Alcoa, the world's largest aluminium producer, has dumped LeBoeuf Lamb Greene & MacRae as its retained litigation firm after 13 years, in favour of Hunton & Williams. In a complete overhaul of its legal roster, led by global general counsel Larry Purtell, the company has also retained Greenberg Traurig for all its IP work. The company chose Greenberg after three years with Pittsburgh firm Eckert Seamans Cherin & Mellott. Alcoa spokesman Kevin Lowery said: "It was due to [LeBoeuf's] overall handling of the account. "Our desire for flexibility that wasn't met and there was no focus on results." Alcoa consolidated its litigation work from more than 150 firms to LeBoeuf in 1993, with a number of the company's in-house solicitors joining LeBoeuf to form a Pittsburgh office....