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Direct: 202.499.6723
Main: 202.480.2999

Oppenheim + Zebrak, LLP
4530 Wisconsin Avenue, NW,
5th Floor
Washington, DC 20016

Manager, IP Enforcement

Dan Seymour supports O+Z’s litigation and enforcement practice. Dan has more than twenty years of experience developing, managing and conducting complex multi-jurisdictional, interdisciplinary investigations in support of civil and criminal litigations in the public and private sector. He has led global Internet enforcement efforts for the Motion Picture Association of America, the Entertainment Software Association, and an industry leading commercial real estate firm.

His primary expertise is in the area of intellectual property protection and investigations, and he is a qualified cyber investigations and computer forensics expert. He has successfully completed numerous investigations into the theft of trade secrets, proprietary information, and copyrighted, trademarked and patented properties. Dan has significant international civil and criminal enforcement experience.

Notable testimony includes testifying regarding extensive analysis of the access logs of a corporate website to determine the means by which an outside computer had accessed large amounts of proprietary pricing information, leading to a first of its kind preliminary injunction being issued under the Computer Fraud and Abuse Act. EF Cultural Travel BV v. Explorica, Inc., 274 F.3d 577 (1st Cir. 2001).

Dan also testified at a civil contempt hearing in the Southern District of New York on behalf of a court appointed trustee overseeing the corporate and individual assets of Princeton Economics International and Martin A. Armstrong, the New Jersey investment advisor accused of defrauding Japanese investors of nearly $3 billion. Armstrong was found to be in contempt of court for failing to turn over computer hard disk drives and faced new criminal contempt charges based upon Dan’s testimony regarding the deletion of computer files.