[elmuchoprez]

Liability would almost certainly be yours alone. The passenger who reclined their seat was using the seat as it was intended, so there is no offense there. The airline would likely argue that they never made any guarantees as to the protective nature of that pocket, nor did they tell you to put your laptop in there.

[qwerta]

I would argue that airline has responsibility. They explicitly allow laptops use and even provide tables and sometimes wifi.

[sliverstorm]

Ah, so because laptop use is allowed on the plane, if your laptop is damaged under any circumstances for any reason, they are complicit and liable.