\contentsline {section}{\numberline {1}Introduction}{3}
\contentsline {section}{\numberline {2}Existing Software Development Models}{3}
\contentsline {subsection}{\numberline {2.1}The Free Software Model}{3}
\contentsline {subsection}{\numberline {2.2}The Proprietary Software Model}{4}
\contentsline {section}{\numberline {3}What United States Law Says}{5}
\contentsline {section}{\numberline {4}Why Proprietary Software is Bad}{5}
\contentsline {subsection}{\numberline {4.1}Problems with Software Patents}{6}
\contentsline {subsubsection}{\numberline {4.1.1}Many software patents are for Obvious Work}{6}
\contentsline {subsubsection}{\numberline {4.1.2}Problems with Patent Searches}{6}
\contentsline {subsubsection}{\numberline {4.1.3}Problems with Patent Licensing}{7}
\contentsline {subsubsection}{\numberline {4.1.4}Software Patents last too Long}{7}
\contentsline {section}{\numberline {5}Why Proprietary Software Hasn't Hurt Us Yet}{7}
\contentsline {subsection}{\numberline {5.1}The LPF's View}{8}
\contentsline {subsection}{\numberline {5.2}Large Software Companies' View}{8}
\contentsline {subsection}{\numberline {5.3}Why Proprietary Software Will Begin to Hurt More}{9}
\contentsline {subsubsection}{\numberline {5.3.1}The Patent Flood is Increasing}{9}
\contentsline {subsubsection}{\numberline {5.3.2}The Stakes are Increasing}{9}
\contentsline {subsubsection}{\numberline {5.3.3}The Litigation is Increasing}{10}
\contentsline {subsubsection}{\numberline {5.3.4}The Scope of Software is Increasing}{10}
\contentsline {section}{\numberline {6}The Mixed Software Model}{10}
\contentsline {section}{\numberline {7}Conclusion}{12}