A Washington Petition for Legal Separation (Marriage) is a document used to legally separate married couples in the state of Washington. It is a court document that is filed in the county where the married couple lives. The petition includes the names of both spouses and states the grounds for wanting a legal separation. The petition must be filed in the county where one or both of the spouses reside. The forms necessary to file a petition for legal separation vary by county, but typically include a Petition for Separation, a Summons, a Confidential Information Form, and a Separation Agreement. There are two types of Washington Petition for Legal Separation (Marriage): a limited legal separation and a complete legal separation. A limited legal separation is a separation agreement that does not terminate the marriage and is often used to provide financial support for a spouse or to protect assets. A complete legal separation, also known as a permanent separation, is a court-ordered agreement that terminates the marriage and is typically used to end a marriage.