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In Washington State legal proceedings, ER 706 plays a critical role in ensuring fair trials through the use of court-appointed experts. This rule allows judges to appoint their own experts to testify independently from either party. Understanding how ER 706 Washington law works can help you prepare for legal challenges involving expert opinions and cross-examination.


What Is ER 706 Under Washington Law?

ER 706, or Evidence Rule 706, gives courts the authority to appoint experts in civil and criminal cases. These experts are selected to offer impartial, unbiased testimony when the subject matter is complex or technical.

Judges can appoint an expert on their own or at the request of either party. These court-appointed experts provide reports, testify under oath, and are subject to cross-examination by both sides.


Why ER 706 Matters in Washington Legal Proceedings

Expert testimony often influences the outcome of a case. But when each party hires its own expert, juries can be confused by conflicting opinions. That’s where ER 706 Washington law helps:

  • Impartiality: Experts are appointed by the court—not hired by either party.
  • Transparency: All parties are notified of the expert’s appointment.
  • Fairness: Both parties may cross-examine the expert.
  • Credibility: Court-appointed experts often carry more weight with judges and juries.

How Court-Appointed Experts Are Used

In Washington courts, ER 706 experts are most common in cases involving:

  • Medical or psychological evaluations
  • Engineering or construction disputes
  • Financial or forensic accounting issues
  • Child custody or parenting evaluations

The court may order the expert to prepare a written report and testify at trial. The expert’s compensation is often split between the parties or paid from court funds.


Can You Object to a Court-Appointed Expert?

Yes. Either party can object to:

  • The appointment of any expert
  • The qualifications of the expert
  • The scope of the expert’s review or testimony

It’s essential to have legal counsel who understands how to challenge or prepare for ER 706 experts in Washington courtrooms.


What This Means for Your Case

If you’re involved in a civil or criminal case and the court invokes ER 706 Washington law, you need to be prepared. Whether you’re the plaintiff or defendant, your attorney must:

  • Review the expert’s qualifications
  • Examine the expert’s report
  • Prepare for effective cross-examination
  • Consider hiring your own rebuttal expert if needed

Review our client resources here

Contact us anytime for your urgent legal needs.

About Blanford Law:

We are no-nonsense, relentless, fair, and honest. We are great listeners instead of fast talkers, that is just who we are. More than 20 years ago, Ken began practicing law with a deeply-seeded belief that every person has the right to the best legal representation available. He built his law firm on that belief. Another belief that he strongly adheres to is his fundamental belief that clients deserve respect, with no assumptions or preconceived notions.  If you or someone you know is accused of a crime or injured as a result of the negligence of another, please have them call us at 253-720-9304 or email us info@blanfordlaw.com

Explore More Articles on Evidence

If you’re interested in further understanding how evidence works in Washington State courts, check out these related articles from Blanford Law:

  1. Evidence Rule 401: The Foundation of the Rules of Evidence
    • This article explains the importance of Rule 401, which defines what constitutes relevant evidence. Learn how this foundational rule affects every court case and what makes evidence admissible.
  2. Washington State Rule of Evidence 403: Protecting the Jury from Misleading Evidence
    • Rule 403 ensures that even relevant evidence can be excluded if it risks confusing or misleading the jury. This article covers how courts balance probative value against the potential for prejudice.
  3. Evidence 608: A Guide to Character Evidence and Witness Credibility
    • Rule 608 focuses on how the credibility of a witness can be attacked or supported using character evidence. This article explores the intricacies of presenting or defending character evidence in court.
  4. Understanding ER 706: Court-Appointed Experts in Washington State
    • Learn about ER 706, which governs the use of court-appointed experts in Washington. This article breaks down how expert testimony can influence a case and the role these experts play in ensuring fairness.