Common Mistakes in EU Regulatory Filings and How to Avoid Them: A Practical Guide for EMA and NCA Submissions EU Filing Errors That Cost You Time—And How to Engineer Submissions That Pass First Time Misreading the EU Architecture: Treating “EU” as One Door Instead of a Network One of the most expensive mistakes teams make is assuming the European Union has a single operational doorway for medicines. Yes, the centralised procedure coordinates scientific assessment for many products, but implementation, pharmacovigilance enforcement, blue-box particulars, and artwork approvals live with National Competent Authorities (NCAs). For decentralised (DCP) and mutual recognition (MRP) routes,…