Leeanne S. Mancari focuses her practice on complex litigation and counseling in the areas of eDiscovery, data and information governance.

Leeanne frequently represents companies, often in the life-sciences sector, in the areas of product liability and mass torts litigation, commercial disputes, regulatory investigations and other internal investigations. A significant amount of her practice is spent advising national and international clients in all phases of information management, data and electronic discovery.

Leeanne consistently appears in state and federal courts, including multidistrict litigations, where she has experience in the management and coordination of hundreds of mass tort cases. Leeanne also has extensive commercial litigation experience. Her experience also includes conducting internal compliance investigations and responding to governmental investigations and inquiries from entities including the FDA, DOJ, SEC and PCAOB. Leeanne has engaged in both alternative dispute resolution and litigation to solve clients’ problems as well as providing strategic advice.

A large focus of Leeanne's practice includes advising clients on information governance, data and eDiscovery issues while managing all aspects of national and international discovery. She frequently serves as the eDiscovery lead on large-scale litigations. Leeanne has experience implementing information management and eDiscovery procedures for clients, both domestically and internationally. Leeanne also counsels on international data privacy and data transfer issues. She has taught many seminars and CLEs on eDiscovery topics.

Leeanne also regularly participates in the firm's recruiting efforts and is an active member of the firm’s Leadership Alliance for Women (LAW).

Leeanne received DLA Piper's 2011 National Pro Bono Award for significant work on several pro bono matters. In 2011 and 2012, Leeanne tried and won a case before the Hon. Jack Weinstein in the US District Court for the Eastern District of New York, enforcing US treaty obligations on behalf of a foreign national under the Hague Convention on the Civil Aspects of Child Abduction. The trial result was affirmed by the US Court of Appeals for the Second Circuit.