Steven D. "Steve" Wangerow

Mark Cantor specializes in trademark litigation and has tried various cases involving patents, trademarks, trade secrets, and copyrights. Mark is one of the founders of the firm and has been with the firm as a Shareholder since 1983. He has over 35 years of IP litigation experience. He has extensive experience in dealing with complex litigation matters in all technology areas and has tried cases relating to patents, trademarks, trade secrets and copyrights in state and federal courts and admi...

Michael Costello concentrates his practice in commercial and corporate law and litigation. He provides his clients with deep expertise and insight into a broad range of legal and business issues having served for 23 years as general counsel to a publicly-traded company. Mr. Costello leverages this experience to provide efficient and effective counsel to large businesses in a variety of industries as well as high net worth individuals and their closely-held companies. He frequently advises boa...

Edward Nahhat has over 30 years of experience as an effective adviser and successful trial and appellate lawyer in probate, criminal law, personal injury, real estate, entertainment law, and other general practice areas. He joined Kemp Klein in 2013 as a member of our award-winning Trusts and Estates litigation practice group. Mr. Nahhat delivers effective service to individuals, their families and to businesses of all sizes from a client-centered philosophy of practice. Mr. Nahhat’s cl...

Leslie Banas counsels companies and individuals in business and real estate matters. She assists clients in organizing business entities, acquiring assets, negotiating contracts, and satisfying regulatory requirements. Her clients include entrepreneurial and established companies in the real estate, housing, service, health care, manufacturing, hospitality and other industries. Ms. Banas represents real estate owners and investors in dealing with office, retail, hospitality, industrial and co...

Mr. Gregory’s practice is focused primarily in the areas of ERISA, employee benefits, and executive compensation. Mr. Gregory advises clients on all aspects of employee benefits including qualified retirement plans, welfare plans, and nonqualified compensation programs. Mr. Gregory assists clients with plan design, drafting, and implementation of 401(k), profit sharing, 403(b), 457, and defined benefit plans. Mr. Gregory also provides advice on the design, implementation, and administra...

Daniel L. Villaire Jr. is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Management. Daniel L., who practices law in Birmingham, Michigan, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Daniel L. is held by other top lawyers in the same geographic and legal practice area.

Mark Jotanovic, a registered patent attorney, practices out of the firm’s Troy office. He focuses his practice on intellectual property litigation and patent prosecution involving electrical, electro-mechanical, and software matters. He has worked in a wide range of electrical and computer technologies, including artificial intelligence (focusing on image recognition, machine learning, and neural networks), autonomous vehicles, cloud computing, smart home environments, and product desig...

Bruce W. Haffey is a senior, highly-qualified business and tax lawyer with the firm of Giarmarco, Mullins and Horton, P.C. in Troy, Michigan, and is a member of its Board of Directors. Mr. Haffey practices primarily in the areas of corporate law, commercial transactions, mergers and acquisitions, franchise and distribution law and tax law and for closely-held business clients engaged in a wide assortment of industries. Mr. Haffey represents privately-held business clients throughout the life ...

Rachel Smith has a wide range of knowledge stemming from her extensive experience over the past two decades. With a degree in Electrical Engineering, she focuses on software, supplier, and medical device businesses, aiming to ensure that their IP protection aligns with their business needs and goals. Rachel is a registered patent attorney and focuses primarily on domestic and foreign patent prosecution in the electrical arts. Rachel consults clients from Fortune 500 companies to start-ups. Sh...

Julius H. Giarmarco, J.D., LL.M., is chair of the firm's Trusts and Estates Practice Group. Julius received his law degree from Wayne State University, and his master of laws from New York University. He is licensed to practice law in both Michigan and New York. Julius' primary practice areas include estate planning, business succession planning, wealth transfer planning, and life insurance applications. He is a former instructor in both the Chartered Life Underwriter (CLU) and Certified Fina...