9. The system as claimed in claim 8 , wherein the electronic pen device is the electronic pen device of claim 1 .
9. The system as claimed in claim 8 , wherein the electronic pen device is the electronic pen device of claim 1 . 14. The system as claimed in claim 9 , wherein said electronic pen device is further configured to receive through said data network an invitation from another user to sign a document comprising a unique document identifier, to communicate a message about said invitation to said user in possession of said electronic pen device, to capture a signature handwritten by said user in association with said document and to transmit said handwritten signature to said remote secure server along with said unique document identifier via said data network for storage inside said signature registration database.