John P. Sinnott practices in patents, trademarks, and copyright law with the law firm of Langdale, Vallotton, Linahan and Wetherington (Valdosta, GA). He is a 1953 graduate of the United States Naval Academy and has both a Master's Degree in Nuclear Engineering from the U. S. Air Force Institute of Technology and a Juris Doctorate degree from Northern Kentucky University's Salmon P. Chase School of Law. As Chief Patent and Trademark Counsel for American Standard, he prosecuted and argued to a successful decision the landmark case In Re American Standard. On retirement from American Standard, he became Of Counsel to the Manhattan intellectual property law firm of Morgan & Finnegan, L.L.P. In 1999, Col. Sinnott moved to Valdosta, Georgia, and became Of Counsel to the firm of Langdale, Vallotton, Linahan and Wetherington.
In addition to his legal duties, Col. Sinnott is the author (1974 to 1999) of World Patent Law and Practice, 19 volumes, Elsevier, New York; Product Fraud: Counterfeit Goods Suppression, 1995, Oceana Publication, Inc., Dobbs Ferry; and A Practical Guide to Document Authentication: 2007 Edition, 2006, Oxford University Press, New York. He also authored numerous professional articles published in various intellectual property law journals and, among other talks, lectured in several developing nations on intellectual property law at the invitation of the World Intellectual Property Organization and the respective host nations.
Col. Sinnott was an Adjunct Professor of Law at Seton Hall University's Law School in Newark, New Jersey, for twelve years, and earlier had been an Adjunct Lecturer at New Jersey Institute of Technology, also in Newark, for ten years. In 1991, Col. Sinnott retired from the U. S. Army Reserve's Judge Advocate General's Corps after many years of service.
Col. Sinnott's hobbies include writing on military topics, and he has published the articles "Sea Power", "Military History" and "Military Heritage". He also co-authored the book To Paris!: 1914 Then and Now, 2006 Snake Nation Press, Valdosta, GA.
He is admitted to practice before the Ohio, New York, New Jersey, Georgia, and the United States Patent and Trademark Office bars.
