Marsteller Divorce & Family Law Lawyer, Pennsylvania

The act of inciting another person to do a particular thing. In a fault divorce, provocation may constitute a defense to the divorce, preventing it from going through. For example, if a wife suing for divorce claims that her husband abandoned her, the husband might defend the suit on the grounds that she provoked the abandonment by driving him out of the house.

In some states, a type of marriage in which couples can become legally married by living together for a long period of time, representing themselves as a married couple and intending to be married. Contrary to popular belief, the couple must intend to be married and act as though they are for a common law marriage to take effect -- merely living together for a long time won't do it.

The voluntary abandonment of one spouse by the other, without the abandoned spouse's consent. Commonly, desertion occurs when a spouse leaves the marital home for a specified length of time. Desertion is a grounds for divorce in states with fault divorce.

The legal authority to make decisions affecting a child's interests (legal custody) and the responsibility of taking care of the child (physical custody). When parents separate or divorce, one of the hardest decisions they have to make is which parent will have custody. The most common arrangement is for one parent to have custody (both physical and legal) while the other parent has a right of visitation. But it is not uncommon for the parents to share legal custody, even though one parent has physical custody. The most uncommon arrangement is for the parents to share both legal and physical custody.

In most states with fault divorce, grounds for a spouse not in prison to obtain a fault divorce if the other spouse has been imprisoned for a certain number of years.

A person who initiates a lawsuit. A synonym for plaintiff, used almost universally in some states and in others for certain types of lawsuits, most commonly divorce and other family law cases.

A separate court, or more likely a separate division of the regular state trial court, that considers only cases involving divorce (dissolution of marriage), child custody and support, guardianship, adoption, and other cases having to do with family-related issues, including the issuance of restraining orders in domestic violence cases.

The right and obligation to make decisions about a child's upbringing, including schooling and medical care. Many states typically have both parents share legal custody of a child. Compare physical custody.

Latin for 'friend of the court.' This term describes a person or organization that is not a party to a lawsuit as plaintiff or defendant but that has a strong interest in the case and wants to get its two cents in. For example, the ACLU often submits materials to support a person who claims a violation of civil rights even though that person is represented by a lawyer.