Soverain Software LLC was a Chicago-based company which owned patents for its ecommerce technology products.
In 2010, Soverain Software filed a suit against several e-commerce companies, including Nordstrom, Macy's, Home Depot, Radioshack, Kohl's and Newegg alleging infringement of U.S.
[13] Three amicus briefs were filed by i4i, Professor Eileen Herlihy and MDB Capital who supported Soverain's petition.
[15][16] On February 13, 2015, a U.S. Court of appeals invalidated Soverain's previous victories over Avon and Victoria's Secret.
[17] On March 30, 2015, US District Judge Leonard Davis declared invalid the last of Soverain's patents,[3] after which the company had no substantive assets.