File a Petition to Decide Parentage
Authored By:
Northwest Justice Project
Blank forms to print and fill out on your own, with how-to instructions for completing and filing. Use this if you are not married to or in a domestic relationship with your child’s other parent, you want to decide your child’s parentage, there is no Affidavit or Acknowledgment of Parentage establishing parentage, and there is no court order establishing parentage. Packet # 3620EN
Links to Court Forms
Forms you will need to start your case (PDF Format). These forms are also available in MS Word format at www.courts.wa.gov/forms
- Petition to Decide Parentage - FL Parentage 301
- Summons (Parentage) - FL Parentage 300
- Confidential Information Form - FL All Family 001
- Civil Case Cover Sheet
- Proof of Personal Service - FL All Family 101
Forms you may also need:
- Declaration about a Child’s Best Interest - FL Parentage 306
- Declaration about Genetic Parentage - FL Parentage 307
- Service Accepted - FL All Family 117
These forms are available in MS Word format at www.courts.wa.gov/forms
Get Legal Help
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Last Review and Update: Jan 26, 2022