Law360, New York (September 13, 2010, 1:47 PM ET) -- Sarah Chapin Columbia is a partner in the Boston office of McDermott Will & Emery LLP and head of the firm’s worldwide intellectual property litigation practice group. She focuses her practice on intellectual property litigation including patent, trademark, copyright and trade secret matters. She also counsels clients on overall intellectual property strategy and positioning, including litigation avoidance. Columbia represents clients across several industries including semiconductor, biotechnology, Internet, hardware and software, medical device, and manufacturing companies.

Q: What is the most challenging case you've worked on, and...