Can Disney buy back Winnie the Pooh?

Could you elaborate on the potential implications and feasibility of Disney potentially acquiring the rights to Winnie the Pooh? Is there any precedent for such a move in the entertainment industry, and what challenges might Disney face in attempting to repurchase the beloved character's intellectual property? Additionally, what would be the potential benefits or drawbacks for both Disney and the current rights holder of Winnie the Pooh if such a deal were to take place?