John J. Castaneda

Patty advises employers, fund sponsors and investors on compliance with the legal rules that regulate benefit plans and funds in which benefit plans invest. Patty advises employers on the full spectrum of employee benefit matters, with a particular focus on the design, implementation and administration of broad-based pension and retirement plans, health and other welfare benefit plans, and executive compensation programs. She has extensive experience in assisting employers with unionized and ...

Sondra A. Hemeryck is a lawyer recognized by Best Lawyers in the practice area of Mass Tort Litigation / Class Actions - Defendants. Sondra A. practices law in Chicago, Illinois Best Lawyers has recognized Sondra A. Hemeryck since 2024. 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 Sondra A. Hemeryck is held by other lawyers.

Steve is a partner in the firm’s Litigation Department, where he represents clients in complex civil litigation matters before state and federal courts throughout the country. He has considerable experience with commercial disputes, constitutional challenges, statutory interpretation issues, and defamation and invasion of privacy suits. He is skilled at representing municipalities in cases involving so-called “locally undesirable land uses” such as airports, music amphitheat...

John C. O'Connor is a lawyer recognized by Best Lawyers in the practice area of Employment Law - Management. John C. practices law in Chicago, Illinois Best Lawyers has recognized John C. O'Connor since 2027. 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 John C. O'Connor is held by other lawyers.

Christopher V. Carani is a Shareholder at McAndrews and has been at the firm since 1995. He practices in all areas of intellectual property law with a particular emphasis on design law. Chris has extensive experience litigating design patent cases, including representations before U.S. district courts, the Federal Circuit, the U.S. Supreme Court and the International Trade Commission. In 2019, Chris was named to the IAM Strategy 300: The World’s Leading IP Strategists list, with IAM mag...

Pat Nash is a partner in the Restructuring Group of Kirkland & Ellis LLP. He represents a variety of clients in complex business reorganizations, troubled company M&A, debt restructurings, and financing matters. He has counseled companies experiencing financial difficulties, purchasers of and investors in distressed companies, and lenders to and creditors of such companies. Pat also has extensive cross-border insolvency experience. Described as “very commercial, very smart and v...

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...

Sanjay Murthy is a lawyer recognized by Best Lawyers in the practice areas of Litigation - Intellectual Property and Patent Law. Sanjay practices law in Chicago, Illinois Best Lawyers has recognized Sanjay Murthy since 2026. 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 Sanjay Murthy is held by other lawyers.

Carla Colaianni is a lawyer recognized by Best Lawyers in the practice area of Personal Injury Litigation - Plaintiffs. Carla practices law in Chicago, Illinois Best Lawyers has recognized Carla Colaianni since 2024. 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 Carla Colaianni is held by other lawyers.

Tobias E. Schlueter is a lawyer recognized by Best Lawyers in the practice area of Employment Law - Management. Tobias E. practices law in Chicago, Illinois Best Lawyers has recognized Tobias E. Schlueter since 2017. 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 Tobias E. Schlueter is held by other lawyers.