JWT GROUP <JWT> SUES WPP GROUP PLC JWT Group Inc said it filed a suit against <WPP Group Plc> to enjoin the company from continuing its tender offer. The company said it charged that former JWT Group unit executive John Peters has breached his fiduciary duty by disclosing confidential information about the company and its clients. The company said the suit, filed in New York State Supreme Court, seeks to halt the "ongoing misuse and misappropriation of highly confidential and proprietary information concerning JWT and its clients. The defendants in the suit are WPP Group and its units and Peters, who until January 29 was a director of J. Walter Thompson Co, JWT Group's main subsidiary and its president and chief operating officer. JWT said it asked the court to enjoin the defendants from acquiring any further JWT stock, make them return all confidential and proprietary information and to disgorge all profits or other gains. The company said it also asked the court to award JWT unspecified damages.