Skip to content
  • Home
  • About Us
    • About Us
    • Meet the Team
  • Practice Areas
    • Wills + Estates
      • Wills + Estates
      • Will + Estate Disputes
    • Conveyancing
      • Conveyancing
      • Conveyancing Quote
      • Real Estate Agents
    • Commercial & Business
      • Commercial & Business Law
      • Business Partnership Disputes
      • Building & Construction Law
    • Family Law
      • Family Law
      • Family Law Involving Business
    • Criminal + Litigation
      • Criminal + Traffic Law
      • Litigation
  • Resources
    • Advice + Articles
    • Free Legal Health Check
    • Costs of a Law Firm
    • Choosing A Law Firm
    • 10 Awkward Questions
  • Contact Us
  • Home
  • About Us
    • About Us
    • Meet the Team
  • Practice Areas
    • Wills + Estates
      • Wills + Estates
      • Will + Estate Disputes
    • Conveyancing
      • Conveyancing
      • Conveyancing Quote
      • Real Estate Agents
    • Commercial & Business
      • Commercial & Business Law
      • Business Partnership Disputes
      • Building & Construction Law
    • Family Law
      • Family Law
      • Family Law Involving Business
    • Criminal + Litigation
      • Criminal + Traffic Law
      • Litigation
  • Resources
    • Advice + Articles
    • Free Legal Health Check
    • Costs of a Law Firm
    • Choosing A Law Firm
    • 10 Awkward Questions
  • Contact Us
Advice & Articles

DNA Evidence and Parentage Testing in Australian Family Law: What You Need to Know

CONTACT US

Parentage disputes are a unique and sensitive issue in Australian family law, often requiring the use of DNA evidence and parentage testing to determine the biological parent of a child. These processes play a crucial role in cases involving child support, inheritance, and parental responsibility, helping courts make informed decisions that protect all parties involved. DNA testing has become a reliable and standard method for establishing parentage in these disputes. This article explores the role of parentage testing in family law, how DNA evidence is used in court, and what parents need to know about the process.

 

When Is Parentage Testing Used in Family Law?

Parentage testing, often referred to as paternity testing, may be requested in various family law situations, including:

  1. Child Support Disputes: When a parent disputes their obligation to pay child support due to doubts about their biological relationship with the child, the court may order DNA testing to establish parentage.
  2. Parental Responsibility and Parenting Orders: Parentage can also be a factor in disputes over custody, visitation rights, and parental responsibility. A confirmed biological relationship can impact the court’s decision on these matters.
  3. Inheritance and Estate Disputes: DNA evidence may be required to establish parentage in cases involving inheritance claims or disputes over a deceased person’s estate.
  4. Birth Certificate Amendments: If there is uncertainty about the identity of a child’s biological parent, DNA testing can be used to support an application to change the details on the child’s birth certificate.

 

How DNA Testing Works

In Australia, DNA testing for parentage typically involves collecting a sample of cells from the inside of the mouth (a buccal swab) from the child and the alleged parent(s). The samples are then sent to an accredited laboratory for analysis. The lab compares the DNA profiles to determine whether there is a biological relationship.

DNA testing is highly accurate, with results showing a 99.9% certainty for a positive match. When the result excludes a person as the biological parent, the accuracy is 100%.

 

 Court-Ordered Parentage Testing

In family law disputes, if there is disagreement about parentage, the court has the power to order DNA testing under the **Family Law Act 1975**. When a court orders a parentage test, the parties involved must comply with the testing process. Refusal to participate can lead to legal consequences, such as the court making a determination based on the available evidence, which may not be in favour of the non-compliant party.

The court may direct that testing be conducted by a laboratory accredited by the National Association of Testing Authorities (NATA) to ensure the results are reliable and admissible in court.

 

Legal Implications of DNA Results

The results of a DNA test can have far-reaching implications in family law cases. If a test confirms that the alleged parent is the biological parent, this can lead to legal obligations such as child support payments and the granting of parental responsibility. On the other hand, if the test excludes a person as the parent, it may relieve them of any legal responsibilities.

It is important to note that, in family law, biological parentage is not the only factor that determines a person’s legal obligations and rights. For example, in cases where a person has acted as a parent to a child, the court may still consider them to have parental responsibilities, even if DNA testing shows they are not the biological parent.

