

Sherilyn Peterson
- Seattle
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Sherilyn represents clients nationwide in trial and appellate litigation in federal and state court cases involving product liability, tort, administrative challenges, intellectual property, and contract disputes.
Sherilyn Peterson has a strong interest in serving the bar's pro bono needs. Her representation of death row inmates challenging Washington state's execution protocol forced the state to change its method of execution and earned her recognition as the first civil litigator to receive the Washington Association of Criminal Defense Lawyers' President's Award.
Sherilyn has represented pro bono clients in a wide variety of litigation, including vindicating the rights of unhoused individuals and criminal defendants and seeking protection for individuals from deportation. In addition to her extensive pro bono work, Sherilyn is an arbitrator for King County's Mandatory Arbitration Program. She has also served as an instructor for The National Institute of Trial Advocacy.
Areas of focus
Services
Education & Credentials
Education
- Northwestern University Pritzker School of Law, J.D., cum laude, Order of the Coif, Editorial Board, Northwestern University Law Review, 1980
- Northwestern University, B.A., with highest distinction, Phi Beta Kappa, 1977
Bar and Court Admissions
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Washington
- Supreme Court of the United States
- U.S. Court of Appeals for the Second Circuit
- U.S. Court of Appeals for the Ninth Circuit
- U.S. Court of Appeals for the Federal Circuit
- U.S. Court of Appeals for the District of Columbia Circuit
- U.S. District Court for the Western District of Washington
- U.S. District Court for the Eastern District of Washington
Clerkships
- Hon. Wilbur Pell, Jr., U.S. Court of Appeals for the Seventh Circuit
Professional Recognition
Awarded the President's Award by the Washington Association of Criminal Defense Lawyers, 2009