Leon Lawyers

Rebecca Kujawa concentrates her practice in Litigation and Appellate Practice. Rebecca has experience in various types of civil litigation in state court as well as with administrative agencies. Rebecca assists in many aspects of the litigation process, including pleadings, discovery and motion practice. Rebecca received her JD from the State University of New York at Buffalo Law School, where she served as a Publications Editor for the Buffalo Law Review and was awarded the Order of the Coif (highest academic achievement). As a law student, Rebecca also gained extensive insight into civil litigation as a student law clerk to...

In representing clients, I always take the approach to represent a client the way I would want to be represented in his or her situation. I always evaluate, research, investigate and zealously defend a case as the client requests as long as it complies with my ethical duties. Frequently, I compare the attorney-client relationship to that of a taxi cab driver-passenger relationship. The taxi can driver knows the fast roads, best routes and has the skills to get where the passenger needs to go. Like the passenger, the client decides what direction the case goes. I try to do everything...

Daniel S. Gvertz is an attorney in Tiveron Law’s Matrimonial and Family Law department. Mr. Gvertz received his Juris Doctorate from the State University at Buffalo School of Law and his undergraduate degree from the State University of New York at Buffalo. While an undergraduate, Daniel served as the editor of the student newspaper. With more than a dozen years of legal experience, Mr. Gvertz has working knowledge in a myriad of litigation areas, including criminal law, plaintiff’s personal injury, collections, mortgage foreclosure, insurance defense, and family law. This diverse courtroom experience is a true asset to his clients.

Mr. Humble is an attorney at law with the firm of Scott F. Humble, J.D., Esq., and Humble Law Offices. His office is 1 mile outside of Jamestown, N.Y. and is 1 mile from Chautauqua Mall in Lakewood, N.Y. He has spent his life in the Southern Tier and represents people in all courts in both New York and Pennsylvania. He has experience prosecuting personal injury, other civil litigation, getting people debt free, and defending criminal and DWI matters. Mr. Humble is, and always will be, committed to zealously representing his clients with great pride. ...

John I. LaMancuso is a Partner and serves as the Chairman of Lewis & Lewis, P.C. John represents individual, business, and municipal clients in litigation and transactional matters in Chautauqua, Cattaraugus, Allegany, and Erie Counties. In 2019, 2020, and 2021, Super Lawyers named John a Rising Star. To be eligible for designation as a Rising Star, the attorney must be 40 years old or younger and in practice for 10 years or less. No more than 2.5% of lawyers in New York State are designated Rising Stars. John has substantial personal injury experience representing individuals seriously injured in car accidents, work...

ROGER J. YEHL / FORMER CHAPTER 13 TRUSTEE STAFF ATTORNEY Mr. Yehl has now opened two offices in New Jersey while maintaining two office locations in New York. Roger Yehl has been an attorney since 2002 upon his admission to the New York State Bar. In 2004, Mr. Yehl moved to NJ upon his successful completion of the New Jersey Bar Examaination. Mr Yehl began employment in 2004 as a staff attorney to Chapter 13 Trustee, Isabel C. Balboa in New Jersey. At this position, Mr. Yehl refined his skills in Bankruptcy while working on thousands of Chapter 13 Bankruptcy cases over...

I am a partner at Brady & Swenson, P.C. with over twenty years of experience practicing law. I concentrate on personal injury law and municipal law. I have lived in rural Western New York for most of my life and proudly call this area my home. My mission as an attorney is to obtain justice for injured individuals and rural communities in Western New York.

Matthew R. Swenson, Esq. is a partner in Brady & Swenson, P.C. with 25 years of legal experience. He began his career with one of the nation's largest law firms, where he received elite legal training. He has recovered millions of dollars for personal injury clients and gained acquittals in jury trials for clients facing criminal charges. He builds strong relationships with his clients as they pursue justice together.

Dzifa Gan is an Associate Attorney in the firm’s Real Estate Law Department; handling all aspects of residential and commercial real estate. Ms. Gan has varied legal experience having previously worked as a family and matrimonial attorney in London. Her priority across practice areas has always been her clients and ensuring that their needs are met.

Ms. Gan obtained her B.A. in Psychology and concurrently her Bachelor of Laws (LLB) from the University of Western Australia in 2008. Ms. Gan is admitted to practice law in New South Wales, Australia; England & Wales, UK and New York State, USA.

Before joining HoganWillig,...

