The dispute between Richard Minsky (registered owner of the SLART trademark), and Linden Lab (applicant for the SL trademark) has been heating up. Minsky previously filed a civil suit in a federal court, naming Linden Lab, Philip Rosedale, Mitch Kapor and one or more other Second Life users (as John Does) for (variously) trademark infringement, trademark dilution, tortious interference, and fraud.
Detailed
http://massively.joystiq.com/2008/09/23/minsky-vs-linden-lab-restraining-orders-and-petitions/
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