Our Philadelphia County contract lawyers work closely with our clients to build long-lasting relationships and provide expert legal counsel. The basic principle of Australian contract law is freedom of contract, under which parties are at liberty to strike whatever bargain they choose.Ensure your business is protected with the help of our experienced Philadelphia contract lawyers. Call us today at (215) 253-7500. This site is designed to provide an introduction to Australian contract and consumer law. Helping clients succeed every day. Cooley offers our US clients the ability to pay invoices online via a secure payment portal. Our contract dispute law firm will try our best to meet your best interests. Ability to the sale of the product for the compensation named in the contract.