The suits are allowed in seven states: Hawaii, Illinois, Mississippi, New Mexico, North Carolina, South Dakota and Utah.
The law allowing such legal action dates back to antiquated times when a wife was considered the property of a husband.
And that's why many legal experts are paying close attention to the Tiger Woods saga. Were any of his "transgressions" with someone who is married?
If so, the jilted hubby might be able to go after the world's richest golfer.
She told the Salt Lake Tribune: 'I just thought it was kind of strange they would put it in Utah. So you're going to put up billboards here so you can meet other white singles?
Every day you can meet white singles.'If it were some type of a hate group that was putting these billboards up, we would take a closer look at the actual target.
Juries in North Carolina have handed out awards in excess of million on multiple occasions.
"If your spouse is going to cheat, you really would like them to cheat with somebody who has a lot of money," says Lee Rosen, a North Carolina divorce attorney who deals with alienation of affection cases on a daily basis.
Atlanta, Georgia (CNN) -- The next time a married man or woman glances your way, you might think twice before acting on impulse and frolicking between satin sheets. They're known as "alienation of affection" suits, when an "outsider" interferes in a marriage.
You, the paramour, can get hit with a lawsuit that could cost you hundreds of thousands of dollars.