Sanford M. "Sandy" Stein

Lawrence Levin primarily represents public companies, private companies and investment banks on a wide range of regulatory, transactional and general corporate matters. He is the co-head of Katten's Corporate Securities practice in Chicago. Larry primarily advises publicly traded issuers on day-to-day federal securities law disclosure and compliance matters and board corporate governance. He also represents issuers and underwriters in offerings of equity, debt, Rule 144A high-yield offerings ...

Lee is an intellectual property litigator and advisor who manages sophisticated portfolios for clients with worldwide operations. His practice includes the full range of intellectual property dispute and transactional matters, with an emphasis on trademark, copyright, trade secret, trade dress, privacy and litigation. Lee serves as lead counsel before state and federal courts and administrative agencies throughout the country, and he also coordinates efforts to resolve similar international d...

Josh is a first-chair trial lawyer and counselor. Many of the world’s highest profile companies trust him to resolve disputes in ways that align with their business goals. Clients also seek Josh out before disputes arise, helping them to calibrate business strategies to reduce the risk of litigation or maximize leverage from potential claims. Many of Josh’s clients are in the retail, manufacturing, and real estate development industries. He has championed their rights in a host of...

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...

Melissa A. Vallone is a lawyer recognized by Best Lawyers in the practice area of Patent Law. Melissa A. practices law in Chicago, Illinois Best Lawyers has recognized Melissa A. Vallone 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 Melissa A. Vallone is held by other lawyers.

Kenneth T. Lumb joined Corboy & Demetrio as a Chicago personal injury and medical malpractice lawyer in 1995 after a tour of duty in the United States Army. Ken was named Partner in 2015 and Managing Partner in 2019. As a captain in the Army's Judge Advocate General's Corps (JAG Corps), Mr. Lumb served four years as the Medical Claims Judge Advocate at Walter Reed Army Medical Center in Washington, D.C. His duties at the Defense Department's largest medical facility included medical malpr...

Daniel F. Gottlieb counsels a wide range of healthcare industry clients, including healthcare providers, health plans, health information technology vendors, life sciences companies and data aggregators. He is sought out for his legal knowledge and practical approach on data protection, interoperability, and complex data and software licensing transactions, collaborations and strategic initiatives. Read full biography: https://www.mwe.com/people/gottlieb-daniel-f/

Ana Valenzuela is a lawyer recognized by Best Lawyers in the practice area of Immigration Law. Ana practices law in Chicago, Illinois Best Lawyers has recognized Ana Valenzuela 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 Ana Valenzuela is held by other lawyers.

Andrew advises public and private companies on plan design and administration, fiduciary responsibility, claims procedures, and disclosure requirements under ERISA, the Internal Revenue Code, and other laws. He has extensive experience guiding them regarding the legal, financial, and administrative issues that affect qualified and nonqualified retirement plans, health and welfare plans, and other employee benefit arrangements, including issues that arise during mergers, acquisitions, and othe...

George C. Lombardi is a lawyer recognized by Best Lawyers in the practice areas of Commercial Litigation, Litigation - Intellectual Property, Litigation - Patent and Patent Law. George C. practices law in Chicago, Illinois Best Lawyers has recognized George C. Lombardi 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 George C. Lombardi is held by...