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There's no doubt that patent trolls exist. eDekka, widely considered one of the top patent trolls, sued 101 companies in 2015, 55% of which are considered small businesses under SBA regulations ('''Endnote: eDekka considered top patent troll by Unified, and the percentage is based on the 92 companies we could find information on and classify'''). Compare this to '''find data for another company that is definitely not a patent troll, perhaps Apple?'''. As of December 2015, eDekka had sued over 200 companies over for infringing upon the US Patent no. 6,266,674 "Random Access Information Retrieval Utilizing User-Defined Labels". 168 of these cases were later thrown out by US District Judge Rodney Gilstrap, who wrote that the "strikingly similar lawsuits" demonstrate "an aggressive strategy that avoids testing its case on the merits and instead aims for early settlements falling at or below the cost of defense" [http://arstechnica.com/tech-policy/2015/12/in-a-first-east-texas-judge-hits-patent-troll-with-attorneys-fees/].