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Marie E. Quasius

Fax +1.206.623.7022

Marie Quasius works for private and public clients on permitting, compliance counseling, and litigation related to large infrastructure projects, including permitting/licensing, construction, operation, purchase/sale, and remediation of energy facilities (including hydropower facilities, liquefied natural gas pipelines, propane/butane pipelines, and export terminals), transportation proposals, and other industrial facilities.

Her work has involved a range of environmental statutes, including the Federal Power Act; NEPA; SEPA; the Clean Water Act (particularly industrial and municipal stormwater and 401 certification); the Coastal Zone Management Act; state and federal cleanup laws; wildlife and fisheries management under the Endangered Species Act, Marine Mammal Protection Act, and the Magnuson-Stevens Act; historical and cultural resource protection laws; federal Indian law, constitutional law issues (e.g., preemption, takings), navigability for title, and various state environmental and land use laws.

Her litigation experience in federal district courts and courts of appeals, state courts, and administrative tribunals extends to all stages of pre-trial and post-trial work, such as fact and expert discovery; large-scale document productions; depositions; motions practice; preparing witnesses for trial; and negotiating and enforcing complex multi-party settlement agreements.

Super Lawyers magazine named Ms. Quasius a 2015 and 2016 "Rising Star" in the Environmental Law Practice Area.


  • Rising Star - 2016
  • Rising Star - 2015

Professional/Civic Activities

  • Board Member & Executive Committee, Mountains to Sound Greenway
  • Board Member & President, Women in Environment
  • Washington State Bar Association, Environmental Land Use Section Newsletter, Member of the Editorial Board

Speaking Engagements

  • Presented “The Legal Struggle over Ethnic Studies” at the National Asian Pacific American Bar Association Convention (2014)
  • Presented “New Regional Energy Needs: The Promise of Pumped Hydropower Storage” at the Comprehensive Review of Hydropower in the Northwest CLE (2014)
  • Presented “Social Justice Monday: Perspectives on the Arizona Ethnic Studies Litigation” at the Seattle University Korematsu Center (2014)
  • Presented “Drafting an Environmental Review Document” at a State Environmental Policy Act conference (2013)
  • Presented an “Overview of the Endangered Species Act” at the 18th Annual Endangered Species Act Conference (2011)
  • Prepared Subcontractor CLE for Construction Law CLE (2010)