Who owns the SIGMA trademark?

The SIGMA trademark is owned by SigmaBrowser OÜ.

What class is the SIGMA trademark registered in?

The SIGMA trademark is registered in Class 038 (Telecommunications services).

What is the serial number for SIGMA?

The USPTO serial number for SIGMA is 79449438.

What is the registration number for SIGMA?

SIGMA is registered under USPTO registration number 0.

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Updated Oct 6, 2026·32 searches this week

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SIG

USPTO Trademark Record

PENDING

SIGMA

SN 79449438·Reg 0·Filed Dec 11, 2025

Owner SigmaBrowser OÜ

Telecommunications.

SIGMA (Serial No. 79449438), Registration No. 0, is a pending US trademark filed on Dec 11, 2025 by SigmaBrowser OÜ. This trademark covers Class 038 (Telecommunications services).

Office Action response: January 10, 202795 days remaining

Mark Intelligence

SIGMA (Reg. #0) is a pending US trademark that was filed in 2025 and is currently under USPTO examination. The mark covers Class 038 (Telecommunications services). Goods and services include Telecommunications..

FILED

Dec 11, 2025

SERIAL

79449438

REG#

Filing Information

StatusPENDING

Filing DateDec 11, 2025

Serial Number79449438

Registration No.0

Status DateJul 10, 2026

Mark TypeDesign with words