Mr. Marsico's work is principally focused on commercial litigation, with cases involving transactional, securities, insurance coverage, corporate control, financing arrangements and general corporate litigation. He has litigated actions and arbitrations on behalf of clients in more than 25 states and before several foreign arbitration tribunals, and he provides general corporate counsel to many of his business clients. He is head of McGuireWoods' litigation group in Pittsburgh as well as the firm's coal team, a cross-departmental group of attorneys who provide integrated, coal-related legal services to coal producers, coal transporters, utilities and service providers to the coal industry.

His commercial litigation experience includes numerous cases involving the enforcement of long-term supply agreements, the interpretation of insurance contracts providing coverage for industrial and toxic hazards and class action securities fraud suits against securities issuers. His clients include publicly traded manufacturers, energy producers, financial institutions, communications providers and corporate holding companies, as well as large family and trust-owned entities.

In the area of mergers and acquisitions, he has represented numerous clients in disputes arising from the purchase and sale of businesses, including cases involving the enforceability of letters of intent for the sale of businesses, post-closing claims of breached representations and warranties, securities fraud and corporate control disputes.

His experience includes: