Studies have shown that the presence of impacted third molars places the mandible at increased risk for fracture. Individuals participating in high contact sports are subject to maxillofacial trauma; therefore, participants with impacted third molars are at increased risk for fractured mandibles. Three cases are reviewed to illustrate this problem.

The US Federal Circuit court of appeals has dissolved the preliminary injunction that for several years kept barnesandnoble.com from offering its Internet customers the one-click shopping that Amazon.com offers. The one-click patent, one of the most derided businessmethod patents, took a heavy thrashing from the Federal Circuit, but it hasn't been knocked out by complete invalidation yet. This decision is interesting, not only because of the notoriety of the one-click patent, but also because the decision illustrates several peculiarities of the patent system and of business-method patents in particular.

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