Known sperm donor agreement: the 8 clauses that decide everything

• A known sperm donor agreement is a written contract signed before conception between the intended parent(s) and the person providing sperm. How much that document does for you depends on your state. Where a state has adopted the Uniform Parentage Act, the statute is what protects the donor, with or without an agreement: Washington's RCW 26.26A.605 is typical, and provides that "a donor is not a parent of a child conceived by assisted reproduction." Where a state has no such provision, or where its provision reaches only clinic donations, the agreement is carrying far more of the weight.

• Templates exist online. They are not sufficient. The eight clauses below need to be tailored to your state, your specific circumstances, and the specific medical and social arrangement you're building, then reviewed by a family-formation attorney licensed in the state where the child will be born.

• Whether insemination happens at a clinic or at home can change the legal result, and in some states it changes it completely. In Kansas, Virginia and Texas the statutory protection runs through a physician; in Washington and Oregon the statutes mention neither physician nor clinic. The known-donor disputes that reach appellate courts are dominated by home insemination, and in the clearest of them, Bruce v. Boardwine, the parties "discussed a written contract but never signed one." Find out which kind of state you are in before you decide anything else.

Why a template isn't enough

Search "known sperm donor agreement template" and you'll find dozens. Some are free. Some are $99. Many read like real legal documents.

None of them are sufficient on their own, because none of them are drafted with knowledge of your state's specific parentage statutes, your specific circumstances (single vs partnered, married vs unmarried, gay vs straight, insemination method), or the specific things you and the donor have agreed on for the future.

Templates fail for four reasons:

1. State-specific parentage law. Many states address donor parentage by statute. Washington, Texas, Oregon, Illinois, New York, California and Kansas all do. They do not all say the same thing, and some of them turn on facts the others ignore. Other states have no donor provision at all and fall back on case law. What's enforceable in one state may not be in another.

2. Marital status effects. In many states, the parentage presumption for a married couple is different from that for an unmarried person. Same-sex married couples get the same marital presumption after Obergefell and Pavan v. Smith, but some courts have entertained genetics-based challenges to it, which is why attorneys still recommend a confirmatory adoption or parentage judgment on top of the agreement.

3. Insemination method effects. In some states, clinic-mediated insemination triggers legal protections that home insemination does not. In others the statute does not mention a clinic at all.

4. Custom provisions. The specific things you and your donor have agreed on (contact schedule, disclosure to the child, future siblings, medical updates) are not in any template.

Use a template as a starting checklist. Do not sign one as your actual agreement.

Clause 1: Parental rights and financial responsibility

The core of the agreement, and the reason it exists: the donor waives all parental rights and responsibilities, the intended parent (or parents) are the legal parents, and the donor owes the child nothing.

What this needs to say specifically:

• The donor is not and does not intend to be a legal parent of the child.

• The donor waives all parental rights, including custody, visitation, and decision-making authority.

• The intended parent(s) are the legal parent(s) from the child's birth.

• If the intended parents are a couple, and the state where the child is born does not automatically recognize both, the non-biological intended parent commits to completing second-parent adoption or a functional equivalent as promptly as possible.

• Donor has no financial obligation to the child (no child support, no medical costs, no educational costs).

• Intended parent(s) will not seek any form of financial support from the donor, including child support and health insurance.

What determines enforceability:

• The state's donor statute, if one exists.

• Whether insemination is clinic-mediated or at-home.

• Whether the intended mother is married and, if so, to whom.

• Whether the agreement was signed before conception (before is essential; after is much weaker).

Even the best drafted waiver is not a substitute for the state's parentage framework. Where a donor statute reaches your facts, a signed pre-conception agreement rests on the strongest statutory footing available. That is not the same as a guarantee, and no one can give you one. Where no statute reaches your arrangement, additional court orders (a parentage judgment, an adoption) are often needed even with a signed agreement.

