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Mark I. Wallach

Of Counsel

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Overview

Mark Wallach is Of Counsel in the Litigation practice group at McCarthy Lebit. Mark focuses his legal practice on business and public sector litigation matters. In particular, he concentrates on disputes involving complex business conflicts and state constitutional matters. Currently, he is handling some of the most high-profile lawsuits pending in Ohio.

His clients range from major corporations to small enterprises and individuals. He represents clients in state and federal courts, addressing commercial disputes and business torts. Additionally, Mark provides legal counsel to both private and public entities in cases involving state and municipal laws.

Mark specializes in handling litigation involving consultant and accountant liability, contract conflicts, Uniform Commercial Code matters, protection of trade secrets, and non-competition agreements. Furthermore, Mark assists clients in navigating through legal challenges concerning land use, zoning regulations, and various other concerns that involve local and state governmental entities.

With a wealth of expertise in handling legal matters through alternative dispute resolution proceedings, Mark has served as an arbitrator as well as a mediator on numerous occasions.

   

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.

Awards

  • The Best Lawyers in America®, 2003-2026
  • Ohio Super Lawyers®, 2004-2026
  • AV® Preeminent™ rating from Martindale-Hubbell Law Directory
  • Legal Aid Society of Cleveland, Access to Justice Award
  • Legal Aid Society of Cleveland, Time Well Spent Honor Society, 60-79 Hours Milestone
  • Chambers USA, "Leaders in their Field" for Litigation: General Commercial, 2009-2022

Affiliations

  • Cleveland Metropolitan Bar Association, Member
  • Northeast Ohio Law Directors Association, Member

Practice Area(s)

Education

Harvard Law School
Juris Doctor (J.D.)
Cum laude
Wesleyan University
Bachelor of Arts
Magna cum laude

Admissions

Ohio
United States Court of Appeals for the Sixth Circuit
Supreme Court of the United States
U.S. District Court, Eastern District of Michigan
U.S. District Court, Western District of Michigan
U.S. District Court, Northern District of Ohio
U.S. District Court, Southern District of Ohio
United States Court of Appeals for the Federal Circuit

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