On Parallel Trade and Preliminary Issues – a Healthy Approach to Competition Law Enforcement? Case C-53/03, Syfait and Others v. GlaxoSmithKline plc and GlaxoSmithKline AEVE - Legal Issues of Economic Integration View On Parallel Trade and Preliminary Issues – a Healthy Approach to Competition Law Enforcement? Case C-53/03, Syfait and Others v. GlaxoSmithKline plc and GlaxoSmithKline AEVE by - Legal Issues of Economic Integration On Parallel Trade and Preliminary Issues – a Healthy Approach to Competition Law Enforcement? Case C-53/03, Syfait and Others v. GlaxoSmithKline plc and GlaxoSmithKline AEVE 33 1 Legal Issues of Economic Integration