Phil O'Beirne is a trial attorney with experience handling complex civil and criminal litigation. He has served as counsel for corporations and individuals in complex commercial disputes, construction litigation, corporate compliance and FCPA matters, products liability, patent licensing, white collar criminal defense, and other matters.
Prior to joining Stein Mitchell Cipollone Beato & Missner LLP, Phil was a litigation associate at Williams and Connolly, LLP, where he assisted in all aspects of litigation.
Prior to entering private practice, Phil served on active duty as a judge advocate in the U.S. Army. He spent the bulk of his time in the JAG Corps as a prosecutor, serving as lead counsel in more than a dozen courts-martial. In 2009, Phil deployed to Kandahar, Afghanistan with the 82nd Combat Aviation Brigade. As the brigade’s trial counsel in a deployed environment, Phil was responsible for advising commanders on complex rules of engagement, international law, and criminal law issues.
Following his deployment, Phil became the Chief of Criminal Law in Fort Belvoir VA, supervising the prosecution of all criminal matters for a garrison of 22,000 personnel. In addition to these duties, he was individually selected by the Military District of Washington to prosecute high profile senior officer misconduct cases.
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