What the agreement cannot settle is the state. Federal law requires a family receiving TANF to assign its support rights to the state (42 U.S.C. § 608(a)(3)) and to cooperate in establishing paternity, subject to a good-cause exception; Medicaid has a parallel assignment and cooperation rule. That is the route by which a state child-support agency can end up pursuing a biological father the parties never intended to involve, and it is how the Kansas case of William Marotta began: a district court ordered him in January 2014 to pay support after the child's mother applied for state assistance, because the donation had not gone through a licensed physician as K.S.A. 23-2208(f) requires. That is not where the case ended. In November 2016 the same court held that he was not the legal father and owed nothing. SNAP works differently from both programs: child-support cooperation there is a state option under 7 U.S.C. § 2015(l), not a federal condition.

An agreement binds you and the donor to each other. It does not bind the state, and a child's right to support is not the custodial parent's to trade away. That is the point on which an Indiana court turned in Straub v. B.M.T. (1994), holding a pre-conception agreement that released a man from support void as against public policy. Raise this with your attorney. It is not something a clause disposes of.

Clause 2: Contact schedule with the child

How often, if at all, the donor interacts with the child. What role the donor plays. This clause distinguishes a donor arrangement from a co-parenting arrangement.

What this needs to say:

• Explicit statement of the donor's role: donor, not parent.

• Whether the donor and the child will have direct contact and, if so, on what schedule.

• Whether the donor's family (parents, siblings, spouse, other children) will have any contact with the child.

• Who initiates contact: the donor, the intended parents, the child once old enough to decide.

• What the child is told about the donor and at what age.

Common structures:

• No contact until the child requests it at 18. The most cleanly "donor" arrangement.

• Occasional contact: a photo update once a year, a meeting every few years. Common with donors known to the intended parents socially.

• Regular but bounded contact: the donor is "cool family friend," meets the child periodically, is present at some milestones. Requires much more careful legal work because the closer the donor is to a parenting role, the more risk there is of a court characterizing the arrangement as co-parenting rather than donation.

The gradient from "clean donor" to "de facto parent" is real, and where you fall on it affects both the emotional shape of the arrangement and its legal enforceability.

Clause 3: What the child is told, and when

Related to Clause 2 but separate. The intended parents' agreement to tell the child about the donor arrangement, at what age, using what framing.

What this needs to say:

• The intended parents commit to telling the child that they were donor-conceived.

• Approximate age at which disclosure begins (professional guidance favors starting in early childhood, in age-appropriate ways, rather than a "big reveal" at age 12).

• Whether the child will be told the donor's identity (if known), and at what age.

• Whether the child will have access to the donor's identity through the agreement at 18 (the open-ID structure).

• Coordination between intended parents and donor about future contact from the child.

This clause matters emotionally and matters legally. Emotionally: the ASRM Ethics Committee reports that children who are told when they are young "respond neutrally, with curiosity, or pleasure, rather than distress," while "late disclosure, during adolescence or adulthood, has been associated with negative feelings of confusion, betrayal, distrust, and anger." ASRM strongly encourages disclosure while leaving the choice to the recipient parents. The same opinion is candid about the limits of the evidence: research "has not consistently found an association between the age of disclosure and family or offspring functioning," which suggests that how disclosure is handled matters as much as when. A 2009 study in Human Reproduction of adolescents and adults conceived by sperm donation pointed the same way, concluding that it is "less detrimental for children to be told about their donor conception at an early age," though its sample was drawn from people who had signed up to a donor registry.

Legally: the clause commits the intended parents to a specific pattern of disclosure, which the donor can rely on when consenting to the arrangement.

Clause 4: Medical updates over time

The donor commits to notifying the intended parents of significant medical diagnoses in themselves or first-degree relatives, for the life of the arrangement.

What this needs to say:

• Donor will inform intended parents of significant new medical diagnoses in themselves.

• Donor will inform intended parents of significant new medical diagnoses in first-degree relatives (parents, siblings, other children) that could be relevant to the donor-conceived child.

• Mechanism for updates (direct communication, communication through a mediator, communication through the platform if applicable).

• Bounded commitment period: some agreements specify "for as long as reasonably possible", others specify "until the child is 18 or 25".

This is a permanent-ish obligation. If the donor develops a hereditary condition at 45, the intended parents (and the donor-conceived child) need to know. Modern agreements typically include a contact-update mechanism so the intended parents can reach the donor even if decades have passed.

