Daniel K. Morris

Mark Molloy is a litigation partner, based in Buffalo, who works across Nixon Peabody’s New York state offices. He represents companies and individuals in government investigations and white collar criminal matters, as well as represents companies in commercial or employment disputes litigated in state or federal court My focus I focus on representing companies in complex disputes, either before or during litigation. My primary practice centers around defending companies involved in emp...

Patrick C. O’Reilly focuses his practice on matrimonial litigation, handling all aspects of divorce and separation and representing clients in matters related to the modification or enforcement of existing matrimonial judgments and orders. For more than 25 years, Mr. O’Reilly has served as a panelist and speaker on matrimonial and family law topic for numerous seminars, workshops, and symposiums sponsored by the American Academy of Matrimonial Lawyers, New York State Office of Cou...

William Moore is a senior partner of the firm and represents individuals who have suffered serious injuries. He has a reputation for being an aggressive advocate and for being highly accessible and responsive to his clients. Mr. Moore has extensive trial experience in both state and federal courts. Many attorneys, both locally and out of state, refer their cases to Mr. Moore. Doctors also frequently refer their injured patients to him. Mr. Moore has been named to The National Trial Lawyers: T...

Attorney Katherine Liebner focuses her legal practice in the areas of estate planning, estate and trust administration, and labor and employment law. She also handles appellate matters across a wide spectrum of practices. Estate Planning Kathy works closely with her clients to navigate the many nuances of proper estate planning. She has extensive experience working with clients on all levels of estate planning, including: Preparing Wills Drafting Powers of Attorney Drafting Healthcare Proxies...

Jeff joined this firm in 1993 and became a partner in 1994. He is a lifelong resident of the Olean area and an Olean High School Graduate. Mr. Black obtained his Bachelor of Science Degree from St. Bonaventure University in 1990 and graduated cum laude from The Dickinson School of Law (Penn State) in 1993. While in law school he was a member of the Dickinson Law Review and his case note was published. He was also a member of the Woolsack Honor Society. Upon graduation from law school, Mr. Bla...

Vincent E. Doyle III is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation. Vincent E., who practices law in Buffalo, New York, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Vincent E. is held by other top lawyers in the same geographic and legal practice area.

Richard P. Weisbeck, Jr. is a senior partner of the firm. For over 25 years, he has focused his practice in the area of personal injury law, including construction accidents, workplace injuries, automobile accidents, defective products/products liability, slip and fall accidents, and amputations. Numerous local attorneys refer their complex cases to Mr. Weisbeck. His experience in resolving difficult matters as well as his nationally recognized litigation and trial skills are essential for su...

Nick's broad-based litigation and trial practice includes criminal defense, civil litigation, personal injury, medical malpractice, legal malpractice, and professional discipline. Nick graduated magna cum laude from the University at Buffalo School of Management with a Bachelor of Science in Business Administration, and earned his J.D. magna cum laude from the University at Buffalo Law School. While in law school, Nick was selected to the Buffalo Law Review and in his second year was elected ...

John K. Rottaris concentrates his practice in the areas of commercial and business litigation, creditors’ rights, commercial collections, landlord-tenant law, bankruptcy law and tax certiorari. He also represents manufacturers and manufacturers’ sales representatives in commission and contract disputes. John has represented clients in all phases of trial and appellate practice before local, state and federal courts, as well as alternative dispute resolution forums. He has extensiv...

Terrence M. Connors has been recognized by his peers as one of the pre-eminent trial attorneys in the state. For the past seven years, he has been ranked as the number one lawyer in all upstate New York by Super Lawyers magazine. This year, the Erie County Bar Association named him Lawyer of the Year and, in 2006, the New York State Bar Association awarded him the prestigious Attorney Professionalism Award. He is a fellow of the American College of Trial Lawyers. Membership in that organizati...