Legal services; legal services including legal services in the preparation of applications for trademark registration; trademark maintenance services; trademark searching and clearance services; services in the prosecution and opposition of trademark applications; services in the revocation, rectification, infringement and licensing of trademarks; providing advice and information in the field of intellectual property; providing on-line information in the field of intellectual property; and the provision of the aforesaid services via a telecommunications system or an on-line system, including via a global telecommunications network