Jill O’Brien

Dave Resnicoff helps sophisticated companies and executives manage government investigations, whistleblower allegations, and global compliance obligations in a practical way. Dave has experience in a wide variety of industries, and especially in life-sciences, medical device, and medical technology. Dave helps his clients build and assess their compliance programs in light of their business model and risk profile. He helps them respond credibly and proportionately through internal investigati...

Trisha M. Rich is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation. Trisha M., who practices law in Chicago, Illinois, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Trisha M. is held by other top lawyers in the same geographic and legal practice area.

Nicholas Berg is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation. Nicholas, who practices law in Chicago, Illinois, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Nicholas 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...

Neil's practice is focused on both domestic and international transactions, including outsourcing (business process and information technology), software development, software, data, trademark, patent and technology licensing, telecommunications, commercial agreements (supply, distribution, development), joint ventures, and strategic alliances. In addition, Neil advises clients on the intellectual property and technology issues that arise in mergers, acquisitions, divestitures, recapitalizati...

Mark D. Pollack is a partner in the Litigation practice of Paul Hastings and is based in the firm’s Chicago office. He also serves as the Firm’s General Counsel. Mr. Pollack concentrates his practice in the areas of white-collar criminal defense, complex commercial litigation, internal corporate investigations, and compliance counseling. He has extensive experience in counseling and defending corporations, boards of directors, and executive officers in relation to a broad range of...

Nick wins cases for clients and helps them favorably resolve disputes, including complex partnership, corporate governance, finance, and deal disputes. As a first-chair trial lawyer who has tried more than 30 jury trials, bench trials, and arbitrations, when a rare business case goes to trial, other law firms and clients ask him to join or lead the trial team. Nick splits his time between Barack Ferrazzano’s Minneapolis and Chicago offices, although he regularly appears in courts across...

Scott has over 25 years of experience representing famous brands. Scott is ultra-responsive and possesses the unique ability to explain his creative approach to protecting and policing famous brands to non-legal business and marketing professionals. Scott is co-chair of Barack Ferrazzano’s Intellectual Property Group and a member of the Luxury Group. His practice focuses primarily on U.S. and international trademark prosecution, beginning with policing, managing, and protecting the expa...

Eric builds sophisticated estate planning strategies for families and individuals, including business owners and executives. He also counsels clients on the legal and business implications of major life events, including premarital planning, relocating to a new jurisdiction, appointing short-term guardians for vacationing relatives and loved ones and designating agents for health care decisions. Eric represents clients spanning numerous industries and backgrounds, including traders, doctors, ...

Michael J. Sorich is a veteran trial attorney and partner at Cavanagh Sorich Law Group with a track record of securing outstanding results in personal injury, medical malpractice and wrongful death cases. Sorich brings more than two decades of trial experience to his practice and has obtained more than $300 million in verdicts and settlements for clients in Illinois and across the country since joining the firm in 2016. He has played a key role in many of the firm’s biggest and most hig...