Mark C. Rouvalis headshot
900 Elm Street
10th Floor
Manchester, NH 03101
Tel: 603 628 1329

Mark C. Rouvalis

Director, Litigation Department

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Mark is a trial lawyer who successfully resolves environmental and commercial disputes for his clients through trial, alternative dispute resolution, or negotiation. Mark has obtained favorable verdicts and decisions for businesses and individuals in environmental and commercial cases before judges and juries in state and federal court, and before private arbitrators. His extensive experience in environmental litigation includes protecting clients from governmental claims both in court and in the regulatory context, as well as prosecuting or defending contamination claims between his clients and other private parties. Through his trial practice, Mark also assists his clients to obtain significant insurance recoveries for various pollution and business claims.

In his commercial litigation practice, Mark enables clients to resolve their disputes in a timely and cost-effective manner. The range of cases he handles encompasses the variety of problems companies and individuals face in business. These disputes include contract interpretation and enforcement matters, shareholder rights cases, family and business partnership fights, employment disputes, faulty construction claims, insurance coverage issues, as well as professional licensing and disciplinary proceedings. Mark also has experience in mediation and other alternative dispute resolution mechanisms. He has served as a volunteer mediator in the New Hampshire Superior Courts.

In addition to his trial practice, Mark regularly advises businesses and individuals concerning state and federal environmental laws and regulations. The advice frequently covers hazardous waste regulation and enforcement, Superfund and oil spill liability, Brownsfield redevelopment, shoreland, wetland and other environmental permitting, and liabilities arising in real estate transactions.

Mark received his J.D. with honors from Boston College Law School (1988) and his B.A. from Brown University (1983). He also clerked for Justice William Batchelder with the New Hampshire Supreme Court (1988-89).

Areas of Focus

  • Arbitration and Mediation
  • Commercial Litigation
  • Environmental Litigation
  • Government Relations
  • Insurance
  • Construction Litigation
  • Corporate/Partnership Disputes




  • New Hampshire Bar (1989)
  • Massachusetts Bar (1988)
  • U.S. Court of Appeals for the First Circuit
  • U.S. District Courts for the Districts of New Hampshire and Massachusetts


  • Fellow, New Hampshire Bar Foundation
  • Ranked in Chambers USA: A Guide to America's Leading Lawyers 2021 (Environmental and Litigation: General Commercial)
  • Benchmark Litigation, "Local Litigation Star", General Commercial
  • Best Lawyers in America (2016 - 2022) (Commercial Litigation, Government Relations Practice
  • New England Super Lawyers


Professional & Association Activities:

  • New Hampshire Bar Association, Committee on Cooperation with the Courts, Member, 2011 to  present
  • New Hampshire Supreme Court, Access to Justice Commission, member, 2012
  • New Hampshire Bar Association Pro Bono Program, Volunteer 1989 to present
  • American Bar Association, member 1989 to present
  • New Hampshire Trial Lawyers Association, 1989 to present
  • Manchester Bar Association, member
  • Chambers USA recognition for Environmental Litigation, 2011
  • BV Peer Review Rated, Martindale-Hubbell

Community Involvement:

  • American Friends of the Blind in Greece, Board member
  • Greek Orthodox Metropolis of Boston, By-Laws Committee, 2010-present
  • Holy Trinity Greek Orthodox Church, Parish Council Member and Officer, 1996- present
  • Capital Region Food Program Volunteer, 1996-present
  • New Hampshire Bar Association Finance Committee, Member 2004-2010
  • New Hampshire Bar Association, Delivery of Legal Services Committee, 1998-2010
  • New Hampshire Lakes Association, Former Chair and Board Member, 1998-2007
  • Legal Counsel, New Hampshire Democratic Party, 1997-2003
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Practice Areas

The strengths of our practice groups and the industries we serve make McLane Middleton one of the most diverse law firms in New England.

Integrity and trust

At McLane Middleton we establish and maintain long-standing relationships with our clients to help us better achieve their unique goals over time. This approach to building trust requires that our esteemed lawyers and professionals use their broad, in-depth knowledge and work together with integrity to ascertain sound resolutions to legal matters for their clients.

Strength in numbers

McLane Middleton is made up of more than 105 attorneys who represent a broad range of clients throughout the region, delivering customized solutions. As a firm we are recognized as having the highest legal ability rating. The firm is rated Preeminent by Martindale Hubbell and is recognized as one of the nation's leading law firms in Chambers USA. Our attorneys are distinguished leaders in their respective practice areas.

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Commitment and collaboration

McLane Middleton's versatile group of attorneys and paralegals become trusted authorities on each case through collaboration. We work with our clients to learn their individual needs first and foremost and, together, we develop comprehensive solutions to their specific legal matters. This approach helps us exceed our clients' expectations efficiently and effectively, client by client, case by case.

Practice Areas

A history of excellence

McLane Middleton was established in 1919 in New Hampshire, and has five offices across two states. However, deep historical roots don't allow you to become innate. Our firm is organized, technological, and knowledgeable. Our history means we are recognized. But our reputation is built on the highest quality of service and experience in very specific areas of law.

The Firm

Intelligence paired with action

Our team continuously seeks opportunities to enhance their professional development and put key learnings to action. The pursuit of further insight guides us to volunteer service opportunities, speaking engagements, and teaching roles. Our lawyers are sought after thought leaders across their industries, and recipients of leadership awards throughout the region.