Washington Request For Trial De Novo And For Clerk To Seal Arbitration Award is a legal request in Washington State that is used when a party is unsatisfied with the results of an arbitration. This request allows the party to request a new trial (De Nova) in court, while also requesting that the Clerk of the Court seal the Arbitration Award. There are two different types of Washington Request For Trial De Novo And For Clerk To Seal Arbitration Award: one for asking the court to review the case, and one for asking the court to confirm the decision of the arbitrator (Confirmation of Arbitration Award). The first type is used when a party believes the arbitrator has made an error that needs to be corrected, while the second type is used when a party agrees with the arbitrator's decision and wants the court to formally approve it.