David M. Rosenberger

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

Kevin A. Fanning is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation and Litigation - Real Estate. Kevin A., who practices law in Troy, Michigan, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Kevin A. is held by other top lawyers in the same geographic and legal practice area.

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...

I am an intellectual property (IP) and business attorney with over 25 years of experience. I am an advisor, a strategist, a litigator, a deal maker, and a problem solver. But most of all, I am an invested team member. Together, we plan pathways forward, take measured business risks, and develop mitigation plans for foreseeable bumps in the road. We are in it together. My IP experience does not fit neatly in a box. I have managed issues involving one or more of patents, trade secrets, trademar...

Mr. Contis is a shareholder in the firm’s Business Practice Group, and Real Estate Practice Group. Mr. Contis concentrates his practice in the areas of, real estate acquisition and development, construction, mortgage and end-loan lending, participation loans, commercial and industrial leasing for landlords and tenants (including master leases, ground leases and subleases) and business planning. Mr. Contis regularly works with lenders, owners and court appointed receivers in the sale of ...

Michael A. Robbins has been practicing law in the State of Michigan since 1982. His practice concentrates exclusively in the area of Family Law. Family law includes such areas as divorce; child custody; parenting time; spousal and child support; property division; division of retirement benefits; tax consequences of divorce; mediation and arbitration; annulments; paternity; prenuptial and postnuptial agreements; change of domicile; grandparent's rights; domestic violence; and post-judgment pr...

Deborah (“Deb”) Grace advises private companies, non-profits, colleges, universities, and governmental entities on the complex tax and labor laws that impact the benefits that these entities offer to their employees. She counsels private companies and equity funds on the benefit plan implications of business acquisitions and dispositions, including due diligence review and advising on the integration of benefit programs based on the structure of the business deal. Her experience i...

Robert S. Zawideh is a Vice President, Director, and shareholder at Kemp Klein in Troy, Michigan, where he has practiced since 2010. For more than 34 years, he has represented individuals, businesses, and municipalities in complex disputes involving arbitration, commercial litigation , and litigation involving trusts and estates . His work frequently involves high-value trust and estate disputes, where he represents interested parties in probate and fiduciary matters. Robert has appeared in t...

Robert S. Bick possesses extensive corporate law experience, having completed hundreds of merger, acquisition, divestiture, going private, financing, and related transactions. For more than thirty years, he has represented clients of all sizes across a range of industries in corporate and business law matters. Robert counsels and represents public and private companies, entrepreneurs, venture capital and private equity groups, boards of directors and business owners on matters related to corp...

Experience Mr. Mullins concentrates his practice in the areas of litigating personal injury and commercial matters, as well as liability and discrimination actions brought both on behalf of or against the Firm’s wide variety of clients, including cities, counties, school districts, universities, hospitals, manufacturers, professional corporations and various other entities, in conjunction with both insured and self-insured programs. Tim has considerable litigation experience representin...