Confirmatory Adoption: What It Is and When You Need It

In a handful of states, LGBTQ+ couples have access to a legal shortcut that most people don't know exists. It's called confirmatory adoption — and for same-sex spouses who are already legally presumed to be co-parents under state law, it offers a faster, cheaper way to convert that presumption into an unassailable court order.

If you're in a same-sex marriage and your spouse gave birth to or previously adopted a child, confirmatory adoption may be the most important legal step you take for your family — and it's far simpler than a full second parent adoption.

The Problem Confirmatory Adoption Solves

When a child is born to or adopted by one spouse in a same-sex marriage, the other spouse is often legally recognized as a parent by presumption — similar to how a husband is presumed to be the father of a child born during a heterosexual marriage. On paper, both parents are already protected.

But a presumption is not a court order. A presumption can be challenged. It may not be recognized in other states. It can become a point of litigation in a custody dispute or a contested estate. And in a post-Dobbs environment, where the legal security of Obergefell v. Hodges is not as settled as it once felt, relying on a presumption alone is a legal gamble.

Confirmatory adoption "confirms" what the state already presumes to be true, converting that presumption into a formal adoption decree protected by the Full Faith and Credit Clause of the Constitution. Once that decree exists, your parental rights travel with you across state lines and survive any future legal challenge.

How It Differs from Second Parent Adoption

The distinction matters primarily in complexity and cost:

Standard second parent adoption treats the petitioning parent as if they were a new party seeking to establish a legal relationship with a child. It typically requires a home study, background checks, a waiting period, and a full court hearing. Total cost: often $2,000–$7,000 and several months of process.

Confirmatory adoption bypasses the home study requirement in most states that offer it. Because the state already recognizes the parent as a legal parent by presumption, the adoption is not creating a new relationship — it's formalizing an existing one. The process is shorter, less invasive, and significantly cheaper. In some jurisdictions, the entire process can be completed for under $1,000 in attorney fees and filing costs.

The catch: not every state offers confirmatory adoption as a distinct process. It emerged out of specific state legislation designed to reduce barriers for same-sex couples — Colorado's Marlos Law (2023) is a well-known example. California and several other states with strong LGBTQ+ protections have similar mechanisms. If you're not in one of those states, standard second parent adoption is the path.

Marlo's Law and State-by-State Availability

Colorado's Marlos Law, enacted in 2023, became a model for how states can streamline parentage confirmation for same-sex couples. Named after a child whose same-sex parents faced legal complications, the law created an administrative process for presumed parents in same-sex marriages to obtain a court order without going through a full adoption proceeding.

States with comparable mechanisms as of 2026 include California (Voluntary Declaration of Parentage for same-sex spouses), New York (amended parentage act), Washington, and Oregon. Several more are in various stages of legislative adoption.

States without dedicated confirmatory adoption statutes — particularly those with negative MAP policy scores — require same-sex couples to use the full second parent adoption process, which is both more burdensome and more subject to judicial discretion.

Who Should Consider Confirmatory Adoption

You should look into confirmatory adoption if:

• You are in a same-sex marriage and your spouse is the biological parent of your child
• You are in a same-sex marriage and your spouse was the sole petitioner in a prior adoption
• You gave birth during your marriage but the birth certificate only names you as a parent (the other spouse was not added)
• You moved to a new state after your child was born and want to ensure your parental rights are recognized in the new jurisdiction

Even if your current state recognizes your parental status by presumption, an adoption decree from a court in your home state provides protection if you ever move, travel, or face a legal challenge anywhere in the country.

What the Process Typically Involves

The steps vary by state but in states with streamlined confirmatory adoption:

1. File a joint petition. Both parents typically file together, or the confirmed parent files with the consent of the other. This is different from second parent adoption, where only the petitioning parent files.
2. Submit documentation. Marriage certificate, child's birth certificate or existing adoption decree, and proof of the existing parent-child relationship.
3. Short court hearing. In many states with confirmatory adoption statutes, the hearing is brief and uncontested. Some allow the process to be handled largely on paper.
4. Receive adoption decree. The court issues a decree naming both parents as the child's legal parents.
5. Amend birth certificate (optional but recommended). Most states allow you to update the birth certificate to reflect both parents after a confirmatory adoption.

Getting Legal Help

Because confirmatory adoption availability and process varies significantly by state, the single most important first step is speaking with a family law attorney who works specifically with LGBTQ+ families. Lambda Legal's Help Desk (1-866-542-8336) provides referrals to experienced attorneys in your area. The National Center for Lesbian Rights and the ACLU also maintain resources.

The LGBTQ+ Adoption & Foster Care Guide includes a state-by-state breakdown of where confirmatory adoption is available, what the process looks like in each state, and what documentation you'll need — so you can walk into a consultation with an attorney already knowing what questions to ask.

Don't assume that because your state recognizes your marriage and your parentage by presumption, you're fully protected. The few hundred to few thousand dollars it takes to get a court order is the most cost-effective legal protection your family can have.