Q: My MacBookPro is locked via find my Mac by another person I need to unlock it , Serial number of the Mbpro: C02JJ0LXDTY4

If a second-hand iOS device has been 'Activation locked' then only the previous owner can unlock it, either by providing you with the account ID and password, or by removing it from his list of devices (as he should have done before selling it) - please see http://support.apple.com/kb/ts4515

If you are unable to contact him to do this then I'm afraid you will not be able to use the device - there is no other way of unlocking it at all. Apple cannot unlock it for you.

You should if possible return it to wherever you bought it and ask for a refund as in this event the device is completely useless.

My MacBookPro is locked via find my Mac by another person

Roger's answer is also correct for the Activation Lock on your MacBook Pro, not only for iOS devices.

There is no way to unlock a locked MacBook Pro locked by the owner. Return it to the person you purchased it from to have it unlocked.

Thanks, Léonie, I should have modified the boilerplate.

No problem