Some matching platforms offer to serve as the ongoing contact intermediary, which lets donors and intended parents update contact information over time without having to maintain direct contact.

Clause 5: Future siblings

Whether the donor commits to future donations to your family (creating a genetic sibling), whether the donor will donate to other families, and whether you'll be told.

What this needs to say:

• Whether the donor is willing to donate again to the intended parents for future children, and any commitment on timeframe.

• Whether the donor is willing to donate to other families.

• If donating to other families, whether the donor will inform the intended parents so donor-conceived siblings are known to each other.

• Family-count limit (some intended parents ask for exclusivity or a cap).

For cryobank donation, family-count limits are usually set by the bank. Fairfax Cryobank, for instance, stops distributing a donor's vials to new US clients once 25 US families have been reported, with a separate limit outside the US, and a worldwide target in the 25–30 family range is common. That is starting to change. Colorado's SB 22-224 turned 25 families into a statutory ceiling: for donations from 1 January 2025, once a gamete bank has record of 25 families established from a single donor, in or outside Colorado, it may not supply that donor to another family. For known and platform-matched donation, this is a negotiated term. Intended parents who want a second child from the same donor typically want a commitment on both continued donation and reasonable exclusivity; donors have a range of preferences.

Clause 6: Insemination method

Where and how insemination takes place. This clause has more legal weight than most families realize.

What this needs to say:

• Whether insemination will be at a fertility clinic or at home.

• If at a clinic, which clinic, and confirmation that the clinic's donor consent process was completed.

• If at home, explicit acknowledgment of the legal risk in your state, with the parties' informed decision to proceed.

Why the clinic question matters: in some states, the parentage statutes that protect donors from being ruled legal parents reach only donations made through a licensed physician or a licensed sperm bank. Note that the statutory hook is usually a licensed professional rather than a building. Kansas is one such state: K.S.A. 23-2208(f) turns on semen "provided to a licensed physician." Virginia is another: its assisted-conception statute reaches only pregnancies caused by "intervening medical technology," and in Bruce v. Boardwine the Court of Appeals held that "the plain meaning of the term 'medical technology' does not encompass a kitchen implement such as a turkey baster," so the statute did not apply and the donor became a legal father with custody and visitation. Texas is a third, though its condition sits in a definition: Family Code § 160.702 says "a donor is not a parent of a child conceived by means of assisted reproduction," but § 160.102(6) defines a donor as an individual who provides eggs or sperm "to a licensed physician to be used for assisted reproduction." A man who hands his sperm straight to the recipient for insemination at home is not a donor in that statute's sense. California used to belong in this group and then wrote a way out: Family Code § 7613(b)(2) now treats a donor who did not go through a licensed physician or licensed sperm bank as a non-parent anyway, provided the donor and the woman "signed a written agreement before conception that the donor would not be a parent."

In other states the clinic is irrelevant to the statute. The Uniform Parentage Act (2017) defines assisted reproduction as "a method of causing pregnancy other than sexual intercourse" and lists intracervical insemination among the methods it covers, which is what home insemination is, and then provides that "a donor is not a parent of a child conceived by assisted reproduction." Washington's RCW 26.26A.605 and Oregon's ORS 109.239 reach the same result with no physician and no facility anywhere in the text. Which category your state falls into is the most consequential fact about your arrangement, and it is the first thing to ask an attorney.

If the intended parents want home insemination for cost or privacy reasons, at minimum they should:

• Have a fertility clinic sign off on the arrangement (some clinics will do "monitored home insemination" where the clinic runs the medical work-up and the parties handle the insemination at home).

• Consult a family-formation attorney in the state where the child will be born to specifically address the legal exposure of home vs clinic insemination.

• Acknowledge in writing that they've been informed of the legal risk and elected to proceed anyway.

The medical gate: a clinic also brings federal screening rules that home insemination never touches. In FDA terms a known donor is a "directed" donor, tested for HIV-1 and HIV-2, hepatitis B and C, syphilis, chlamydia and gonorrhea under 21 C.F.R. § 1271.85. Not every rule that applies to bank donors applies here: the six-month retest is written for anonymous semen donors, and 21 C.F.R. § 1271.90 exempts donations from a recipient's sexually intimate partner from the donor-eligibility determination altogether. ASRM's 2024 guidance goes beyond the regulation and recommends that directed donors undergo the same infectious-disease screening as non-directed donors, tested within seven days of sperm acquisition, with the specimen quarantined for 35 days and the donor retested. Home insemination sits outside all of this, so the testing becomes something the parties arrange themselves. The legal exposure is only half of what is on the table.

