Casey Clausen

Casey T. Clausen Business Attorney Beveridge & Diamond Seattle, WA
Organization Profile
Professional Biography

Casey maintains a diverse environmental and litigation practice and brings creative solutions to his clients’ business goals.

Casey advises clients nationwide across industrial sectors on issues including the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA), the Clean Water Act, the Endangered Species Act (ESA), and the National Environmental Policy Act (NEPA), and other federal and state environmental statutes. He is passionate about working in an area of the law that involves a range of industries, complex scientific and technical matters, and delivering solutions that address real-world business concerns.

Litigation is a cornerstone of Casey’s practice, and he has experience in federal and state courts across the country. His litigation practice includes defense of toxic tort class actions, citizen suits, and enforcement actions, as well as general civil litigation. His representative experience includes:

  • Defeating class certification in a putative breach of contract class action involving more than 20,000 members in Florida federal district court.
  • Obtaining early dismissal of a putative breach of contract class action in Colorado district court. 
  • Successfully defending an odor nuisance class action in Pennsylvania district court.
  • Achieving favorable settlement in defense of worksite chemical exposure negligence action.
  • Ongoing defense of putative breach of contract of contract class actions in Arkansas and South Carolina district court.
  • Ongoing defense of putative toxic tort class action involving fire at waste-to-energy facility in Florida district court.
  • Ongoing defense of railcar third-party defendant in CERCLA cost-recovery litigation relating to train derailment.

Casey joined B&D following a clerkship in the U.S. District Court for the Northern District of New York. He uses his experience clerking to handle clients’ needs as creatively and efficiently as possible.

A significant portion of Casey’s practice involves complex contaminated site cleanups, including associated litigation. He provides support at one of the largest Superfund sites in the country.

Casey is also an active member of B&D’s pro bono practice. He represents asylum applicants in Immigration Court, including at hearings.

Casey resides in Portland, Oregon and practices out of B&D’s Seattle office.

  • More Legal and Business Bylines From Casey Clausen


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