The advent of the electronic health record (EHR) raises many questions regarding its adoption and its added value for patients, clinicians and the entire healthcare system. Based on the results of a participatory project that brought together citizens and experts, we show that the EHR should be understood as a collective and evolving project serving public health objectives, and that both patients and healthcare professionals should contribute to its development. Therefore, this common project represents a significant opportunity to strengthen the patient-professionals partnership.