\usetikzlibrary{shapes.geometric,positioning}




\begin{tikzpicture}[thick,
	st/.style={
		rectangle,
		rounded corners,
		fill=green!10,
		draw=green
	},
	io/.style={
		trapezium,
		trapezium left angle=70,
		trapezium right angle=110,
		fill=magenta!10,
		draw=magenta
	},
	op/.style={
		rectangle,
		fill=orange!10,
		draw=orange	
	},
	cn/.style={
		diamond,
		aspect=2,
		inner sep=2pt,
		fill=red!10,
		draw=red,
		text width=1.5cm
	},
	node distance=7mm,
]

%\clip<2>(0,0)rectangle(\textwidth,-\textheight);
%\clip<3>(\textwidth,0)rectangle(2\textwidth,-\textheight);


\node [st]  (we) {Werk};
\node [cn, below =of we] (wt) {Werk teilen?};
\node [cn, right =of wt] (na) {Namensnenung};
\node [cn,below= of na]  (wb_03) {bearbeiten};
\node [op,below= of wb_03]  (cc0) {CC-0};
\node [cn, right= of na]  (wb_01) {bearbeiten};
\node [cn, right= of wb_01]  (sa) {share alike};
\node [cn, below= of sa]  (wk_03) {kommerziell};
\node [op, below= of wk_03]  (by-sa-nc) {CC-BY-SA-NC};
\node [op, right= of wk_03]  (by-sa) {CC-BY-SA};
\node [cn, above= of wb_01]  (wk_02) {kommerziell};
\node [op, above = of wk_02]  (nc-nd) {CC-BY-NC-ND};
\node [op, right= of wk_02]  (nd) {CC-BY-ND};

% Abzweigung von Wekt teilen (wt)
\node [op, below =of wt] (no_cc) {keine CC};

\path [->] 
	(we) edge (wt)
	(wt) edge node [above] {ja} (na)
	(na) edge node [above] {ja} (wb_01)
	(na) edge node [right] {nein} (wb_03)
	(wb_03) edge  node [right] {ja}  (cc0)
	(wb_01) edge node [above] {ja} (sa)
	(wb_01) edge node [left] {nein} (wk_02)
	(sa) edge node [right] {ja} (wk_03)
	(wk_03) edge node [right] {nein} (by-sa-nc)
	(wk_03) edge node [above] {ja} (by-sa)
	(wk_02) edge node [right] {nein} (nc-nd)
	(wk_02) edge node [above] {ja} (nd);


\draw[->]
		(wt) edge node [right] {nein}  (no_cc);

\draw[<-]
		(no_cc)|- node [below] {nein}  (wb_03);

\end{tikzpicture}