Private company

Soverain Software

Commerce technology company

Soverain Software LLC was a Chicago-based company which owned patents for its ecommerce technology products. The company held patents for digital shopping carts commonly used on e-commerce websites, such as Amazon.com and collected royalties on these patents, but ultimately their patents were invalidated.2 Wikipedia text CC BY-SA 4.0

Last updated Oct 21, 2026.

Overview

Soverain Software LLC was a Chicago-based company which owned patents for its ecommerce technology products. The company held patents for digital shopping carts commonly used on e-commerce websites, such as Amazon.com and collected royalties on these patents, but ultimately their patents were invalidated.2

Sources

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