Sean D. O'Brien

Sean D. O'Brien is a patent litigation attorney with a practice focused on enforcing intellectual property rights, particularly on the plaintiff side. His technical background in fluid and thermal engineering, combined with his legal expertise, allows him to navigate complex technologies. His experience includes matters related to software and digital rights management, as evidenced by his representation of Uniloc USA, Inc..

Throughout his tracked appearances, Mr. O'Brien has exclusively represented plaintiffs, with all three recorded instances on behalf of Uniloc USA, Inc., a known patent assertion entity. His firm affiliations during these patent litigation matters included Trodella & Lapping, where he served as lead counsel, and O'Brien & Module, where he acted as counsel. He is currently a Partner at Miller Nash LLP.

Among his notable cases, Mr. O'Brien was involved in Uniloc USA, Inc. et al. v. Electronic Arts, Inc., where a federal jury awarded Uniloc over $4.86 million for the infringement of an anti-software piracy patent. He also advised and represented Uniloc USA, Inc. in Uniloc USA, Inc. v. Symantec Corp. et al.. Beyond district court litigation, Mr. O'Brien advises and represents clients in post-grant review (PGR) and inter partes review (IPR) patent proceedings before the Patent Trial and Appeal Board (PTAB).

Mr. O'Brien earned his J.D. from Loyola Law School in 2005 and holds a B.S. in fluid and thermal engineering from Case Western Reserve University (1995). He is admitted to practice in Oregon (2014), California (2005), and before the U.S. Patent and Trademark Office (2002).