its quite difficult to keep a track of all pokes i lend to other players. Sometimes i worry if i traded instead of lend when i find some pokes missing in my PC. If it showed somewhere which pokes i lended, to whom and when it will return it would be great. This data can be shown somewhere in the PC, or the 

Hope other players could relate to this issue. 

It's a good idea, dunno about the feasability, but we could have the lent poke still in our pc but with the same locked status as when they are region locked for instance.

Or, a npc in celadon office (or any other place) that give you the timer on all your lent poke

Hello, that is definitely something we can implement in the future once we rework the Social Tab. However, it might take some time.

Hello, with the next client update, there will be an option to view currently lent Pokemon, and the remaining time.