Clarence Lawyers

Denis has been a lifelong resident of Western New York, a graduate of Kenmore West, High School, a U.S. Naval Aviator, and an attorney for over 40 years.

Vincent G. LoTempio is a Registered Patent Attorney with experience in patent law in both corporate and private practice. His practice focuses on all intellectual property matters including patent, trademark, copyright prosecution and infringement litigation. Mr. LoTempio is a consultant to corporations regarding IP management and strategy. Vincent G. LoTempio has had a varied professional career as a trial attorney, educator, and patent practitioner. He has lectured and taught CLE courses regarding patent and trademark law. Mr. LoTempio is an instructor in continuing education programs and currently teaches a course for corporate R & D employees entitled Patent Fundamentals:...

Jonathan Staehr has been practicing for nearly 20 years in the areas of personal injury, lead poisoning, car accidents, slip and fall, animal bite, real estate, estate planning, and employment law. Jonathan created his boutique law firm with his wife as his partner to serve Upstate New York and help those injured due to the negligence of others.

I have been focused on DWI exclusively for more then 15 years and i have been admitted in 2002. I am a Christian who prays for as many people that i can. I understand the seriousness of you case and your goals and will do everything in my power to help you avoid a bad result and maintain your driving privileges. I graduated from Canisius college in 1992 and Michigan State Law School, in 2002. Student /Military discounts

William A. Lorenz, Jr., joined HoganWillig as an Associate Attorney in the fall of 2013. He currently focuses his practice in the areas of Civil Litigation, Criminal Law, and Real Estate Law.

Mr. Lorenz brings a variety of legal experience with him to HoganWillig, having worked in the areas of civil litigation, criminal practice, family law, intellectual property law, landlord-tenant law, and real estate law. Since admission to the New York State Bar, Mr. Lorenz has appeared in courts in both Erie and Niagara County on various matters, including evictions and civil litigation. Recently, he lobbied in Albany for the Child...

Mr. Johnsen is an attorney at HoganWillig primarily focusing in the firm’s Litigation Department.

While attending SUNY Buffalo Law School, Mr. Johnsen was part of the University’s Consumer Financial Advocacy Clinic and was the recipient of the CALI Excellence for the Future Awards for his work with the program. While in law school, he was a clerk at New Era Cap Co., Inc. Following law school, Mr. Johnsen has gained exposure to several areas of his litigation practice, including special education claims against school districts, employment discrimination claims, general business disputes and work in Erie County Surrogate's Court on contested...

Chair of the largest residential real estate department in Western New York. Extensive third party relocation, REO, commercial and residential lending representation. Recently closed a $3 Million dollar refinance, and a $965,000 commercial purchase secured by properties in Western New York and Florida. Experienced in time share, zoning, land use, condominiums and cooperatives, real estate negotiations and litigation. Voted for inclusion in "Best Lawyers in America" for the past four years.

Brooke Barron is an Associate Attorney in the firm’s Matrimonial & Family Law and Estate Planning & Administration Practice Groups.

Ms. Barron obtained her B.S. in Business Administration from SUNY Geneseo, and received her Juris Doctor in 2018 from American University- Washington College of Law.

While in law school, Ms. Barron was an Alternative Dispute Resolution Competition winner. Additionally, Ms. Barron was a law clerk for Commissioner Feldblum at the Equal Employment Opportunity Commission (EEOC) in Washington, D.C. and a student attorney for American University- Washington College of Law’s Civil Advocacy Clinic. Ms. Barron had also previously been employed at HoganWillig as...

Jeffrey B. Novak is an attorney practicing in HoganWillig’s Litigation Department with a focus on Business & Corporate Law.

Mr. Novak graduated Summa Cum Laude from the University of Buffalo with a major in Political Science and History. He received his legal education from the George Washington University Law School while interning for the Army Environmental Law Division. Mr. Novak also served as a summer Law Clerk for the United States Attorney's Office for the Western District of New York and as a Judicial Intern for the United States District Court for the Western District of New York.

Mr. Novak has experience...

Diane Tiveron is the Managing Partner and Chairperson of the Corporate & Business Law Department at HoganWillig PLLC. With over 29 years of legal experience and a educational background in economics and business administration, Ms. Tiveron assists clients with business formations (sole proprietorship, partnership, corporations, and limited liability companies), acquisitions, sales or dissolutions, as well as the preparation of any commercial document/contract, ranging from an employment agreement to a lease. She counsels non-for-profit organizations on nonprofit law and governance, obtaining and maintaining tax-exempt status and 501(c) classifications.
Ms. Tiveron also advises individuals and businesses with bankruptcy issues (Chapter 7...

Ms. Cronauer is an attorney working with the firm’s Litigation department. She has experience in the full range of client representation including Supreme Court and Appellate oral arguments, complex motion and appellate brief production and representation of clients in mediations, arbitrations and trials.

Ms. Cronauer attended Saint Vincent College in Latrobe, Pennsylvania where she graduated magna cum laude with a bachelor of science in political science and a minor in economics. At Saint Vincent College, she played varsity tennis and was a George Washington Fellow. Following her undergraduate education, she attended Ohio Northern University College of Law from which she graduated...

I founded Corey J. Hogan and Associates in 1975 in Lockport, New York. In 1990, I moved the firm's headquarters to Amherst, New York while maintaining an office in Lockport. In 1998, HoganWillig was established through a merger of The Law Office of Ronald Willig, founded in 1966, and Corey J. Hogan and Associates. I have been in practice for over 35 years since admission to the New York State Bar in 1975. Every year since 2007, I was voted an Upstate New York "Super Lawyer", reflecting the esteem and confidence of the local legal community. As one of...

From New York City originally and now residing and practicing law in Buffalo, New York, Mr. Cohen has been successfully trying civil and criminal cases, including high profile civil rights and constitutional law cases, for over 30 years. In addition to corporate and individual litigation clients, he regularly represents local, state and federal law enforcement officers from various agencies, defending them in civil, criminal and administrative proceedings. Admitted to practice in the States of New York and Pennsylvania, he has been admitted pro hac vice to handle matters in many other states. Mr. Cohen is frequently brought in as...

Scott Michael Duquin focuses his practice on Personal Injury, Medical Malpractice and Civil Litigation. Prior to joining us, Scott spent the first 11 years of his career doing insurance defense. He holds an AVVO Super rating, Martindale Distinguished, and has been named a Super Lawyer in Personal Injury every year since 2013.

Scott has extensive trial and appellate experience representing individuals to multi-national corporations in automobile liability, medical malpractice, products liability, toxic tort and catastrophic personal injury matters. Scott has successfully represented several small business owners in various litigated commercial matters.

In 2016, in a highly publicized case Scott was able to...