Most clients include a non-compete clause in their contract with Duck Image to protect themselves should the partnership come to an end. These typically state that Duck Image will not do design work for a competitor within two years of the termination of their contract.
為了建立互信，許多業主會要求與大可簽立「競業條款」，約定即使年度合約解除後，兩年內不得承接同業的設計案。「不是所有設計都能用後端產品賣得好不好來界定成敗，正如廣告，工業設計的效果也很難測試。」