Michael Petrino

Firm: Stein Mitchell Beato & Missner LLP
Location: Washington - DC

  • 901 15th Street NW Suite 700
    Washington, D.C. 20005
  • Tel : 202.601.1604
  • Fax : 202.296.8312

Mike Petrino is a commercial and appellate litigator with substantial experience in complex civil litigation matters in a number of different forums, including before state and federal trial courts, bankruptcy courts, federal courts of appeals, federal agencies, and arbitrators.

Mike is a generalist, who has litigated a wide variety of issues including breach of contract, trade secret misappropriation, breach of non-compete and non-solicitation covenants, breach of fiduciary duty, tortious interference, unfair and deceptive trade practices claims, and numerous other types of business tort claims, in addition to federal statutory causes of action under the U.S. Bankruptcy Code, the Clean Air Act, and the Clean Water Act. His prior matters have ranged in size from small matters with less than $1 million at issue to very large multi-district litigations and class actions with billions of dollars at stake. He has represented individuals and corporate clients from a broad range of industries including vehicle manufacturing, oil and gas, medical devices, power generation and transmission, aerospace, and professional consulting services. In a number of these matters, he was litigating on behalf of private equity firms or their portfolio companies.

Before joining Stein Mitchell, Mike was a litigation partner in the Washington, D.C., office of Kirkland & Ellis LLP. Before that, he clerked for Hon. Edith H. Jones on the U.S. Court of Appeals for the Fifth Circuit.

Honors & Awards

  • Premier Appellate Lawyers, Exclusive Featured Attorney for Washington, DC (2021,2022)
  • SuperLawyers®, Washington, D.C. (2020)
  • Kirkland & Ellis, Pro Bono Service Award (2011, 2013-2017)


J.D. George Mason University School of Law, 2008, magna cum laude

  • Law Review, Senior Research Editor
  • Moot Court Board, Chief Justice
  • Upper Class Moot Court Competition, Finalist

Amherst College, B.A., magna cum laude. Economics with Distinction and Political Science, May 2003


  • Washington, D.C.
  • Virginia
  • United States District Court for the Districts of the District of Columbia, Eastern District of Virginia, and Eastern District of Michigan
  • United States Court of Appeals for the 2nd, 3rd, 4th, 5th, 6th, and D.C. Circuits
  • United States Court of Appeals for Veterans Claims

Stein Mitchell Beato & Missner LLP

We pride ourselves on being a dedicated team of highly experienced, battle tested advocates eager to partner with clients to solve their legal and business challenges. The sooner you can get back to doing what you do best, the better.

Every partner here is a trial lawyer. This gives us a unique and critical perspective from which to develop successful, results-driven, and trial-ready litigation strategies.  From the outset of the case through its conclusion, we are prepared to provide zealous and persuasive advocacy. Several partners are former CEOs and business and advocacy leaders who leverage relationships and expertise to accomplish your goals.

We are recognized as “the small firm that takes on big cases and wins.”  Our well-earned reputation as a top-tier litigation firm with a national and international practice rests not only on our fifty-year history of success, but also on the on-going confidence of our clients who entrust us with their most complex and challenging legal matters.