About J. John Sebastian Esq., Criminal Defense Lawyer

 The Law Office of J. John Sebastian is a full service criminal defense firm committed to aggressively advocating for the rights and interests of our clients. Based in Buffalo, the office is proud to serve the Greater Buffalo Area and all of the surrounding Western NY  counties.


J. John Sebastian is a native of New York State . He was born and raised in the NYC metro area.  After graduating from law school and passing the NY  Bar Exam, J. John Sebastian gained valuable criminal law experience by serving as an Assistant District Attorney.   He prosecuted thousands of cases in felony and misdemeanor courts.  He litigated cases in some of the busiest courts in the State of New York.

 J. John Sebastian fights for the rights of his clients with intensity, dedication and persistence, using the insider knowledge he gained as an Assistant DA to win the best outcome in all of his cases.

Subpages (1): Practice Areas