Marathon Law Group has over 40 years of local courtroom experience and has practiced law in virtually every Clark County court. Marathon Law Group has over 40 years of local courtroom experience and has practiced law in virtually every Clark County court. They say that an attorney who does not know their courtroom and/or Judge is the equivalent to a tour guide whose lost with a map: The partners of the firm each have over 13 years of experience in their respective area of law, and they are fully versed with the Las Vegas legal landscape–you can be confident that you are receiving advice that has been garnered by both professional and personal experience when dealing with Marathon Law Group.