Nina Juncewicz, Esq. has 25 years experience in representing those internationally seeking to obtain physical access to the United States market for commercial work and/or family reunification. Her experience was developed early as an outstanding scholar for the agency formerly known as INS at the U.S/Canadian border, and later in its Buffalo District Office’s litigation Department. This experience brought her first-hand knowledge of the technical nuances of complex U.S. immigration law and the government adjudication process which experience she uses for her client’s benefit. She later practiced business and family Immigration in a statewide corporate law firm before opening her...

Diane Tiveron is a Partner and the Chairperson of the Corporate & Business Law Department at Tiveron Law 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...

Mr. Johnsen is an attorney at Tiveron Law 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...

Jeffrey B. Novak is an attorney practicing in Tiveron Law’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...

Michael T. Benz is an associate attorney in the firm’s litigation department; handling personal injury, medical malpractice, and criminal defense cases. His motto and practice is to prepare every case as though it will be a jury trial; and he is confident that his trial preparation is the key to getting the best result for his clients.

Mr. Benz brings vast trial experience with him to HoganWillig, having tried hundreds of cases as an Assistant Defender at the nationally recognized Defender Association of Philadelphia, before starting his own private criminal defense practice in Philadelphia, Pennsylvania. As a native “Buffalonian” he...

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...

Described by his clients as an attorney of the “highest quality”, Jeff DeFrancisco, Esq. has made a career achieving top results in his field of medical malpractice and personal injury. A few examples of his many great achievements include: PARALYSIS: $10,000,000 jury verdict following a 3-week trial against 3 defense lawyers for a case where an individual became paralyzed due to medical malpractice. BRAIN INJURY: $17,500,000 in payments: $3,000,000 cash; $12,000,000 expected payout between a lump sum payment and lifetime monthly payments to an individual who sustained a brain injury; and $2,500,000 in guaranteed lifetime payments to the child of the...

Michael A. Ponterio is a founding partner of Lipsitz, Ponterio & Comerford, LLC. Since 1985, Mr. Ponterio has represented families who have suffered injuries as a result of exposure to asbestos. He also practices in the areas of catastrophic personal injury, medical malpractice, defective products and motor vehicle accidents. Mr. Ponterio has dedicated his practice to securing justice for clients who have suffered catastrophic and life-changing injuries. Since 1985, Lipsitz, Ponterio & Comerford has obtained over one billion in settlements or verdicts on behalf of the firm’s clients. Mr. Ponterio has been representing people suffering from mesothelioma caused by asbestos for...

The attorneys at Rosenblum Law have more than 50 years of combined experience handling personal injury cases in both NJ & NY and have office locations in both states.

Experienced and skilled personal injury attorneys, the Firm has a reputation for aggressive representation for victims of personal injury including those injured in car accidents, medical malpractice, construction accidents, and those injured by faulty products and medicines.

Regardless of how simple or complicated the case, the Firm has helped thousands of clients get excellent results. The attorneys at the Firm pride themselves on giving an honest evaluation of the case,...

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...

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...

Kenneth Olena has worked for the last 35 years as a family law practitioner. He specializes in divorce proceedings, ranging from small to multi-million dollar settlements. Since 1981, Kenneth has practiced across upstate New York and predominantly in the Western New York region, helping clients with over a thousand divorce cases; prior to his work at Tiveron Law, Mr. Olena also provided excellent support to clients with Siegel, Kelleher & Kahn for more than 21 years. With expertise, he has handled actions of varying financial complexity involving difficult custodial battles, hardships regarding property ownership, and management of clients' personal businesses...

With nearly three decades of experience practicing Bankruptcy law and Social Security law in Buffalo, Paul Pochepan is able to help consumers facing financial hardships and disabled individuals and their dependents. He has helped many Western New York consumers navigate the bankruptcy system under chapter 7 or chapter 13. He also helps Buffalo-area residents apply for Social Security Disability (SSD) or Supplemental Security Income (SSI) or appeal Social Security Administration decisions denying, reducing or revoking benefits. He has accumulated a wealth of knowledge regarding the multiple medical impairments afflicting disability claimants and dealing with the medical profession to secure the...

Kevin Mahoney received his B.A., Ed.M and J.D. all from the State University of New York at Buffalo. As a member of Tiveron Law's Family and Criminal Law Departments, Mr. Mahoney regularly assists individuals who are in a very difficult time of their lives. He believes it is his task to calmly offer skilled advice and perspective during what is often a difficult or emotionally charged situation. In the area of family law, Mr. Mahoney and his colleagues assist individuals with family court proceedings which most commonly involve custody/visitation and/or paternity and support proceedings. They also assist individuals in all aspects...

