diff --git a/src/de/dhbwstuttgart/strucTypes/Solve.java b/src/de/dhbwstuttgart/strucTypes/Solve.java
index bc0b11d8..232b53ec 100644
--- a/src/de/dhbwstuttgart/strucTypes/Solve.java
+++ b/src/de/dhbwstuttgart/strucTypes/Solve.java
@@ -14,6 +14,7 @@ import de.dhbwstuttgart.strucTypes.classorinterface.ClassOrInterfaceWithConstrai
 import de.dhbwstuttgart.strucTypes.constraint.SubTypeConstraint;
 import de.dhbwstuttgart.strucTypes.exception.InconsistentConstraintsException;
 import de.dhbwstuttgart.strucTypes.visitor.InferTypes;
+import de.dhbwstuttgart.strucTypes.visitor.TypeExtract;
 import de.dhbwstuttgart.strucTypes.visitor.TypeVar;
 import de.dhbwstuttgart.syntaxtree.ClassOrInterface;
 import de.dhbwstuttgart.syntaxtree.GenericDeclarationList;
@@ -61,21 +62,22 @@ public class Solve {
 				subst.stream().filter(p -> PairOperator.SMALLERDOT.equals(p.getPairOp())).collect(Collectors.toSet()),
 				tphs);
 
-		// TODO Tnew
 		List<GenericTypeVar> values = new ArrayList<>();
 		// extract typeplaceholder (type variables) of clsA
 		TypeVar typeVar = new TypeVar(inferredTypes);
 		clsA.accept(typeVar);
 		final ArrayList<RefTypeOrTPHOrWildcardOrGeneric> bounds = new ArrayList<>();
 		final NullToken offset = new NullToken();
-		// add type variables of clsA as GenericTypeVar to values of GenericDeclarationList
+		// add type variables of clsA as GenericTypeVar to values of
+		// tNew
 		typeVar.getTypeVars().stream().map(tph -> new GenericTypeVar(tph.getName(), bounds, offset, offset))
 				.forEach(gtv -> {
 					if (values.stream().map(GenericTypeVar::getName).noneMatch(gtv.getName()::equals)) {
 						values.add(gtv);
 					};
 				});
-		// add type variables of cs as GenericRefType to values of GenericDeclarationList
+		// add type variables of cs as GenericRefType to values of
+		// tNew
 		cs.stream().flatMap(c -> Stream.of(c.getSubtype(), c.getSupertype())).filter(t -> t instanceof TypePlaceholder)
 				.map(tph -> new GenericTypeVar(((TypePlaceholder) tph).getName(), bounds, offset, offset))
 				.forEach(gtv -> {
@@ -83,7 +85,15 @@ public class Solve {
 						values.add(gtv);
 					};
 				});
-		// TODO typevar(superclass)
+		// add generics of all superclasses and superinterfaces of clsA to
+		// values of tNew
+		TypeExtract typeExtract = new TypeExtract();
+		clsA.accept(typeExtract);
+		typeExtract.getGenerics().forEach(gtv -> {
+			if (values.stream().map(GenericTypeVar::getName).noneMatch(gtv.getName()::equals)) {
+				values.add(gtv);
+			};
+		});
 		GenericDeclarationList tNew = new GenericDeclarationList(values, offset);
 
 		if (!consistent(cs)) {
diff --git a/src/de/dhbwstuttgart/strucTypes/visitor/InferTypes.java b/src/de/dhbwstuttgart/strucTypes/visitor/InferTypes.java
index 1def5716..bdfa69ad 100644
--- a/src/de/dhbwstuttgart/strucTypes/visitor/InferTypes.java
+++ b/src/de/dhbwstuttgart/strucTypes/visitor/InferTypes.java
@@ -189,7 +189,6 @@ public class InferTypes implements ASTReturnVisitor {
 
 	@Override
 	public RefTypeOrTPHOrWildcardOrGeneric visit(TypePlaceholder typePlaceholder) {
-
 		RefTypeOrTPHOrWildcardOrGeneric inferredType = inferredTypes.infer(typePlaceholder);
 		if (inferredType instanceof TypePlaceholder) {
 			TypePlaceholder inferredTypeTPH = (TypePlaceholder) inferredType;
@@ -334,6 +333,7 @@ public class InferTypes implements ASTReturnVisitor {
 
