With over 25 years of practice in complex litigation and intellectual property, Mark has extensive experience representing public and private companies in a host of business and commercial disputes, including consumer class actions, securities fraud suits, regulatory enforcement, bankruptcy litigation, dealership disputes and transactional litigation. Currently Mark is a leading member of the firm’s nationally-ranked data breach and privacy group that has assisted Heartland Payment Systems, The TJX Companies, Wyndham Hotels and others in handling the wide range of issues that can arise from computer network intrusions. Mark was also involved in defending the recent wave of class action litigation under the Fair and Accurate Credit Transactions Act ("FACTA") relating to information printed on payment card receipts. He has handled complex business litigation matters ranging from representing a major brokerage firm in a series of counterparty claims stemming from a client's insider trading to defending an investment manager against qui tam allegations relating to its fee agreements with a public body.

In the intellectual property area, Mark's experience spans the range of trademark, trade secret, copyright, patent, licensing and false advertising disputes. His cases run from handling one of the first actions to be litigated under international procedures for resolving domain-name disputes to defending a trade secret litigation against a major footwear manufacturer over the origin of a very high-profile line of patented footwear. He is also administrative co-head of the firm's trademark prosecution practice.

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