Mark Rosen represents clients in high-stakes business litigation and provides counseling on complex legal challenges. Mark focuses on commercial and class action litigation as well as matters of corporate governance. He represents companies and financial services firms in class action litigation, securities litigation, and complex business litigation including breach of contract and breach of fiduciary duty actions arising out of commercial transactions, mergers & acquisitions, privatizations and financings.  Mark has extensive experience in shareholder disputes involving public and private companies, closely-held corporations, controlling stockholders and alternative entities, including application of the business judgment rule.

Mark also represents companies and individuals in trade secrets, competition and employment litigation, including claims of misappropriation of trade secrets and breach of non-compete and confidentiality agreements.  He defends banks and financial institutions in tort and contract actions involving check fraud, bank operations and a variety of UCC issues.