\contentsline {section}{\numberline {1}Gefahren f\"ur Freie Software}{2}
\contentsline {subsection}{\numberline {1.1}Patente}{2}
\contentsline {subsubsection}{\numberline {1.1.1}Das europ\"aische Patentrecht}{2}
\contentsline {subsubsection}{\numberline {1.1.2}Patentpraxis in den U.S.A.}{3}