The U.S. Supreme Court will be hearing oral arguments on Bilski vs. Kappos on Monday, November 9th. Not surprisingly, many open source advocates are on the edge of their seats because it's an opportunity for the Supreme Court to decide that software is not patentable. Confused about the details? As part of its mission to advance Free, Libre, and Open Source Software (FLOSS) through law-related services, the Software Freedom Law Center (SFLC) has provided a backgrounder with information on briefs filed by parties of interest to the FLOSS community.