The USPTO is participating the “National Day of Civic Hacking” on June 1st, 2013. According the site, the USPTO seeks useful and innovative tools for using its trademark data:
Help the USPTO develop a tool for identifying and analyzing trademark portfolios on the federal registry and/or the federally registered trademarks used on specific products, in designated industries, or in geographical areas.
For more details, see http://www.hackforchange.org/challenge/uspto-innovation-challenge as well as this blog post from the Acting Under Secretary of Commerce for Intellectual Property and Acting Director of the USPTO Teresa Stanek Rea: Hack for Change
images from http://www.hackforchange.org/