Practice Areas


Our attorneys have comprehensive experience in all aspects of environmental law.




We routinely advise on safety compliance issues, permitting, audit protocols and enforcement actions


We have decades of experience defending and trying toxic tort cases.



Our team has litigated a wide variety of environmental, corporate, product liability and commercial matters.

Wendlene Lavey Joins MD as Partner

Wendlene M. Lavey has joined McMahon DeGulis LLP as a Partner. Wendy arrives from Squire Patton Boggs and will continue her law practice focusing on environmental compliance, enforcement, permitting and related litigation and transaction support.

With over 25 years of experience in environmental and safety matters, Wendy’s current work includes major source permitting under the Clean Air Act, compliance and corrective action obligations under the Resource Conservation and Recovery Act, municipal wet weather issues under the Clean Water Act, and private party disputes regarding environmental contamination. She brings particular expertise on the steel, mining and chemicals industries. Read More.

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An Evening at Eaton, with the CMBA

On November 2, 2017, the Cleveland Metropolitan Bar Association Environmental Law Section will gather at Eaton Corporation to recognize friends of the Section for their outstanding efforts – and mix in networking and fundraising for the Section Internship fund in the process. MD Partner Keely O’Bryan remarked “The Section is very excited for the opportunity to host our internship fundraising event at Eaton. As last year’s Chair of the Section, I saw the direct benefits of the Internship Fund to the students in our environmental law community. It’s a great cause and we hope to see you there!” The CMBA website has more details.

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McMahon DeGulis LLP ranked top in Ohio by Chambers USA

Chambers USA: America’s Leading Lawyers for Business (2017 Edition) recognized McMahon DeGulis LLP as a Band One firm in Natural Resources and Environmental law in Ohio.

Partners Michael McMahon, Gregory DeGulis, David Nash and Louis McMahon were also recognized for their individual representation of clients.

According to Chambers USA, McMahon DeGulis is a “highly regarded boutique with expertise covering the full range of environmental law. Possesses particular strength in wastewater and brownfield matters, as well as integrated planning work related to the CWA.”

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