The first-generation son of immigrants, Matthew Borowski is a knowledgeable and compassionate lawyer. He has been featured on news media outlets including CNN, NBC, ABC, and The Buffalo News for his asylum and refugee work. Matthew is licensed in both the U.S. (New York) and Canada (Ontario). Borowski Witmer Immigration Lawyers has locations in Buffalo, NY and in Springfield, VA. He is well-versed in immigration matters including deportation defense, family and business immigration including NAFTA/TN visas and rehabilitation/waivers, federal criminal defense, and post-conviction relief. He appears before Immigration Courts, the Board of Immigration Appeals, USCIS, New York state courts and...

Chris O'Brien is one of WNY's most experienced and successful trial lawyers. He has built a reputation over thirty years of being client-focused. Having taught both locally, nationally and internationally, Chris brings the latest and most effective trial tactics to every case, resulting in more than 98% of his cases settling before trial. He never charges for an initial appointment and takes the time to explain the law to all of his clients.

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...

40 years experience, the last 25 of which have been devoted exclusively to matrimonial and family law, including appeals, division of retirement plans, and high net worth matrimonial matters. I have been a frequent speaker at continuing legal education programs for local and NYS Bar Association programs as well as for judges.

Nicholas A. Taylor is an Associate Attorney in HoganWillig’s Corporate and Business Department, handling contract formation and enforcement, corporate matters regarding formation, restructuring, and dissolution, and issues regarding commercial leasing of property.

Prior to joining HoganWillig, Mr. Taylor practiced insurance defense litigation, representing insurance carriers, employers, and third party administrators in workers’ compensation proceedings throughout Western New York.

Mr. Taylor graduated from Penn State Law at Pennsylvania State University and is an inducted member of the Woolsack Honor Society, which recognizes academic excellence. He is admitted to practice law in New York and is a member of the New York State and...

John Ned Lipsitz is a founding partner of the Buffalo, New York law firm of Lipsitz, Ponterio & Comerford, LLC. He has represented workers suffering from industrial diseases, including asbestosis and mesothelioma, since 1985. From 1981 through 1985, Mr. Lipsitz served on the clinical faculty of the Buffalo Law School of the State University of New York, where he instructed students in professional legal representation of consumer debtors, occupational safety and health law, constitutional rights and habeas corpus, and where he taught Research and Writing and Legal Ethics. Between 1979 and 1981, he was a staff attorney at the...

Jessica Peraza is Counsel working with the firm’s Trusts & Estates Department. She focuses her practice on Estate Planning and Administration, Medicaid and Long-term Care Planning, and Wealth Management. As a law student, she interned for the Hon. Barbara Howe in Erie County Surrogate’s Court and worked in the Public Benefits Unit of Neighborhood Legal Services. Her previous experience includes residential foreclosures, public and private sector labor law, contract negotiations, probate matters, third party credit collections, and representation of clients in administrative hearings and arbitrations. Ms. Peraza attended St. Lawrence University in Canton, New York where she graduated with a...

My practice pattern at the Cimasi Law Office is focused on DWI, criminal defense, and traffic matters (e.g. speeding, mechanical violations, unlicensed operation, etc.) in courts across Western New York. I also represent clients on parole violations and landlord-tenant matters. I am a highly meticulous and diligent practitioner who seeks to provide dedicated service to each client, regardless how big or small the matter. I am always available by phone, and there is no fee for initial consultations.

I also teach courses in sociology and legal studies to undergraduates at the University at Buffalo ("UB") and Buffalo State College....

Adela graduated summa cum laude from the University of Pittsburgh with a triple major in Health Services, Administration of Justice and Communications. She obtained her J.D., cum laude from the University of Pittsburgh School of Law, with certificates in Civil Litigation and Health Services.

Following graduation, Adela spent almost three years in Boston, Massachusetts representing clients in a variety of matters, including personal injury, summary process, contract disputes, and class action cases. In 2017, she moved to Buffalo, New York where she concentrated her practice in litigation, medical malpractice defense, nursing home defense, employment discrimination defense, and corporate health care matters....

John P. Comerford is a Senior Partner at Lipsitz, Ponterio & Comerford, LLC. He grew up in Lewiston, New York, a small historic town near the Canadian border. He grew up in the shadows of Love Canal and personally observed the consequences of environmental pollution. He attended Cornell University and studied Environmental Science. Mr. Comerford devotes the majority of his time to asbestos personal injury matters. He has litigated cases throughout Upstate New York in cities which include Buffalo, Niagara Falls, Rochester, Syracuse, Albany and Binghamton. Over the course of his career, he has helped hundreds...

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...