Abstract
One of the most debatable issues in biodiversity is access and benefit sharing (ABS), recognized as one of the main objectives of the Convention on Biological Diversity(CBD). The purpose of this study is to provide a comparative analysis of 13 ABS cases to clarify the relation between participated stakeholders and their roles in contracts and benefits shared. In conclusion,the general role of each stakeholder in ABS contracts may influence the determination of the scope of benefits.