 

Confidentiality and Consent

DNA testing for parentage in family law matters must be conducted with strict confidentiality. The results are only shared with the parties involved and the court. Consent is also a key factor; typically, both parties must agree to the testing, or the court must order it. In the case of minors, the court will also consider the child’s best interests when ordering DNA testing.

 

Conclusion: The Role of DNA Evidence in Family Law

Parentage testing and DNA evidence are critical tools in resolving family law disputes, offering clarity in sensitive matters such as child support, custody arrangements, and inheritance claims. If you’re navigating a parentage dispute in Brisbane, the Gold Coast, or the Sunshine Coast, our experienced family lawyers in South East Queensland are here to help.

 

With offices conveniently located in these areas, we provide expert guidance on DNA evidence, court-ordered parentage testing, and your legal rights. Contact Bennett Carroll Solicitors today to book a consultation and take the first step toward resolving your family law matter.

 

DNA Evidence and Parentage Testing in Australian Family Law: What You Need to Know

For additional insights on parentage testing and DNA evidence, check out these resources:

  • Australian Government Child Support Agency
  • National Association of Testing Authorities (NATA)
  • Family Law Act 1975

 

Related Articles from Our Website

  • Understanding Child Support Obligations
  • Family Law Advice

Related Articles

Co-Ownership Agreements in Queensland: A Complete Guide to Shared Property Ownership

How to Find a Lawyer Near You

Social Media and Family Law – dos and don’ts

Social Media and Family Law – do’s and don’ts

Parental Communication Paramount - Family Law Advice

Parental Communication Paramount – Family Law Advice

Understanding Overseas Assets in Family Law Proceedings in Australia – Legal Advice Article

Avoiding Common Pitfalls in Binding Financial Agreements

PrevPreviousNavigating the Federal Circuit and Family Court of Australia After Separation – Key Insights for Families
NextSchool and Childcare Arrangements After Separation: What Parents Need to KnowNext

This information is provided for general informational purposes only and does not constitute legal advice. Please consult with a qualified lawyer for advice regarding your specific situation.

Where to Find Us – Bennett Carroll Solicitors Locations
BRISBANE NORTH -
STAFFORD
269 Stafford Road, Stafford,
Brisbane Queensland
4053



Directions: Located just off Gympie Road, near Stafford City Shopping Centre.
BRISBANE SOUTH -
UPPER MOUNT GRAVATT
33 Sanders Street, Upper Mount Gravatt, Brisbane Queensland
4122



Directions: Located just off Mount Gravatt Capalaba Road, a short drive from Westfield Mount Gravatt Shopping Centre.
SUNSHINE COAST -
BIRTINYA
Suite 13, 1 Capital Place, Birtinya, Sunshine Coast Queensland
4575



Directions: Located on the corner of Capital Place & Innovation Parkway, next to Lake Kawana at Birtinya.
GOLD COAST-
MERMAID BEACH
Suite 5, 2484 Gold Coast Highway, Mermaid Beach, Gold Coast Queensland
4218



Directions: Located on the Gold Coast Highway, just minutes from Pacific Fair Shopping Centre.
BRISBANE CENTRAL -
BY APPOINTMENT ONLY
80 Ann Street,
Brisbane City Queensland
4000



Appointments:
Contact us to arrange a meeting at our Brisbane City office.
IPSWICH CENTRAL -
BY APPOINTMENT ONLY
Level 3, 16 East Street, Ipswich Queensland
4305




Appointments:
Contact us to arrange a meeting at our Ipswich office.

Bennett Carroll Solicitors is a full-service Queensland law firm with offices in Brisbane, Ipswich, the Sunshine Coast, and the Gold Coast.
We provide legal advice across a wide range of areas, serving clients all over Queensland.
Most matters can be handled remotely via phone, email, or video conference, so wherever you are, we’re here to help.
We offer expert legal advice across a full range of areas including family law, commercial law, wills & estates, litigation, conveyancing and more.

Contact us today, we are your Legal Problem Solvers.

Live Chat: Available on the corner of this page
Or send us a message anytime via our [Contact Page]

  • 1300 334 566
  • info@bcglaw.com.au
  • Facebook
  • Youtube
Copyright 2025 © Bennett Carroll. All rights reserved.