Thomas C. O'Brien

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 ...

Mark Heusel is an experienced commercial business attorney and serves as the Chair of the Firm’s China/ASEAN Region Practice Group. He has more than 25 years of experience in representing multi-national companies in the manufacturing, retail and automotive industries. Mr. Heusel’s experience includes advising foreign companies in the areas of foreign direct investment in the United States, business formation, Greenfield investment, international trade, commercial transactional mat...

John Shea is an attorney in Ann Arbor, Michigan, where he has been in private practice since 1988. He was admitted to the Illinois bar in 1983 and to Michigan's bar in 1985, and is also admitted to practice before the United States Supreme Court, the United States Court of Appeals for the Sixth Circuit, and United States District Courts in the Eastern District of Michigan, Western District of Michigan, Northern District of Illinois, and Southern District of Indiana. He has a trial practice in...

Mr. Bagdady advocates on behalf of clients faced with high stakes disputes. Clients entrust him with their most critical contested matters. He has a focus on intellectual property litigation and has also litigated cases in a wide range of substantive areas of law including commercial and securities litigation. Mr. Bagdady Co-Chairs Bodman’s Intellectual Property Group. As a leading member of Bodman’s Intellectual Property and Brand Protection team, Mr. Bagdady advocates for client...

Shawn Strand is a top attorney recognized by Best Lawyers in the practice area(s) of Mergers and Acquisitions Law. Shawn, 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 Shawn is held by other top lawyers in the same geographic and legal practice area.

Mr. Walsh is the Chair of Bodman's Appellate Law Practice Group and has broad litigation experience at both the trial and appellate levels. Representing both plaintiffs and defendants, Mr. Walsh has obtained successful jury verdicts in numerous cases. He has argued more than 100 appeals in both state and federal appellate courts. Among the appeals Mr. Walsh has argued successfully are Shepherd Montessori Center Milan v. Ann Arbor Charter Twp ., 486 Mich. 311 (2010), McCart v. J. Walter Thomps...

Ms. Leahy concentrates her practice in corporate and business law. She counsels both established and emerging businesses on general corporate transactions, mergers and acquisitions, compliance with securities regulations, and issues involving venture capital funding. Ms. Leahy is chair of Bodman’s executive management committee. Ms. Leahy has drafted and negotiated transactional documents for both publicly and privately held entities involved in mergers and acquisitions ranging in size ...

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.

Robert Lantzy is a graduate of the Central Michigan University and graduated cum laude from the Detroit College of Law at Michigan State University in 1997. Robert is an experienced trial attorney and concentrates his practice in many areas of civil litigation, including truck accidents, motorcycle accidents, motor vehicle accidents, dog attacks, lead paint exposure and child lead poisoning, mold exposure and cases involving other general environmental contamination. He is a member of the Ame...

William Thacker’s practice concentrates on traditional labor matters, employment litigation and day-to-day counseling of clients on the various employee and labor relations issues that arise within their organizations. He advises clients during union representation campaigns and elections as well as non-Board recognition processes, including the negotiation and administration of card-check recognition agreements. Mr. Thacker negotiates collective bargaining agreements; advises clients r...