Answer:
Seal Polymer Industries (SPI) can sue Med-Express in an Illinois court due to the minimum contacts doctrine. This is an actual court case that the North Carolina Court of Appeals ruled in favor of SPI. The minimum contacts rule states that in order for a business to be sued in another jurisdiction it must have maintained minimum contacts with residents of that state. Minimum contacts may include making business with individuals or companies that reside in the other state, visiting the other state or incorporating in the other state. In this case, Med-Express made business with SPI, and SPI is a resident of Illinois.