Gregory Thompson

Gregory A. Thompson

Partner

200 Public Square
Suite 2800
Cleveland, Ohio 44114

Gregory A. Thompson is a partner in Hahn Loeser’s nationally acclaimed Litigation, Construction, and Manufacturing & Automation practice areas. Greg is a seasoned litigator with a proven track record in a wide array of matters. He has significant experience handling complex commercial litigation, including breach of contract, Uniform Commercial Code (UCC), and business tort claims. Greg has also successfully handled significant intellectual property matters and employer intentional torts.

Greg has strengths across a number of industries, with an emphasis on construction, manufacturing, and automation. Greg has successfully pursued and defended multi-million-dollar claims involving delays, extra and changed work, and construction and manufacturing defects on both public and private projects. Greg regularly represents integrators, manufacturers, general contractors, construction managers, sureties, specialty subcontractors, and suppliers. Greg also maintains a robust pre-litigation practice with the aim of mitigating risk and avoiding disputes altogether.

Based on Greg’s successes for his clients, he was selected to and regularly serves as an instructor at The University of Akron School of Law’s Summer Trial Academy. Greg is also deeply invested in a number of industry trade associations and served as the chair of the Cleveland-Metropolitan Bar Association’s Litigation Section.

Professional History

  • Partner, Hahn Loeser & Parks LLP, 2021-present; Associate 2018-2021
  • Associate, Schneider Smeltz Spieth Bell LLP, 2015-18
  • Associate, Thompson Hine LLP, 2012-15
  • Judicial Extern, Hon. Christopher A. Boyko, U.S. District Court, 2012

Credentials

Education
  • The University of Akron School of Law, J.D., magna cum laude, 2012
    • Honors & Activities: Certificate in Litigation, Alternative Dispute Resolution, and Trial Advocacy; CALI Excellence for the Future Award in Trial Advocacy; Mock Trial Team Honor Society, Officer; Mock Trial National Competition Team, Advocate; Moot Court Honor Society, Member; Akron Law Review, Staff Editor
  • Ohio University, B.B.A., Management Information Systems, cum laude, 2009
Community Involvement

Summer Trial Academy Instructor, The University of Akron School of Law, 2015-18

 

Mock Trial Team Coach, The University of Akron School of Law, 2012-present

Awards & Distinctions

The Best Lawyers in America®, 2025

 

Ones to Watch, Best Lawyers®, 2022, 2023, 2024

 

Rising Star, Ohio Super Lawyers®, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025

 

America’s Top 100 Bet-the-Company Litigators®, 2019, 2020

Bar Admissions

State of Ohio, 2012

 

U.S. District Court for the Northern District of Ohio, 2013

 

U.S. District Court for the Southern District of Ohio, 2020

 

U.S. District Court for the Eastern Division of Wisconsin, 2018

 

U.S. District Court for the Eastern District of Michigan, 2022

 

U.S. District Court for the Western District of Michigan, 2023

 

U.S. District Court for the Western District of New York, 2023

Memberships & Affiliations

Association for Advancing Automation (A3)

 

Construction Lawyers Society of America™, Fellow

 

Ohio Contractor’s Association, Young Leaders Forum

 

Cleveland Metropolitan Bar Association, Litigation Section, Chair, 2019, Vice Chair, 2018, Vice President of Membership, 2017; 3Rs Volunteer, 2017-18