April E. Weisbruch is a partner at McDermott, Will, & Emery LLP. She focuses her practice on intellectual property (IP) matters, particularly in managing large-scale IP litigation and counseling. She works with clients in wide-ranging technology sectors, including pharmaceuticals, software applications, medical devices, organic chemistry and ballistics. April represents clients in all phases of patent litigation, from the filing of a complaint through appeal, as well as in the highly specialized post-grant proceedings before the United States Patent Trial and Appeal Board (PTAB). She has extensive deposition, hearing and trial experience in US district courts throughout the country, as well as in the US Court of Federal Claims, the US Court of Appeals for the Federal Circuit, and the PTAB. Her litigation experience includes traditional "competitor" litigation, litigation against nonpracticing entities, ANDA litigation under the Hatch-Waxman Act and §1498 litigation against the United States of America.