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McDermott Will & Emery’s Los Angeles Office Continues to Expand

Tuesday, June 19, 2007

Los Angeles, CA -- McDermott Will & Emery ( is pleased to announce that Eric W. Hagen and George G.C. Tseng have joined the Firm as partners in the Intellectual Property Media & Technology Department based in the Los Angeles office.

Mr. Hagen represents Fortune 500 companies, portfolio companies of private equity clients, burgeoning start-ups and high profile individuals. He has counseled clients and managed complex commercial cases involving trade secrets, trademarks, patents, copyrights, antitrust issues, false advertising claims, and related matters. Mr. Hagen has successfully represented a diverse range of companies in the television, internet, marketing, life sciences, semiconductor, financial services, sports and entertainment industries. Mr. Hagen has also successfully guided cases through appeals before the Federal Circuit, the Ninth Circuit and the California Court of Appeal.

Mr. Tseng focuses his practice on patent and trade secret law including, patent preparation and prosecution, patent portfolio creation and management, patentability, infringement claims, clearance and validity opinions, and technology licensing and distribution agreements. Mr. Tseng is experienced with preparing and prosecuting patent applications in various technologies including computer networking, wireless and traditional telecommunications, internet and e-business, business methods, digital imaging, computer architecture, user interfaces and database technologies.

"This year we have already added nearly 20 intellectual property lawyers across the Firm," commented Terrence P. McMahon, head of the Firm’s global Intellectual Property, Media & Technology Department. "Eric and George are part of our ongoing growth which we will be focusing on throughout the year. Mr. Hagen was heavily recruited by multiple firms and his choice to join McDermott is another validation of the strength and attractiveness of our IP platform."

Mr. Hagen earned his J.D., magna cum laude, from Pepperdine University School of Law, his M.A. from Dartmouth College and his B.A. from Pepperdine University. He is a member of the State Bar of California, the District of Columbia and admitted to practice before the U.S. Patent and Trademark Office. Mr. Tseng earned his J.D. from Loyola Law School, Loyola Marymount University, his M.B.A. from Loyola Marymount University, and his B.S.E.E. from the University of California, Los Angeles. He is a member of the State Bar of California and admitted to practice before the U.S. Patent and Trademark Office and the U.S. District Court for the Central District of California.

"It will be a great asset for both our clients and our lawyers to have Eric and George onsite in our Los Angeles office," commented Gordon Greenberg, partner-in-charge of the Los Angeles office. "Their experience and skills are a great combination to further establish our intellectual property practice."

McDermott’s Intellectual Property, Media & Technology Department includes more than 215 lawyers and patent agents. McDermott is recognized for its trial and appellate experience, and is ranked as one of the strongest IP litigation firms for both plaintiffs and defendants, as well as one of the most active firms before the ITC. McDermott’s practice in procurement and licensing in the patent, trademark and copyright areas is recognized for its depth and breadth. Rounding out our intellectual property, media and technology services, the team provides client counseling and advice regarding trade secret, unfair competition, advertising, entertainment and computer law.

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