The known-donor disputes that reach appellate courts are dominated by home insemination. In Bruce v. Boardwine, the clearest of them, the parties "discussed a written contract but never signed one." Nobody publishes counts of these disputes, so treat frequency claims about them, including ours, with suspicion. Home insemination is not always the wrong choice. In a state whose statute turns on a physician, it carries materially more legal risk.

Clause 7: Jurisdiction and dispute resolution

Which state's law governs the agreement, which state's courts have authority, and how disputes are handled.

What this needs to say:

• Chosen state law that governs the agreement (typically the state where the child will be born and raised).

• Chosen venue for any dispute (typically same state).

• Mediation clause requiring mediation before litigation.

• Named mediator or mediation service, or protocol for selecting one.

• Arbitration clause (optional) for disputes that mediation doesn't resolve.

Jurisdiction can matter enormously. If the intended parent moves to a different state after birth, a dispute could theoretically be litigated in either state; specifying the chosen jurisdiction in the agreement gives predictability.

Clause 8: Termination and modification

How the agreement can be modified by mutual consent, and what happens if circumstances change dramatically.

What this needs to say:

• The agreement can be modified only in writing signed by both parties.

• Contingencies for major life events: donor moving, intended parents divorcing, donor or intended parents dying, donor becoming incapacitated.

• No unilateral termination by either party.

• The core parental-rights waiver survives all modifications and the agreement's termination.

The last point is the critical one. Many other terms in the agreement can be adjusted over time (contact schedule, communication frequency, future siblings), but the core "donor is not a parent" waiver should be un-modifiable: it's the foundation on which the child's parentage rests.

How to actually get it signed

Once the substantive terms are agreed:

1. Each party retains their own attorney. Shared representation is not recommended: the parties' interests are aligned in intention but not identical, and each party benefits from independent counsel. In Illinois this is not merely advisable, it is how the statute works: 750 ILCS 46/703(a) recognizes the intended parent as the parent where "the donor and the intended parent have been represented by independent counsel" and have signed a written agreement before any insemination or embryo transfer. Who pays for the two attorneys is custom rather than law; intended parents commonly do.

2. Attorneys negotiate the specific language and finalize.

3. The agreement is signed before conception, ideally before the first insemination attempt and definitely before any successful conception. Where statutes speak to timing they are explicit about it: Illinois requires the agreement "prior to any insemination or embryo transfer," and California's non-clinic route requires one signed "before conception."

4. The signed agreement is stored securely by both parties and by both attorneys.

5. If the state supports pre-birth or post-birth parentage judgments, that court process is initiated in parallel with the medical process.

Fees vary widely by state and by attorney, and there is no published survey of what a known-donor agreement costs. Ask for a written estimate before you engage anyone, and ask whether it covers a parentage judgment as well as the agreement itself.

Next step

If you're at the "we've decided who our donor is going to be" stage, the concrete next step is retaining a family-formation attorney in the state where the child will be born, and asking them to walk you through your state's specific parentage framework before you start drafting.

If you're still deciding which route to take (a sperm bank, a private known donor, or an agreement-only donor from a matching platform), How to find a sperm donor: bank, known donor, or a platform match covers all three, and the levels of donor anonymity a bank offers.

If you're building a co-parenting arrangement rather than a donor arrangement (a distinction that matters legally), what you need is a co-parenting agreement, not a donor agreement. The two are different legal instruments for different family structures.

To see sperm donor profiles, including known-donor and open-ID options, browse donor profiles on To Be Parents.

This article is educational, not legal advice. State-specific donor parentage law varies substantially and continues to evolve. Do not use any template as a substitute for a family-formation attorney licensed in the state where the child will be born. The eight clauses described here are a starting checklist for the conversation with your attorney, not a self-service legal solution.