World Orphan Drug Congress USA 2026 will take place from 9th - 11th June 2026 at Boston Convention and Exhibition Center in Boston, Massachusetts, United States. This is a major event for anyone involved in rare diseases and orphan drugs. It focuses on rare diseases and orphan drugs, bringing together various stakeholders including pharmaceutical companies, patient advocacy groups, and regulators. It is expected to attract over 2,000 attendees from the pharmaceutical and biotechnology industry, government and regulatory authorities, patient advocacy groups, payers, investors, and solution providers.