Mark I. Wallach

Overview

Mark I. Wallach is Of Counsel in McCarthy Lebit’s Litigation practice group, where he represents businesses, public entities, and individuals in complex litigation matters. His practice focuses on business and public sector litigation, with particular emphasis on complex commercial disputes, business conflicts, and state constitutional and statutory matters. He has extensive experience handling significant litigation in Ohio and is currently involved in some of the state’s most high-profile lawsuits. Mark provides strategic legal counsel to clients navigating challenging disputes, working to understand their objectives and developing practical approaches tailored to the circumstances of each matter.

With experience representing a diverse range of clients, from major corporations and established businesses to small enterprises and individuals, Mark advocates for clients in both state and federal courts, handling a broad range of commercial disputes, business torts, and other complex legal matters. His experience also extends to representing private and public entities in disputes involving state and municipal laws, where he helps clients address the legal and practical considerations associated with governmental regulations and public sector issues.

His litigation practice encompasses a variety of business and commercial matters, including consultant and accountant liability, contract disputes, Uniform Commercial Code matters, trade secret protection, and non-competition agreements. He advises and represents clients in disputes involving contractual obligations, business relationships, and the protection of valuable business interests. Mark also handles matters involving land use, zoning regulations, and other issues concerning local and state governmental entities, providing counsel on the legal challenges that can arise when business and property interests intersect with governmental authority.

In addition to his courtroom experience, Mark has substantial experience resolving disputes through alternative dispute resolution. He has served as both an arbitrator and mediator in numerous proceedings, bringing a practical understanding of the dispute resolution process from multiple perspectives. This experience allows him to help clients evaluate potential resolutions, navigate complex negotiations, and pursue efficient outcomes when litigation is not the preferred path.

Throughout his career, Mark has received recognition from prominent legal publications, including Chambers USA, The Best Lawyers in America® and Ohio Super Lawyers®, which use peer-reviewed selection processes to recognize attorneys for their professional accomplishments and work in their respective areas of practice. The Best Lawyers in America® has recognized Mark for his work in Commercial Litigation, Litigation – Labor and Employment, and Litigation – Municipal. Ohio Super Lawyers® has recognized him for his work in Business Litigation, State, Local & Municipal, and Alternative Dispute Resolution. These distinctions reflect Mark’s experience, professional accomplishments, and contributions within the legal community and his areas of practice.

Mark earned his bachelor’s degree from Wesleyan University, magna cum laude, and his Juris Doctor from Harvard Law School, cum laude.

Why McCarthy Lebit?

More Than A Firm. Personalized Support for Every Goal. 

After nearly five decades in practice, Mark Wallach made the decision to join McCarthy Lebit with a clear goal to focus fully on his practice. He wasn’t looking to reinvent himself, just to practice without unnecessary red tape, and MLCL was the right partner to make that possible.

“I came to McCarthy Lebit at this stage in my career because I wanted the freedom to focus on my practice without any distractions. The firm’s excellent reputation spoke for itself, but what stood out to me was the shared understanding of trust. This environment has allowed me the ability to work without barriers, and that support is still a reality to this day," shared Mark.

For Mark, McCarthy Lebit is a place where autonomy and personalized support coexist. Here, attorneys are given the full confidence to enhance their work without restrictions.