Today, I just thought to recheck the availability of domain names suggested by me in all of the contest, participated till date.
And surprised to see that 4 domain names of 4 different contests had already been registered (out of these 4 contests, 2 were contests in which winners have yet to be finalized).
Though, in all of the cases, I could not able to establish the relation between CH and Registrant.
Is there anybody else who has faced the same kind of problem? And, if somebody has any solution as how to protect our Intellectual property?