Aaron Fellmeth has studied international law from an interdisciplinary perspective since 1991. His research and teaching focus on international law jurisprudence and the formation of rules of customary international law in contested subjects, such as evolving human rights issues, espionage and covert action, psychological manipulation, conventional and asymmetrical armed conflict, and the internationalization of intellectual property rights. Professor Fellmeth also is a leading expert on the law and regulation of international business transactions and intellectual property with a special focus on patent law and technology. He teaches Public International Law, International Business Transactions, Research Methods in International Law, and Patent Law.

Professor Fellmeth's work has been cited several times by federal courts and in testimony before Congress. He has served as an Executive Advisory Committee member of International Legal Materials and is currently chair of the International Law Association (American Branch) International IP Law Committee.  In 2005, he was awarded the Lasswell Prize for Best Policy Sciences Paper.

Before coming to ASU, Professor Fellmeth clerked for the Office of the General Counsel of the U.S. International Trade Commission and at the United Nations Office of Legal Affairs. He then spent seven years at international law firms practicing international business transactions, public international law, and intellectual property law.