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| Chilling Effects Clearinghouse > DMCA Notices > Weather Reports > Repeat Senders | 
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|  Repeat SendersWendy Seltzer, Chilling Effects Clearinghouse, December 15, 2010 Abstract: In the last year, Chilling Effects saw more than 12,000 cease-and-desist notices reported. Over the next few weeks and into 2011, we will be doing preliminary analysis of patterns in those notices. We are also preparing the data to be more easily usable by other researchers. In this post, I look at repeat senders -- individuals and entities who send frequent DMCA takedown notices. Chilling Effects receives notices from several sources, but lately, the largest sources have been Internet hosts and search engines who pass on the DMCA Notices 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: number Sender: type Agents: Removeyourcontent, LLC While the mix changes over time, the most frequent senders of DMCA takedown notices remain the music industry, whose institutional members have sent a combined total averaging roughly 5 takedowns a day.
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