The aggressive policing requirement is for trademarks, not copyrights. The characters fanfic authors borrow are trademarked *too*, I guess, but copyright is the big one and doesn't have any such requirement.
And while you *can* sue an author for copying your copy, you're not going to win. You can sue anyone for anything.
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timeasmymeasure
no subject
Date: 2010-05-18 06:41 pm (UTC)And while you *can* sue an author for copying your copy, you're not going to win. You can sue anyone for anything.