This article on Product Backlog refinement shows that Refinement is more than just a meeting where the whole Scrum Team is having a discussion. It requires and involves everyone with shared and special responsibilities. It’s easy to lose sight of the importance of Product Backlog refinement because of your focus on the Sprint. But making time for healthy Product Backlog Refinement makes way for an awesome collaboration and teamwork, building a product that customers really enjoy!
Read the complete article from Jasper Alblas here: https://www.scrum.org/resources/blog/scrum-trenches-product-backlog-refinement-scrum-team-responsibility