Jack R. Bierig

Conrad C. Nowak joined Corboy & Demetrio in 2023, bringing with him more than 18 years of defense litigation experience in the areas of personal injury, product liability, toxic tort, construction, aviation, trucking and commercial litigation. A former litigation partner at a national law firm, he successfully represented clients at numerous trials, mediations and arbitrations. He has harnessed that experience to better serve people and families who have suffered due to the negligence of ...

Dennis VanDerGinst Dennis VanDerGinst is a personal injury attorney, trial lawyer, and the Founder & CEO of VanDerGinst Law PC. He represents injured individuals and families throughout Illinois, Iowa, and other jurisdictions. For more than 30 years, Dennis has focused his practice on helping people navigate serious injury claims and complex litigation during challenging periods of their lives. Dennis handles a wide range of plaintiff-side personal injury matters, including car accidents,...

Steven L. Brenneman is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Management. Steven L., who practices law in Chicago, Illinois, has been recognized since 2013. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Steven L. is held by other top lawyers in the same geographic and legal practice area.

Tom represents clients in patent and trademark prosecution, intellectual property litigation, and post-grant patent challenges before the Patent Trial and Appeal Board (PTAB). Tom has a broad base of experience in various technological and business areas, particularly in pharmaceutical, biotechnology, chemical and medical device inventions. He drafts invalidity opinions, investigates freedom to operate, counsels on strategic portfolio management, and conducts due diligence investigations prio...

William J. Serritella, Jr. is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation. William J., who practices law in Chicago, Illinois, has been recognized since 2019. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which William J. is held by other top lawyers in the same geographic and legal practice area.

Brian J. Tiemann counsels public and private companies on a broad range of employee benefit matters, including matters related to pension plans, 401(k) plans and executive and incentive compensation. He advises plan fiduciaries with respect to their fiduciary duties, investment policies and alternative investments. He also advises multinational clients on global employee benefits matters, particularly with respect to global incentive compensation plans. Brian has extensive experience negotiat...

Susan M. Franzetti has extensive experience in compliance counseling, regulatory and litigation matters. Ms. Franzetti has extensive experience in water pollution matters under both federal and state programs, including issues relating to NPDES and industrial pretreatment discharge permits, effluent toxicity, TMDLs, use attainability analyses, wetlands, CSO’s/SSO’s, rule-making proceedings, variances/site-specific relief, mixing zone demonstrations, antidegradation, antibackslidin...

Over the past 25 years, Brian Heidelberger has represented a multitude of the nation’s most revered brands and agencies in the marketing of their products and services. Recognized as Chicago “Lawyer of the Year” in Advertising Law by Best Lawyers and cited by Chambers USA as a “practical solutions-oriented lawyer” and an “expert in the field of advertising,” Brian is sought after by clients for his cutting-edge legal and industry knowledge, responsive...

Jeffrey P. Armstrong is a top attorney recognized by Best Lawyers in the practice area(s) of Patent Law. Jeffrey P., who practices law in Chicago, Illinois, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jeffrey P. is held by other top lawyers in the same geographic and legal practice area.

Martin G. Durkin is a trial lawyer whose practice includes antitrust and commercial litigation. He has successfully litigated business and transactional disputes, and tried many complex commercial matters. Mr. Durkin's practice is focused on commercial matters, including breach of contract, business torts, RICO, securities fraud and consumer fraud. Mr. Durkin has also represented a number of Fortune 500 companies in the defense of class actions and mass actions. Representative Matters Class A...