Mark R. McLaughlin

David O. Barrett is a top attorney recognized by Best Lawyers in the practice area(s) of Personal Injury Litigation - Plaintiffs. David O., who practices law in Chicago, Illinois, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which David O. is held by other top lawyers in the same geographic and legal practice area.

Michael Hartmann is active in all phases of intellectual property law with an emphasis in intellectual property litigation and technology protection and transfer in the United States and internationally. He has acted as lead trial counsel in jury and bench trials, International Trade Commission investigations, and related pre-trial and appellate proceedings in diverse technical fields. These include software, telecommunications, machine vision and semiconductor manufacturing, oil field drilli...

Mr. Grund is a Founding Partner with Grund & Leavitt. He practices exclusively in the area of family law concentrating in all aspects of matrimonial litigation.He has successfully represented individuals on all issues arising from divorce proceedings which involve, among other things, the valuation and disposition of substantial business interests, custody, maintenance and other marital and parental rights. Mr. Grund is known as a creative lawyer with a keen sense of the rules and the law...

Marc R. Fisher is a top attorney recognized by Best Lawyers in the practice area(s) of Family Law. Marc R., who practices law in Bannockburn, Illinois, has been recognized since 2018. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Marc R. is held by other top lawyers in the same geographic and legal practice area.

E. Lynn Grayson is a partner in the environmental law firm of Nijman Franzetti LLP in Chicago. She is consistently recognized as a leading environmental lawyer by Chambers USA , The Best Lawyers in America , Who’s Who: Environment , Illinois Super Lawyers, and the Leading Lawyers Network . She is AV Peer Review Rated, Martindale-Hubbell’s highest peer recognition for ethical standards and legal ability. Ms. Grayson formerly was a partner and chair of the environmental practice gro...

Craig Squillace has worked for a number of years on various cases, particularly vehicular accident cases, at Clifford Law Offices. He also has worked on claims due to medical negligence, product liability, transportation litigation, and municipal liability. In 2015, he obtained a record $4 million settlement in Will County on behalf of a family who lost their 60-year-old mother in a tragic trucking crash. He was part of the Clifford Law Offices team that reached a settlement with a major auto...

Troy A. Groetken, Shareholder Email: tgroetken@taftlaw.com Tel. (312) 775-8259 Practice Areas: Global Intellectual Property Portfolio Analysis, Counseling & Management; Complex Chemical, Small-molecule Pharmaceutical, and Biotechnological Patent Prosecution; Intellectual Property Acquisition, Divestiture, and Licensing; Clearance, Freedom to Operate & Invalidity Opinions; Trademark Prosecution; Antitrust; Intellectual Property Landscaping Education: Drake University, College of Pharma...

Steve Patton is of counsel to the Litigation group in the Chicago office of Kirkland & Ellis LLP. Steve has extensive experience trying cases and arguing appeals in federal and state courts throughout the country in a wide variety of commercial disputes. He has also served as an advisor to senior management in a number of “bet the company” exposures and negotiated several multibillion settlements in complex disputes. Steve is a Fellow of the American College of Trial Lawyers a...

John S. Mrowiec is a founding partner in the firm of Conway & Mrowiec. Mr. Mrowiec represents project participants in arbitration, litigation, mediation, contract drafting and claim preparation. He has tried, arbitrated or mediated several complex cases throughout the United States, most recently, successfully represented a general contractor to recover a seven-figure claim on an urban school project in a multi-week arbitration against a earth retention subcontractor involving the cause o...

Joe Duffy is an accomplished and resourceful trial lawyer who focuses his national practice on white collar criminal defense and complex business litigation. He handles all aspects of federal and state criminal prosecutions through the investigative, prosecutive and appellate stages. He has extensive experience representing individuals and corporations in internal and government investigations as well as civil and criminal jury trials and appeals. Joe has successfully represented clients in c...