Attribute routing and inheritance

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Attribute routes cannot be inherited. This was a deliberate design decision. We didn’t feel right and didn’t see valid scenarios where it would make sense to inherit them.

Could you give a more realistic scenario as to where you would want to use this?

[Update(3/24/2014)]
In the upcoming 5.2 release of MVC Web API, there is going to be an extensibility point called System.Web.Http.Routing.IDirectRouteProvider through which you can enable the inheritance scenario that you are looking for here. You could try this yourself using the latest night builds(documentation on how to use night builds is here)

[Update(7/31/2014)]
Example of how this can be done in Web API 2.2 release:

config.MapHttpAttributeRoutes(new CustomDirectRouteProvider());

//---------

public class CustomDirectRouteProvider : DefaultDirectRouteProvider
{
    protected override IReadOnlyList<IDirectRouteFactory> 
    GetActionRouteFactories(HttpActionDescriptor actionDescriptor)
    {
        // inherit route attributes decorated on base class controller's actions
        return actionDescriptor.GetCustomAttributes<IDirectRouteFactory>
        (inherit: true);
    }
}

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