Patents. Here is a summary of the oral argument before the Supreme Court earlier this week, in the eBay v. MercExchange case, discussed earlier in this blog. [link]
The summary of oral argument (which apparently gave no clear clues to the outcome) is on the excellent SCOTUSblog [link].
UPDATE (April 18, 2006):
Here is a link to the transcript of oral argument before the Supreme Court [link]
The argument contains a humorous exchange between Carter Phillips, counsel for eBay, and Justice Kennedy:
Phillips: [references “patent trolls” in his argument]
Justice Kennedy: Well, is — is the troll the scary thing under the bridge, or is it a fishing technique? I– I want —
(laughter)