[Class : 42] Design, Development And Maintenance Of Proprietary Computer Software In The Field Of Natural Language, Speech, Speaker, Language, Voice Recognition, And Voice Print Recognition; Design, Development, Installation, Maintenance And Research In Relation To Computer Software, Computer Systems, And Consultancy Thereof; Design, Development, Maintenance And Research In Relation To Computer Hardware, And Consultancy Thereto; Saa S Services; Engineering, Research And Consultancy Services Relating To Information Technology; Technological Services In Relation To Chatbots; Scientific And Technological Services And Research And Design Relating Thereto