YouTube's $1 billion copyright showdown with Viacom over Internet content keeps getting more interesting.

Ralph Lauren and its lawyers at Kelley Drye & Warren won an incremental victory this week in their seemingly endless battle with the U.S. Polo Association over trademarks depicting horsemen playing the "sport of kings."

Viacom International hit a brick wall at the Delaware Supreme Court this week in its bid to undo a nine-figure judgment related to the company's acquisition of video game developer Harmonix Music Systems.

The Delaware Court of Chancery was none too happy when Finger convinced a federal judge to knock out the court's program of secret arbitrations. But Finger says he helped preserve the state judiciary's tradition of providing a body of corporate law that's both indispensable and public.

In a closely watched case at the U.S. Court of Appeals for the Federal Circuit, Latham & Watkins helped its client Prometheus Laboratories overturn a ruling concerning the patentability of the company's method to treat Crohn's disease and other conditions.

A California jury on Tuesday handed Taiwan Semiconductor Manufacturing Co. a major victory, ruling that a Shanghai rival breached the terms of a 2005 settlement and stole the company's trade secrets. The chipmaker will seek $2 billion in damages, according to Keker's Jeffrey Chanin.