 	@Override
 	public This visit(This aThis) {
+		// als Typ wird immer ein neuer TypePlaceholder zugeordnet.
 		return aThis;
 	}
 
diff --git a/src/de/dhbwstuttgart/strucTypes/visitor/TypeExtract.java b/src/de/dhbwstuttgart/strucTypes/visitor/TypeExtract.java
index e8246644..7df4d76e 100644
--- a/src/de/dhbwstuttgart/strucTypes/visitor/TypeExtract.java
+++ b/src/de/dhbwstuttgart/strucTypes/visitor/TypeExtract.java
@@ -9,6 +9,8 @@ import de.dhbwstuttgart.strucTypes.classorinterface.ClassOrInterfaceFactory;
 import de.dhbwstuttgart.syntaxtree.ClassOrInterface;
 import de.dhbwstuttgart.syntaxtree.Constructor;
 import de.dhbwstuttgart.syntaxtree.Field;
+import de.dhbwstuttgart.syntaxtree.GenericDeclarationList;
+import de.dhbwstuttgart.syntaxtree.GenericTypeVar;
 import de.dhbwstuttgart.syntaxtree.Method;
 import de.dhbwstuttgart.syntaxtree.type.RefType;
 import de.dhbwstuttgart.syntaxtree.type.TypePlaceholder;
@@ -25,6 +27,7 @@ public class TypeExtract extends DefaultASTVisitor {
 	private List<Field> fields = new ArrayList<>();
 	private List<Method> methods = new ArrayList<>();
 	private List<Constructor> constructors = new ArrayList<>();
+	private List<GenericTypeVar> generics = new ArrayList<>();
 	private boolean typeVariable = false;
 	private boolean initialClass = true;
 
@@ -40,6 +43,10 @@ public class TypeExtract extends DefaultASTVisitor {
 		return constructors;
 	}
 
+	public List<GenericTypeVar> getGenerics() {
+		return generics;
+	}
+
 	public Optional<Field> getField(String fieldName) {
 		return this.fields.stream().filter(f -> f.getName().equals(fieldName))
 				// keine statische Polymorphie zugelassen
@@ -66,6 +73,7 @@ public class TypeExtract extends DefaultASTVisitor {
 			if (c != null && this.initialClass)
 				c.accept(this);
 		});
+		classOrInterface.getGenerics().accept(this);
 		this.initialClass = false;
 		// superClass(Object) -> Object => unendliche Rekursionstiefe!
 		if (!classOrInterface.getClassName().equals(new JavaClassName("java.lang.Object"))) {
@@ -82,12 +90,12 @@ public class TypeExtract extends DefaultASTVisitor {
 
 	@Override
 	public void visit(Field field) {
-			this.fields.add(field);
+		this.fields.add(field);
 	}
 
 	@Override
 	public void visit(Method method) {
-			this.methods.add(method);
+		this.methods.add(method);
 	}
 
 	@Override
@@ -100,4 +108,15 @@ public class TypeExtract extends DefaultASTVisitor {
 		this.constructors.add(constructor);
 	}
 
+	@Override
+	public void visit(GenericDeclarationList genericTypeVars) {
+		genericTypeVars.forEach(gtv -> gtv.accept(this));
+	}
+
+	@Override
+	public void visit(GenericTypeVar genericTypeVar) {
+		if (!this.generics.contains(genericTypeVar)) {
+			this.generics.add(genericTypeVar);
+		}
+	}
 }
diff --git a/test/strucType/TestSolve.java b/test/strucType/TestSolve.java
index 844a2fd3..72882043 100644
--- a/test/strucType/TestSolve.java
+++ b/test/strucType/TestSolve.java
@@ -73,8 +73,8 @@ public class TestSolve {
 			// Alle Klassen aus allen SourceFiles
 			List<ClassOrInterface> availableClasses = compiler.getAvailableClasses(sourceFile);
 			FiniteClosure finiteClosure = UnifyTypeFactory.generateFC(availableClasses);
-			System.out.println("\nFinite Closure:");
-			System.out.println(finiteClosure);
+//			System.out.println("\nFinite Closure:");
+//			System.out.println(finiteClosure);
 			Solve solve = new Solve(subTypeConstraints, sourceFile.getClasses().get(0), finiteClosure, inferredTypesConstruct);
 			ClassOrInterfaceWithConstraints solvedClass = solve.getSolvedClass();
 			System.out.println("\nSolved Class:");