diff --git a/CCIProvider/TypeExtractor.cs b/CCIProvider/TypeExtractor.cs
index 19e64dda..42b48f49 100644
--- a/CCIProvider/TypeExtractor.cs
+++ b/CCIProvider/TypeExtractor.cs
@@ -66,6 +66,8 @@ public TypeDefinition ExtractEnum(Cci.INamedTypeDefinition typedef)
 			type.UnderlayingType = ExtractType(typedef.UnderlyingType) as IBasicType;
 			ExtractAttributes(type.Attributes, typedef.Attributes);
 			ExtractConstants(type, type.Fields, typedef.Fields);
+			type.IsSealed = typedef.IsSealed;
+			type.IsAbstract = typedef.IsAbstract;
 
 			return type;
 		}
@@ -79,6 +81,8 @@ public TypeDefinition ExtractInterface(Cci.INamedTypeDefinition typedef, Cci.ISo
 			ExtractGenericTypeParameters(type, typedef);
 			ExtractInterfaces(type.Interfaces, typedef.Interfaces);
 			ExtractMethods(type, type.Methods, typedef.Methods, sourceLocationProvider);
+			type.IsSealed = typedef.IsSealed;
+			type.IsAbstract = typedef.IsAbstract;
 
 			defGenericContext.TypeParameters.Clear();
 			return type;
@@ -107,6 +111,8 @@ public TypeDefinition ExtractClass(Cci.INamedTypeDefinition typedef, Cci.ISource
 			ExtractInterfaces(type.Interfaces, typedef.Interfaces);
 			ExtractFields(type, type.Fields, typedef.Fields);
 			ExtractMethods(type, type.Methods, typedef.Methods, sourceLocationProvider);
+			type.IsSealed = typedef.IsSealed;
+			type.IsAbstract = typedef.IsAbstract;
 
 			defGenericContext.TypeParameters.Clear();
 			return type;
@@ -122,6 +128,8 @@ public TypeDefinition ExtractStruct(Cci.INamedTypeDefinition typedef, Cci.ISourc
 			ExtractInterfaces(type.Interfaces, typedef.Interfaces);
 			ExtractFields(type, type.Fields, typedef.Fields);
 			ExtractMethods(type, type.Methods, typedef.Methods, sourceLocationProvider);
+			type.IsSealed = typedef.IsSealed;
+			type.IsAbstract = typedef.IsAbstract;
 
 			defGenericContext.TypeParameters.Clear();
 			return type;
diff --git a/Model/Types/TypeDefinitions.cs b/Model/Types/TypeDefinitions.cs
index 27062ea7..e048c381 100644
--- a/Model/Types/TypeDefinitions.cs
+++ b/Model/Types/TypeDefinitions.cs
@@ -623,7 +623,8 @@ public class TypeDefinition : IBasicType, IGenericDefinition, ITypeMemberDefinit
 		public IList<MethodDefinition> Methods { get; private set; }
 		public IList<TypeDefinition> Types { get; private set; }
 		public IBasicType UnderlayingType { get; set; }
-
+		public bool IsSealed { get; set; }
+		public bool IsAbstract { get; set; }
 		public TypeDefinition(string name, TypeKind typeKind = TypeKind.Unknown, TypeDefinitionKind kind = TypeDefinitionKind.Unknown)
 		{
 			this.Name = name;