His scholarship focuses on Middle Eastern and Islamic Law, particularly, but not exclusively, as it pertains to matters of commerce. He has called for a reassessment of the manner in which law in the Muslim world is understood and approached, with less reliance on medieval texts and more emphasis on the positive law of the nation states of the Muslim world and on the political, social, economic and ideological influences that influence its interpretation. Professor Hamoudi spent most of 2009 in Baghdad advising the Constitutional Review Committee of the Iraqi legislature, responsible for developing critical amendments to the Iraq Constitution deemed necessary for Iraqi national reconciliation, on behalf of the United States Embassy in Baghdad. He also advised on other key pieces of legislation, including a hydrocarbons law, a revenue management law, and an antitrust law.