Atty. Sonja Marta Halverson

Atty. Sonja Marta Halverson

Sonja Marta Halverson is a lawyer. Sonja has been licensed for 21 years.

Seattle Seattle 21 yrs experience 21 year
Call (206) 479-0944 Book Appointment

Profile Summary

About Sonja Marta Halverson at a glance

Sonja Marta Halverson is a Fred Hutchinson Cancer Research Ctr. based in Seattle, Washington. They have 21+ years of legal experience, licensed to practice since 2005. Admitted to practice in New Jersey (2005), Massachusetts (2006), and Washington (2008). Serands clients in Seattle, WA and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Sonja Marta Halverson is a lawyer
  • Sonja has been licensed for 21 years
  • Sonja practices in Seattle, WA

Jurisdictional Context

Why local counsel matters in Washington

Practicing law in Washington. Legal matters in Washington are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Seattle are typically filed in the local municipal court or the appropriate Washington state district court, depending on subject matter and amount in controversy. An attorney licensed in Washington brings working knowledge of local procedural deadlines, judicial practices in this andnue, and the substantive law that applies to cases brought here. Out-of-state attorneys generally cannot represent clients in Washington courts without local counsel or pro hac vice admission.

Looking for additional Washington attorneys? Browse all attorneys in Seattle or all attorneys in Washington.

Frequently Asked

Common questions about Sonja Marta Halverson

Where is Sonja Marta Halverson's law office located?
Sonja Marta Halverson's law practice is located in Seattle, Washington. You can contact the office directly through this profile page.
How long has Sonja Marta Halverson practiced law?
Sonja Marta Halverson has 21+ years of legal experience and has been licensed since 2005.
How can I contact Sonja Marta Halverson for a consultation?
You can contact Sonja Marta Halverson directly through this profile page. Click "Ask the Attorney" to submit a question, or "Schedule a Consultation" to book a meeting. Most claimed-profile attorneys respond within one business day.

Bar Admissions

New Jersey
Admitted: 2005
Massachusetts
Admitted: 2006
Washington
Admitted: 2008

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