This evidence brief and the stakeholder dialogue it was prepared to inform were designed to guide the actions of those involved in strengthening public and patient engagement in HTA in Ontario. In this section of the brief, we propose key definitions to ensure a common conceptual understanding. We also highlight key goals for public and patient engagement in HTA, as well as describe the health policy and HTA context in Ontario. The second section focuses on the key challenges associated with strengthening public and patient engagement in HTA, with an emphasis on the Ontario context. In the third section we propose three elements of a potentially comprehensive approach to address the problem. Lastly, we highlight key implementation considerations for moving forward.