No, you really can't "delegate" copyright enforcement. Look at Righthaven:

http://www.vegasinc.com/news/2011/jun/14/judge-rules-righthaven-lacks-standing-sue-threaten/

Some Righthaven suits have been dismissed due to "lack of standing". They don't *own* the copyrights, they just have the right to sue. And you can't transfer the right to sue to someone else while retaining ownership of the copyright.