The EU’s proposal to speed up generic and biosimilar market access by expanding the “Bolar exemption” to pricing and reimbursement procedures raises significant international IP law concerns, as it is probably incompatible with its obligations under the WTO Agreement on Trade-Related Aspects of Intellectual Property Rights (TRIPS). Maarten Meulenbelt, Chris Boyle, Lauren Shapiro, Maryanne Kamau, and Alix Vermulst explain.