Fault vs. No-Fault Divorce in Pennsylvania: Strategic Considerations

Pennsylvania allows both fault and no-fault divorce. The choice between them matters strategically, though perhaps less than many people believe. Under no-fault grounds, either spouse can eventually obtain a divorce without the other's consent by proving a one-year separation. Fault divorces proceed faster but require proving the other spouse's wrongdoing. Understanding when fault is worth pursuing, and when it is not, is crucial to your divorce strategy.

No-Fault Divorce Grounds

Under 23 Pa.C.S. § 3301, Pennsylvania offers two no-fault grounds:

Mutual consent (§ 3301(c)): Both spouses sign affidavits consenting to the divorce after a 90-day waiting period. This is the fastest path if both parties agree.

Irretrievable breakdown / separation (§ 3301(d)): One spouse alleges the marriage is irretrievably broken and the parties have lived separate and apart for one year. No consent from the other spouse is required. The one-year separation must be proven, but "separate and apart" does not require separate residences under 23 Pa.C.S. § 3103.

The no-fault route takes longer than a fault divorce but avoids the need to prove wrongdoing in court. For most people today, no-fault divorce is the practical choice.

Fault Grounds Under § 3301(a)

Fault grounds include:

1. Desertion for one year: Willful and malicious abandonment without reasonable cause. The deserting spouse must intend to abandon and the abandonment must be continuous for one year.
2. Adultery: Voluntary sexual intercourse with someone other than the spouse. Must be proven by clear and convincing evidence. Circumstantial evidence (time alone, motive, opportunity, behavior) may suffice, but direct proof is stronger.
3. Cruel and barbarous treatment endangering life: Conduct that physically harms or places the innocent spouse in reasonable apprehension of harm. This is a high bar; ordinary emotional cruelty does not meet it.
4. Bigamy: Being married to more than one person. Rare in practice.
5. Imprisonment for two or more years: Conviction and incarceration for two years or more. The conviction must be final before divorce can be granted.
6. Indignities: Conduct that renders the condition intolerable and burdensome to the innocent spouse, causing loss of self-respect. This is broad and fact-intensive. Examples: chronic infidelity, financial irresponsibility, emotional abuse short of "cruel treatment," substance abuse affecting the marriage.

Proving Fault Grounds

Fault divorces require a hearing. The plaintiff must present testimony and evidence to prove the ground by a preponderance of the evidence (or clear and convincing evidence for adultery). The defendant may contest the allegation. A hearing officer or judge hears the evidence and makes findings.

For adultery, corroborating evidence helps: text messages, emails, social media, receipts placing the parties together, testimony from witnesses. Circumstantial evidence (lipstick on a shirt, a hotel receipt, location data) can support proof, but judges expect more than pure suspicion.

For indignities, the plaintiff must show a pattern of behavior, not isolated incidents. Courts ask: would a reasonable person find this conduct intolerable? Did the spouse lose self-respect? This is subjective and disputes often arise.

Effect of Fault on Alimony

This is where fault matters strategically. Under 23 Pa.C.S. § 3701(b)(14), the court shall consider "the marital misconduct of either of the parties during the marriage" in determining alimony. However, marital misconduct from the date of final separation onward shall not be considered, except that the court shall consider abuse.

In plain language: fault that occurred during the marriage can affect alimony, but misbehavior after separation cannot (except for abuse). The statute does not say fault must be considered, only that it may be. Courts vary in how much weight they give fault in alimony cases.

In our practice, we've seen fault matter most in cases involving severe marital misconduct (long-term adultery, financial infidelity, abandonment) where one party was clearly the "wronged" spouse. In those cases, the at-fault spouse may receive lower alimony or face stronger alimony obligations. But courts will not deny alimony based on fault alone if the receiving spouse has legitimate support needs.

No Effect on Equitable Distribution

This is critical: Fault does NOT affect property division. Under 23 Pa.C.S. § 3502, which governs equitable distribution, marital misconduct is not listed as a factor. Pennsylvania law is clear that property division is based on the statutory factors (length of marriage, contributions, earning capacity, standard of living, etc.), not on who was "wrong" in the marriage.

So even if you prove adultery or indignities, the other spouse still gets their equitable share of marital property. Fault cannot be used to punish one spouse by giving less property to the at-fault spouse.

Effect on APL and Special Relief

Fault may be relevant to alimony pendente lite and special relief during the divorce. A spouse who abandoned the other or committed adultery may find it harder to obtain APL. And while special relief (provisional remedies) is available in both fault and no-fault cases, a court may be more receptive to special relief (e.g., exclusive possession of the marital home) when there is evidence of fault conduct.

Timing and Cost Implications

Fault divorces can proceed faster than no-fault divorces if the plaintiff can prove the ground quickly. A no-fault separation divorce requires waiting one year. But pursuing a fault ground requires a hearing, testimony, and possible contested litigation. If the defendant disputes the fault ground, the case can become more time-consuming and expensive than simply waiting for the one-year separation to elapse.

In our practice, most divorce clients today choose the no-fault route. It is predictable, does not require proving wrongdoing, and avoids the emotional burden of a contested hearing. Fault cases are pursued primarily when: (1) the timing is critical (e.g., the plaintiff cannot wait a year), (2) there is strong evidence of serious misconduct, or (3) the attorney believes fault will have a meaningful impact on alimony or other outcomes.

Practical Considerations

If you are considering a fault divorce, ask yourself: Is there a strategic advantage to proving fault? Will the other spouse contest it? Can I afford the legal costs of a contested hearing? Is the timing benefit (faster resolution) worth the expense and emotional toll of litigation?

In many cases, the answer is no. The one-year separation and no-fault divorce offers a cleaner, more predictable path. But if your spouse has engaged in severe marital misconduct and you have strong evidence, consulting with an attorney about the fault option is worthwhile.

Defending Against Fault Allegations

If you are the defendant in a fault divorce, you have the right to contest the allegation. You can file a counter-affidavit denying the grounds. If the plaintiff cannot prove the ground by a preponderance of the evidence (or clear and convincing for adultery), the court cannot grant the fault divorce. You can also pursue a no-fault divorce yourself by establishing the one-year separation, which may become the faster path.

Statutory content on this page was last verified against Pennsylvania statutes (23 Pa.C.S.): March 2026 . If you are reading this significantly after that date, confirm key provisions with current statute text or contact our office.