Photograph of Monty Cooper

Monty Cooper


Named to Washington Business Journal's 2018
top "40 Under 40" list

Harmon L. (Monty) Cooper is a counsel in Crowell & Moring’s Washington, D.C. office, where he is a member of the Mass Tort, Product, and Consumer Litigation and Environment & Natural Resources groups.

Monty is both a counselor and trial lawyer, whose practice focuses on product liability, environmental, and complex civil litigation. He has litigated tort and contract cases across the country, advising clients in high-exposure litigation in numerous venues. He has defended major oil companies in product liability litigation and property damage claims arising from environmental issues. Monty also provides counsel in non-litigation matters, including concerning property-transfer laws and regulatory and legislative matters affecting the mining industry.

Monty works with a team of Crowell attorneys to track emerging risks associated with environmental justice issues. He has also advised clients on areas associated with corporate environmental sustainability, including environmental, social, and governance (ESG) matters.

Monty has published articles and spoken on panels across the country concerning a wide variety of topics affecting his clients, including environmental and mining matters, changes in the U.S. tax code that affect multinational corporations regarding environmental enforcement, and artificial intelligence and digital transformation.

Monty maintains an active pro bono practice, where he has argued criminal appeals before appellate courts, including the Maryland Court of Special Appeals.

Representative Matters

  • Representing an oil company as national litigation counsel, in federal court in the Southern District of New York, in numerous MTBE cases in which private water companies, public water utilities, and state agencies allege that MTBE is a defective and unreasonably dangerous product that has contaminated public drinking water supplies in Pennsylvania, New Hampshire, and several other states.
  • Representing and advising a financial institution in negotiations with state environmental agencies across the country concerning environmental and property-transfer laws.
  • Providing counsel to mining companies regarding regulatory and legislative matters related to the Mine Safety and Health Act of 1977.
  • Successfully represented an oil company, in federal court in the District of Arizona, against CERCLA and common-law claims seeking contribution for environmental remediation costs.
  • Successfully defended a global information-technology company, in federal court in the District of Columbia, in product liability litigation brought by plaintiffs claiming catastrophic injuries from an allegedly defective electronic device. 
  • Successfully defended a major U.S. automobile manufacturer at trial in a wrongful death suit involving claims of alleged defective brakes. After a week-long jury trial in a Maryland circuit court, the company obtained a defense verdict.
  • As special assistant state’s attorney in Prince George’s County, Maryland (January – May 2014), tried several cases involving second degree assault, traffic violations and driving under the influence (DUI) charges before judges. Tried multiple DUI cases before juries, including the successful conviction of a defendant.

Public Service and Education

Monty has also been active in his community. He is a former chairman of the board of directors for the Redevelopment Authority (RDA) of Prince George’s County, MD, one of the largest commercial and residential redevelopment agencies in Maryland.

Monty received a B.A. in American Studies from Georgetown University, where he served as a writing center tutor at the university's Writing Center. He attended the College of William and Mary Law School, where he was a notes editor for the William and Mary Law Review, a member of the William and Mary Bill of Rights Journal, and a Benjamin Rush Scholar. After law school, he served as a law clerk for the Honorable Patrick Michael Duffy of the U.S. District Court for the District of South Carolina. While in private practice, he has been honored numerous times, including being named a D.C. Super Lawyers “Rising Star” and selected for the Washington Business Journal’s list of top “40 Under 40” professionals. In 2021, Monty received the ABA-SEER Chair Award for Outstanding Contribution to the Section due to his work leading the Section’s Diversity, Equity and Inclusion Task Force.

He is a member of the bars of the District of Columbia, Maryland, and South Carolina.


  • Georgetown University, B.A. American studies (2000)
  • College of William & Mary, M.P.P. public policy (2004)
  • College of William & Mary Marshall-Wythe School of Law, J.D. (2004) notes editor, William and Mary Law Review


Admitted to practice: District of Columbia, Maryland, South Carolina, U.S. Court of Appeals for the Fourth Circuit, U.S. District Court for the District of Columbia, U.S. District Court for the District of Maryland

Professional and Community Activities


  • The National Black Lawyers (2021)—"Top 100 Lawyers" List
  • Washington Business Journal (2018)— "40 Under 40" list for the Greater Washington, D.C.
  • Exceptional Service Award (2017)—U.S. District Court for the District of Maryland
  • Washington, D.C. Super Lawyers "Rising Stars" (2013-2015)
  • Nation’s Best Advocates: 40 Lawyers Under 40 Award—National Bar Association
  • Lawyers of Color’s Inaugural "Hot List"—Mid-Atlantic Region
  • Forty Under 40 Award—Prince George’s County (MD) Social Innovation Fund
  • Vanguard Award—Next City (National Urban-Affairs Magazine)
  • Leadership Maryland — Class of 2015
  • Maryland’s The Daily Record 2015 VIP List

View More

"EPA Update To Environmental Justice Legal Tools," Westlaw Today (June 23, 2022). Authors: Byron R. Brown, Monty Cooper, and Lynn Phan.
"EPA Update to Environmental Justice Legal Tools," Environment & Natural Resources Law Alert (June 3, 2022). Contacts: Byron R. Brown, Lynn Phan, Monty Cooper
Client Alert / Newsletter
"One-Year Review: Advancing Environmental Justice," Crowell & Moring Webinar 2022. (May 5, 2022). Speakers: Byron R. Brown, Monty Cooper, Eryn Howington, Felicia L. Isaac
"Subtle Environmental Justice Actions That Go the Extra Mile: Evaluating Recent EJ Developments," Climate Law & Environmental Finance Update (March 21, 2022). Contacts: Monty Cooper, Eryn Howington
Client Alert / Newsletter
"PFAS: It’s Not Going Away," 2022 Defense Research Institute (DRI) Toxic Torts & Environmental Law Seminar (March 16, 2022). Speaker: Monty Cooper.
"Recent Developments in ESG," The National Bar Association - 35th Annual Corporate Counsel Conference, Miami, Florida. (February 24, 2022). Speaker: Monty Cooper
"California and Oklahoma Courts Say Drug Companies Aren't Liable Under a Public Nuisance Theory for the Opioid Epidemic," Mass Tort, Product, and Consumer Litigation Alert (November 30, 2021). Contacts: Peter C. Condron, Monty Cooper, Jessica D. Gilbert
Client Alert / Newsletter
"Latest Information on the MSHA Silica Rulemaking," Industrial Minerals Association - North America 2021 Meeting (September 20, 2021). Speaker: Monty Cooper.
Crowell & Moring’s Monty Cooper Receives ABA Section of Environment, Energy and Resources Award (August 11, 2021)
Firm News / Announcement
"CPSC Publishes Report on Artificial Intelligence and Machine Learning," Crowell & Moring’s Retail & Consumer Products Law Observer (June 3, 2021). Authors: Cheryl A. Falvey, Monty Cooper and Jessica D. Gilbert.

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Crowell & Moring LLP is an international law firm with offices in the United States, Europe, MENA, and Asia that represents clients in litigation and arbitration, regulatory and policy, and transactional and corporate matters. The firm is internationally recognized for its representation of Fortune 500 companies in high-stakes litigation and government-facing matters, as well as its ongoing commitment to pro bono service and diversity, equity, and inclusion.

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