There is a discussion going on at SugarCRM's forum page, "Why the Sugar license is mad, bad and may be dangerous" -- part of a much larger discussion that Matt Aslett captures well in this article on the current state of such non-OSI-approved licenses -- that reminded me that I've been meaning to explain something to you about trademarks. I keep reading sentences that OSI doesn't "own" the trademark to Open Source. I think such a sentence should be written instead that it doesn't have a *registered* trademark, but here's the thing: you don't have to register a trademark to have one. I think it's important to understand that, so let me show you some materials I've collected for you on this subject.