The Court also discussed how the attorney-client agency relationship can nullify a tortious interference claim against an attorney: In this article, we will explore what tortious interference with contract is, how to prove it, and how to protect your business against such a threat.Malpractice claims can arise at nearly any time in the attorney-client relationship, and involve work performed years before. (g) A lawyer who represents two or more clients shall not participate in making an aggregate settlement of the claims of or against the clients, absent court. Unfortunately some employers and managers interfere with an employee's employment relationship out of sheer malice. It is also an extraordinarily broad. Your Name (required) Tortious Interference with business relationship or reasonable business expectancy.