hello nurdin. It would be far better if IIR were to settle out of court than go through the expensive litigation route. Even if they did settle amicably the amount received, as I understand it, would only be around 1/200 of the revenue through GMail.
Nominet who decide who owns the intelectual property rights have a strange habit of assigning the rights to the big players, even though they have not been the first to register that specific web domain name.