Megan R. Rooney

Nicole Berg is a Senior Partner at Keller Postman LLC. She combines an analytical approach to the practice of law with expertise in legal strategy and briefing critical motions to deliver exceptional advocacy on behalf of plaintiffs. At Keller Postman , Nicole’s practice focuses on product liability matters. She sits on the Law & Briefing Subcommittee in the 3M Combat Arms Earplugs MDL—one of the largest group litigation matters in the United States—and is a member of th...

Steve Sandler has spent more than 50 years counseling and advising developer and investor clients in the acquisition, disposition, leasing, development, financing and structuring of all types of real estate and real estate transactions. Steve's range of experience includes complex, high-stakes projects involving major office buildings, hotels, apartment buildings, industrial buildings and unimproved land. He has particular depth of skill in structuring transactions and all phases of financing...

Matthew M. Murphy is a partner in the Financial Restructuring group, a member of the Special Situations Group, and the chair of the Chicago Office. He advises a variety of clients in complex business reorganizations, debt restructurings, and troubled company M&A. Mr. Murphy has counseled clients up and down the capital structure through out-of-court and Chapter 11 restructuring initiatives, the purchase of or investment in distressed companies, and post-petition lending.

David Koropp is a lawyer recognized by Best Lawyers in the practice area of Commercial Litigation. David practices law in Chicago, Illinois Best Lawyers has recognized David Koropp since 2023. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which David Koropp is held by other lawyers.

Jennifer M. Mikulina is a lawyer recognized by Best Lawyers in the practice area of Trademark Law. Jennifer M. practices law in Chicago, Illinois Best Lawyers has recognized Jennifer M. Mikulina since 2016. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Jennifer M. Mikulina is held by other lawyers.

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...

Kevin O’Hagan is a founding partner of O’Hagan Meyer. After practicing at large law firms for 15 years, such as McGuire Woods and Locke Lord Edwards, he founded the firm to be a national boutique with an emphasis on personal customer service. He acts as lead counsel for several Fortune 500 companies and has tried cases in five different states, including the Delaware Court of Chancery, and has mediated cases in 15 state courts and federal jurisdictions. Kevin has also handled mult...

Attorney Helena Trachtenberg is dedicated to working with individuals facing complex family law issues. Her experience in working with couples has offered her valuable perspectives on the different approaches to marital dissolution. Whether a couple is seeking a traditional litigated divorce, mediated or collaborative law approaches to divorce, Helena Trachtenberg has the experience couples seek. Beyond divorce strategies, Helena offers prenuptial agreement services for engaged couples planni...

Doug is of counsel in the firm’s Real Estate practice group. He manages complex real estate and financing transactions concerning properties throughout the country for a diverse group of clients, including developers, publicly traded real estate investment trusts (REITS), private real estate investment funds, joint ventures and financial institutions. Doug handles transactions involving multifamily apartment projects, office buildings, shopping centers, industrial sites, hotels, governm...

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...