John B. Draper has 35 years experience representing States before the U.S. Supreme Court, Federal and State courts and before State agencies in natural resources disputes. John is ranked Band 1 for Water law by Chambers USA 2022-2023, who identify him as "a very experienced litigator."
Matthew E. Draper is an experienced international arbitration advocate, arbitrator and litigator. He is recognized by Chambers USA 2022-2023 "as a smart, affable and serious arbitrator," and a "great choice for international commercial arbitrations." Who's Who Legal 2024 identifies him as "excellent and practical lawyer" and "a top arbitrator."
Corinne E. Atton is an experienced litigator and patent lawyer. She is recognized as a "Super Lawyer" in Energy & Natural Resources, New York (2026), is internationally recognized in Lexology for Life Sciences (2026), and is recognized by Chambers USA for Water law in New Mexico. She is the co-founder of CIPI (the Climate IP Initiative).
Our attorneys are consistently ranked in Chambers (USA and Global), Lexology (formerly Who's Who Legal), Super Lawyers, and Best Lawyers in America.
U.S. Transboundary
Water Disputes Map
Draper & Draper's compendium of U.S. Supreme Court decisions and compacts regarding water allocation disputes between States.




















