https://fightcopyrighttrolls.com/2015/07/09/marc-randazza-mu... http://arstechnica.com/tech-policy/2015/11/how-copyright-law...
(ransomware, even - of the 'pay me $4k within 30 days or I'll disable your computer' variety...it doesn't get any more scummy)
In fact, I have found him to have nothing but contempt for copyright and patent trolls. Righthaven, in fact, was taken down in no small part due to his work.
http://vegasinc.com/business/legal/2012/mar/14/r-j-copyright...
(He and Ken White of Popehat are mentioned in the articles, and Marc's twitter feed mentions this breif)
I'm nosey and genuinely curious by the way, this is in no way internet snark.
What I can say is that he is a brilliant First Amendment lawyer and we are very satisfied with his services.
Disclosure: I founded the LCS, directed our participation as amicus in this case, and am press contact for this issue. Marc Randazza wrote the awesome amicus brief (linked in OP) pro bono.