Joss Legal Perth Family Lawyers Meet the team that brings you Joss Legal. Founded by Cassandra Joss, a lawyer passionate about changing the way that you get legal assistance, and really getting the best outcome for her clients. Our staff are experienced in the areas of Family Law, Wills & Estates. Focusing on only these areas of law mean we can help you with your legal issue no matter how complex it is. We can help you with all of your Family Law, Wills & Estate Needs.Our 21st Century approach to providing legal services mean that you both save money and get more sophisticated advice in a more timely manner. We offer Skype appointments, telephone appointments and can provide you legal advice online..