The Thomson Corporation yesterday announced that it had acquired Global Securities Information, owner of LIVEDGAR, a Web service for searching and delivery of EDGAR filings and other SEC information. GSI will become part of Thomson West, publisher of Westlaw. The announcement says:

“The acquisition will enable West to satisfy the currently unmet needs of transactional attorneys – those involved in work such as mergers and acquisitions, real estate and securities transactions. Moreover, the acquisition will further strengthen and deepen West’s relationships with large law firms, the company’s largest customer segment.”