Main Menu
Photo of Diane R. Tiveron

Diane R. Tiveron

Managing Partner, Corporate & Business Law Chair


Diane R. Tiveron has practiced corporate and business law since admission to the New York State Bar in 1990. She received her J.D., cum laude, from the State University of New York at Buffalo Law School and her B.A. in economics and political science from Canisius College, magna cum laude. Recently, in continuing her education, she has successfully completed her Mini-M.B.A. Certificate through Canisius College.

Ms. Tiveron has been with the firm for over twenty-seven years. In addition to managing the firm, Ms. Tiveron also is the head of HoganWillig's Corporate & Business Law Department. She 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.  She provides practical strategies attuned to the unique needs of each client. She also frequently advises clients in Landlord/Tenant matters and has presented a number of seminars in this area of law.

Ms. Tiveron also counsels individuals with bankruptcy issues (Chapter 7 and Chapter 13) and assists many creditors with protecting their rights in bankruptcy. She is able to provide assistance to creditors with their general collection needs as well as provide troubled businesses advice and counsel. Additionally, she oversees the representation of an automobile lender statewide.

In partnership with our Litigation Department, Ms. Tiveron engages in civil litigation in all courts in Western New York with regard to commercial issues such as breach of contract, fraud, collections, foreclosure and business disputes. In addition, she coordinates the firm's per diem assistance to law firms and attorneys outside the area.

Ms. Tiveron has been voted an Upstate New York "Super Lawyer" in the area of Business/Corporate Law and Business Litigation every year since 2007. She has also been selected as one of Western New York's Legal Elite Leaders in Business law for both 2014, 2015, 2016, 2017 and is listed as "Top Attorney, Business" in accordance with her 10.0/10.0 rating on AVVO.

She has served as President of the Board of Directors for Amherst Meals on Wheels and on the Board of Trustees Member of Cardinal O'Hara High School; as Past Vice President and Board Member for Southeast Works, a local not-for-profit serving individuals with developmental disabilities. Currently, she serves as Treasurer for GiGi's Playhouse Down Syndrome Achievement Centers and volunteers for the Western New York Food Shuttle.

Diane R. Tiveron
Rated by Super Lawyers

loading ...

10.0Diane R. Tiveron

Honors & Awards

Super Lawyers, Upstate New York Edition, 2007-2022 - Corporate Law

Power 200 Women, Business First of Buffalo, 2022

Who's Who Among Executive Women, Business First of Buffalo, 2002

The Best Lawyers in America, Corporate Compliance Law, 2022

Legal Elite of Western New York 2014, 2015, 2016, 2017 - Legal Leader


Email Diane

Type the following characters: romeo, papa, whisky, foxtrot


1. Your message does not create an attorney-client relationship. After reviewing your message, we may or may not be willing or able to represent you. No attorney-client relationship can exist unless we contact you and, after discussing the matter further, you and the firm agree to the terms of representation.

2. Because of the inherently insecure nature of the Internet communications, you should not transmit confidential information by email.

* Indicates a required field.

Professional & Community Activities

Professional & Community Activities

Bar Association of Erie County, Member

New York State Bar Association, Member

Women's Bar Association of the State of New York, Western New York Chapter, Member

Southeast Works, Inc., Past Vice President and Member, Board of Directors

Amherst Meals on Wheels, Past President, Board of Directors

Cardinal O'Hara High School, Past Member, Board of Trustees

Food Shuttle of Western New York, Volunteer

UB Law Alumni Board, Member

GiGi's Playhouse Down Syndrome Achievement Centers, Treasurer



Seminars & Speaking Engagements

Social Media

Blog Posts


  • New York State, 1990
  • U.S. District Court, Western District of New York
  • U.S. Court Appeals, Second Circuit
  • Bankruptcy Court, Western, Eastern and Southern Districts of New York
  • U.S. Tax Court
  • Peacemakers Court, Seneca Nation of Indians


J.D., 1989, State University at Buffalo School of Law, cum laude

  • Law Review Note and Comment Editor

B.A. in Economics/Political Science, 1986, Canisius College, magna cum laude

Mini-M.B.A., Canisius College 

Back to Page