An asbestos lawsuit is one in which an individual files for legal action against an individual, business or other entity in which they believe they have been illegally exposed to asbestos, a highly toxic mineral that leads to the inhalation of small particles that attach to the outer lining of the organs. In this type of lawsuit, it is essential for the attorney to prove that the condition was caused due to the negligence of the other party. This can be difficult. Attorneys must prove that the existence of asbestos was known and that proper precautions were not taken to rectify the situation. An asbestos lawsuit is often best handled by professional attorneys specializing in this area of the law.