Who owns the LAMBDA trademark?

The LAMBDA trademark is owned by Sirius Group LLC.

What class is the LAMBDA trademark registered in?

The LAMBDA trademark is registered in Class 001 (Chemicals for industrial, scientific & agricultural use).

What is the serial number for LAMBDA?

The USPTO serial number for LAMBDA is 99105235.

What is the registration number for LAMBDA?

LAMBDA is registered under USPTO registration number 8047550.

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Updated Oct 23, 2026·11 searches this week

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LAM

USPTO Trademark Record

REGISTERED

LAMBDA

SN 99105235·Reg 8047550·Filed Mar 26, 2025

Owner Sirius Group LLC

Chemicals for use in industry, science and photography, as well as in agriculture, horticulture and forestry; unprocessed artificial resins, unprocessed plastics; fire extinguishing and fire prevention compositions; tempering and soldering preparations; substances for tanning animal skins and hides; adhesives for use in industry; compost, manures, fertilizers; biological preparations for use in industry and science.

LAMBDA (Serial No. 99105235), Registration No. 8047550, is a registered US trademark filed on Mar 26, 2025 by Sirius Group LLC. This trademark covers Class 001 (Chemicals for industrial, scientific & agricultural use).

early section 8: December 02, 2031

Mark Intelligence

LAMBDA (Reg. #8047550) is a registered US trademark that has been protecting its owner, Sirius Group LLC, since 2025. The mark covers Class 001 (Chemicals for industrial, scientific & agricultural use). Goods and services include Chemicals for use in industry, science and photography, as well as in agriculture, horticulture and forestry; unprocesse.... The mark faced 1 opposition proceeding during prosecution.

FILED

Mar 26, 2025

SERIAL

99105235

REG#

8047550

REGISTERED

Dec 02, 2025

Filing Information

StatusREGISTERED

Filing DateMar 26, 2025

Serial Number99105235