The Allstate Corporation

The Allstate Corporation is a large American insurance company founded in 1931 as part of Sears, Roebuck and Co. Headquartered in Northbrook, Illinois, Allstate became a fully independent, publicly traded company in 1995 and is listed on the New York Stock Exchange under the ticker ALL. As one of the largest personal lines insurers in the United States, the company employs approximately 55,000 people. For the full year 2025, Allstate reported total revenues of approximately $67.7 billion.

Allstate is an operating company that provides a wide range of insurance and financial products to millions of households. Its primary offerings are in property and casualty insurance, which include automobile, homeowners, renters, and commercial insurance policies. The company also provides life insurance and retirement and investment products. Allstate markets its products through a multi-brand strategy that includes Allstate, National General, and Encompass, utilizing a network of agents as well as direct-to-consumer online channels.

The company's patent litigation posture is that of an operating company defending its products and services. The provided data shows Allstate as a defendant in one tracked case and not as a plaintiff in any. This defensive stance is typical for a large corporation that becomes a target for patent assertion entities. The single tracked case was filed in the Northern District of Illinois, the company's home jurisdiction.

The tracked case is Disintermedation Services Inc. v. The Allstate Corporation, filed in 2022. While not a frequent district court litigant based on the provided data, Allstate actively manages intellectual property matters, having previously settled patent litigation with competitor Progressive over usage-based insurance technology and participated in inter partes review proceedings before the U.S. Patent and Trademark Office.