LSI is launching a new closing service based on a patent pending process that it hopes to keep secret at least for a little while, said company president Ron Frazier in an interview with IMT. The company’s Web-based Closing Stream product finished an extensive pilot recently with lenders, including ING Direct, and the closing service system is now being heavily marketed. LSI, a Fidelity National Financial subsidiary, was spurred to develop the product after clients…