When your Wisconsin-based interests are at stake.

Gregory W. Lyons
Gregory W. Lyons
O’Neil, Cannon, Hollman, DeJong & Laing S.C.
111 E. Wisconsin Avenue
Suite 1400
Milwaukee, Wisconsin 53202
Phone: 414.276.5000
Fax: 414.276.6581

E-mail Gregory W. Lyons

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Greg represents clients in the prosecution and defense of commercial litigation, products liability, and other civil litigation. His extensive experience in commercial and business litigation has prepared him to successfully represent large multinational corporations and defend them in numerous lawsuits, including clients such as W.R. Grace & Co. and Mitsubishi Heavy Industries America, Inc. Greg has also served as class counsel in numerous class actions involving tax refunds and securities fraud.

Greg Assists Clients With

  • Contract and Commercial Litigation
  • Construction Litigation
  • Products Liability Litigation
  • Personal Injury Litigation
  • Class Action Litigation

Examples of Greg’s Recent Client Work

  • As one of the trial counsel for Mitsubishi Heavy Industries America, Inc., Greg was one of a team of O’Neil, Cannon, Hollman, DeJong & Laing S.C. attorneys who successfully defended against a $50 million damage claim and received $18 million on a counterclaim relating to the lawsuit involving the retractable roof at Miller Park
  • Defended a large corporation from anti-trust allegations and recovered all litigation costs and settlement payments from insurance carriers
  • Successfully defended W.R. Grace & Co. in numerous state and federal courts against allegations of negligence and strict liability

Awards/Distinctions

  • Selected as a Wisconsin Super Lawyer in 2005, 2006, and 2007, 2009 Law & Politics and Milwaukee Magazine

Articles/Presentations

  • Greg’s seminar presentations include “Alter-Ego Doctrine” and “Piercing the Corporate Veil”

Community Service

  • Marquette University Law School Alumni Association Board of Directors
  • University of Wisconsin–Whitewater Dean’s Advisory Board