Warren J. Widmayer

John S. Artz, a partner with Dickinson Wright PLLC has more than twenty-five years of experience and practices in all areas of intellectual property litigation. He also has extensive experience with the acquisition, management, and prosecution of patent, trademark, copyright, and trade secret assets. He serves and has served as lead counsel for many companies in federal courts across the country, including the Federal Circuit Court of Appeals. John also has served as lead counsel in 25+ IPRs ...

Mr. Berman concentrates his practice in construction, contracts, real estate and business matters including claims and alternative dispute resolution. He also focuses on "green" building and "lean" construction matters. Mr. Berman is active in several major construction industry associations. He a member of the Forum on the Construction Industry of the American Bar Association, the Washtenaw Contractors Association, and the Builders and Remodelers Association of Greater Ann Arbor. Mr. Berman ...

Daniel T. Geherin is a board-certified trial attorney with over 20 years’ experience practicing criminal law. Mr. Geherin graduated with Honors from Michigan State University with a bachelor's degree in Humanities/Pre-Law, and graduated cum laude from law school at California Western in San Diego, CA. In law school, he was an Executive Editor of his school's Law Review and completed two internships with the San Diego County District Attorney's Office. Upon graduation, he joined the Los ...

Joanne advises clients on a wide range of state and local tax matters, with a focus on tax controversy, litigation, and planning. She represents businesses of all sizes—from closely held companies to Fortune 500 corporations—in disputes involving Michigan’s corporate income tax, sales and use tax, withholding, and individual income tax. Her practice also includes handling multistate tax issues and helping clients understand and respond to audits, assessments, and refund clai...

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

Kristen M. Veresh is a top attorney recognized by Best Lawyers in the practice area(s) of Banking and Finance Law. Kristen M., who practices law in Novi, Michigan, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Kristen M. is held by other top lawyers in the same geographic and legal practice area.

Paul’s practice focuses upon representation of business and individual taxpayers in federal tax planning as well as in controversies at administrative levels and the tax court and before federal courts. Paul has served as a past Adjunct Professor in the Graduate Tax Program at Walsh College and is also a committee chair and frequent speaker at the American Bar Association Taxation Committee meetings. He is a regular contributor to the Michigan Business Law Journal on tax matters. Paul i...

Mr. Manley is a member of the Banking, Business, and Emerging Companies and Venture Capital practice groups. He represents clients in a variety of general business transactions and in matters involving corporate governance, commercial contractual issues, mergers and acquisitions, corporate finance, and debt and equity financing. Most recently, Mr. Manley practiced in the New York office of a global law firm where he focused on complex financial transactions. In that role, he worked with comme...

Kevin M. DiDio is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law. Kevin M., who practices law in Ann Arbor, Michigan, has been recognized since 2018. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Kevin M. is held by other top lawyers in the same geographic and legal practice area.

Ms. Kornfield assists clients in intellectual property matters, including information systems acquisition, copyrights, trademarks, e-commerce, noncompete agreements and other post employment restrictions, and protection against economic espionage. She handles transactional and litigation matters and has been lead counsel in national intellectual property litigation. She has been selected as an expert witness, mediator, and arbitrator in intellectual property disputes. She serves on an Advisor...