Information Holdings Inc. is the parent company of such IP-service companies as TRADEMARK.COM, MICROPATENT, AURIGIN and MASTER DATA.  According to printed reports in the Wall Street Journal, it may be putting itself up for sale.  Thomson, parent of T&T, was identified as a potential bidder.

Google news coverage here, IHI press release here.

Trademark.com (and Trademarks.com) here.