Mark has worked on a broad variety of commercial litigation matters. He has represented clients in complex contractual disputes, commercial fraud cases, partnership disputes, executive compensation disputes, and healthcare regulatory matters. Mark also represented clients in disputes with professionals, including attorneys and accountants, relating to their fulfillment of professional responsibilities. 

Mark’s commercial litigation work also included representation of insurers of municipal general obligation and revenue project bonds and guarantees. Mark’s bond recovery work included the exercise of equitable and statutory remedies, including mandamus relief.

Mark’s intellectual property work has included patent, trademark, and copyright infringement matters, intellectual property licensing, anti-counterfeiting litigation and seizures, and domain name disputes.

Mark’s healthcare work included representation of healthcare providers in connection with shareholder disputes and reimbursement issues in both private and Medicaid-funded sectors. Mark represented a leveraged buyout purchaser of a premier medical imaging practice in a variety of litigation and regulatory matters.