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Henninger S. Bullock

Henninger S. Bullock

T +1 212 506 2528
F +1 212 849 5528
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Henninger "Hank" Bullock is a partner in Mayer Brown's Litigation & Dispute Resolution practice, serving as co-head of both the New York office's Litigation practice and the firm's Product Liability & Mass Torts practice, which was named “Product Liability Group of the Year” by Law360 in 2014.

Hank is an experienced litigator who counsels clients in the life sciences and financial services sectors. He has handled hundreds of complex disputes in state and federal courts throughout the country at both the trial and appellate levels. He also has significant experience in large multidistrict litigations, serving as liaison counsel for defense groups. These experiences have resulted in him being recognized by many prestigious publications, including Benchmark Litigation’s 2016 inaugural “Under 40 Hot List,” LMG Life Sciences “Life Sciences Star” list (2013-2016), Law360’s 2014 “Product Liability MVP” list and Law360’s 2011 "Rising Star" list, which recognized him as one of five product liability lawyers under 40 to watch.

Hank provides defense against all types of claims for life sciences clients, including product liability, licensing and supply disputes. In the product liability area, he has served as lead national counsel for brand name pharmaceutical companies, devising strategy and coordinating the defense of thousands of lawsuits across multiple jurisdictions. Hank also has extensive appellate experience in this area, having successfully handled cases before United States Court of Appeals for the Fifth, Sixth, Eighth, Ninth, Tenth and Eleventh Circuits, the Missouri Supreme Court and the Missouri Court of Appeals, the Iowa Supreme Court and the Iowa Court of Appeals, the Georgia Court of Appeals and the Florida First District Courts of Appeal.

Financial services clients, including major commercial and investment banks, hedge funds, broker-dealers and commodity trading firms, rely on Hank to defend them in lawsuits, government regulatory proceedings and internal investigations involving securities, commodities, derivatives and foreign exchange products. His representation encompasses customary disputes over regulated financial products, as well as highly sophisticated and unregulated structured finance-and-derivative transactions. Hank has been particularly successful in defending financial institutions and their officers and directors in claims of fraud or misrepresentation associated with the trading of complex financial assets.

In addition, Hank represents clients from various business sectors in complex contract and tort matters 

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