Petition De Facto Parentage
Washington · Washington State Courts · Effective July 1, 2025
This form is used to ask the court to officially recognize someone as a de facto parent. A de facto parent is someone who has acted like a parent to a child without being legally recognized as one.
Where this fits in a case
Start a caseStage: Start a case
This form is used when a person wants the court to find that they have acted as a parent to a child in a way that meets specific legal requirements.
Usually filed by the person starting the case.
Common questions
- Who should fill out this form?
- The petitioner, which is the person asking the court to recognize them as a de facto parent, fills out this form.
- What must be true for this form to be used?
- The form states that several things must be true, such as living with the child for a long time, caring for the child fully, and holding the child out as your own.
Revision history
No changes recorded since we started tracking this form on October 9, 2026. The current version took effect July 1, 2025.
Related forms
- FL All Family 106
Summons Served by Mail
This form is a Summons that tells someone they have been started a court case by filing a petition. It informs the person that they must write a response and file it by a certain deadline.
MandatoryWordStart a case
Eff. Jun 1, 2020
- FL All Family 110
Summons Served by Publication
This form is a Summons that tells someone they have been served with court papers through publication. It informs the person that a case has started and explains that they must file a written response by a certain deadline.
MandatoryWordStart a case
Eff. Jun 1, 2026
- FL All Family 112
Proof of Mailing or Hand Delivery (for documents after Summons and Petition)
This form is used to prove that certain legal papers were sent by mail or delivered by hand after the initial Summons and Petition were filed. It asks the person filling it out to state when, how, and to whom the documents were given.
MandatoryWord4 translationsStart a case
Eff. Jan 1, 2022
- FL All Family 118
Notice of Appearance (for a party without a lawyer)
This form lets a person who does not have a lawyer tell the court that they are involved in a case. It asks the court to make sure the person gets notices about hearings and copies of filed papers.
MandatoryWord4 translationsStart a case
Eff. Jul 1, 2021
- FL All Family 119
Agreement to Join Petition (Joinder)
This form is an agreement that allows a person to join a case that another person started. By signing it, the person agrees to the requests in the other person's filing, unless they file a separate response before the court makes final orders.
MandatoryWordStart a case
Eff. May 1, 2016
- FL Divorce 206
Petition to Invalidate (Annul) Registered Domestic Partnership
This form is used to ask the court to cancel or void a previously registered domestic partnership. It asks for information about the people involved, the details of the partnership, and the reasons why the partnership should be invalidated.
MandatoryWordStart a case
Eff. Jun 1, 2024
- FL Parentage 300
Summons: Notice About Parentage
This form is a Summons that tells someone that another person has started a case asking the court to decide about parentage of children. It informs the person that they must respond in writing by a certain deadline.
MandatoryWordStart a case
Eff. Sep 1, 2026
- FL Parentage 301
Petition to Decide Parentage
This form is used to ask the court to make a legal decision about who the parents of a child are. It asks the person filing the form to state their relationship to the child and list all the people who are considered parents or who the court needs to decide about.
MandatoryWordStart a case
Eff. Jul 1, 2025