Party and Party Costs – costs incurred while prosecuting or defending a claim in court. They relate only to costs actually associated with a court case. Party and party costs are the costs most often awarded in matters.
Attorney and Client Costs – these costs are punitive in nature as they include not only party and party costs, but costs that are also associated with attendances between the client and the attorney. They are thus more onerous than party and party costs.
Attorney and Own Client Costs – these are costs that are not awarded by the courts. They refer to the costs a client will actually owe their attorney. The costs that a client will need to settle with their attorney – whether or not the matter is successful.