... The mark faced 1 opposition proceeding during prosecution.

FILED

Nov 11, 2025

SERIAL

99490964

REG#

8302008

REGISTERED

Jun 16, 2026

Filing Information

StatusREGISTERED

Filing DateNov 11, 2025

Serial Number99490964