Repeat Senders

wseltzer on January 12, 2010

Chilling Effects receives notices from several sources, but lately, the largest sources have been Internet hosts and search engines who pass on the they receive and respond to: Google, Yahoo, Digg, and most recently, Twitter. (Combined DMCA takedowns totaled 11,500 between Jan 1 and Dec 15, 2010)In that mix, we see some frequent users of the DMCA takedown process, companies and individuals who have sent multiple notices requesting removal of content -- or links to content -- they allege infringes their copyrights. We have also seen the rise of takedown agents, entities who send notices on behalf of one or more clients. The list below shows the 20 most frequent sender-principals from 2010, and the 10 most frequent agents.Principals: