https://en.wikipedia.org/wiki/Seattle_Computer_Products
By 1985, however, SCP's business was having difficulty trying to compete with offshore products (Brock once said, "they were selling memory boards for less than his cost for parts"), and Brock decided to sell the company. The only major asset SCP had left was the license it received from Microsoft when it signed over ownership rights to 86-DOS. Brock planned to sell (via merger) the license to the highest bidder, with a company such as the Tandy Corporation in mind. After Microsoft objected to Brock's "exaggerated interpretation" of the agreement and informed Brock that his license was nontransferable, Brock sued for US$60 million. The ensuing lawsuit was highly technical and grew to fill hundreds of pages in the months leading up to trial. The trial began at the end of 1986 and lasted three weeks. An out-of-court settlement was reached while the jury was deliberating. Microsoft paid SCP US$925,000 and reclaimed its license for DOS.