Chris C. Gair

Mark Filip, a former federal judge and high-ranking Justice Department official, helps to lead Kirkland’s government enforcement defense and internal investigations group, and serves as a member of the Firm’s Executive Committee. As a partner in the Firm’s Chicago and Washington, D.C. offices, Mark has successfully guided numerous Fortune 100 companies and financial institutions through complex mission-critical moments, counseling leaders and Boards of Directors on high-stak...

A skilled negotiator and litigator, partner Michael F. Koenigsberger focuses his practice on family law- related matters. Recognized as one of Chicago’s leading lawyers in family law, he has represented hundreds of clients in complex custody and financial issues, prenuptial agreements, paternity cases and domestic relations. Particularly adept at dealing with high-asset, complex cases, Michael takes pride in working with clients through all phases of the issues they face, from litigatin...

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...

Rich Ungaretti’s practice encompasses all aspects of commercial real estate. He represents owners, developers, lenders and investors in acquisitions, sales, leasing, work outs and development. His practice includes the formation of partnerships, joint ventures and limited liability companies. My focus Real Estate Transactions Today, many real estate deals are large and complex. My work involves managing the process, structuring the transaction and leading the negotiations. Recently, I m...

Doug Sawyer is a partner in the Intellectual Property practice of Paul Hastings and is based in the firm's Chicago office. Mr. Sawyer’s practice focuses on intellectual property litigation and enforcement. He has extensive litigation experience, including complex civil litigation, patent and trademark infringement, trade secret misappropriation, false advertising, deceptive trade practices, antitrust, and breach of contract. Mr. Sawyer has counseled clients on all aspects of intellectua...

Jeffrey S. Nowak is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Management and Litigation - Labor and Employment. Jeffrey S., who practices law in Chicago, Illinois, has been recognized since 2016. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jeffrey S. is held by other top lawyers in the same geographic and legal practice area.

Marcelo Halpern is a partner with the firm's Business practice and a member of the Technology Transactions & Privacy group. Marcelo's practice focuses on transactional, strategic and corporate representation of global "FORTUNE 100" companies, start-up and emerging growth companies, as well as U.S.-based and international governments and non-profits. His experience includes structuring and negotiating technology and intellectual property-oriented strategic alliances and joint ventures; sof...

Sherry L. Rollo counsels clients in all areas of intellectual property, including the protection, licensing, and enforcement of intellectual property rights, data privacy, and data security both domestically and internationally. Sherry also guides clients with corporate strategies relating to the prosecution, merger, licensing, sale, or acquisition of intellectual property assets, including conducting due diligence, counseling on business strategies, and managing patent, trademark, copyright,...

David A. Handler is a partner in the Trusts and Estates Practice Group of Kirkland & Ellis LLP. He concentrates his practice on trust and estate planning and administration, representing owners of closely-held businesses, family offices, principals of private equity and venture capital funds, individuals and families of significant wealth, and establishing and administering private foundations and other charitable organizations. David is a fellow of the American College of Trust and Estat...

Phillip L. Durham is a top attorney recognized by Best Lawyers in the practice area(s) of Aviation Law. Phillip L., 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 Phillip L. is held by other top lawyers in the same geographic and legal practice area.