Jason Leland Chrestionson

Matt Regan is a partner in Kirkland's Chicago office. He has broad experience representing plaintiffs and defendants in a variety of commercial litigation matters in both state and federal courts. Matt's cases have involved claims in the areas of antitrust and trade regulation, accountant/auditor malpractice, class actions, products liability, software consulting, fraud and breach of contract, and other complex commercial disputes. The Legal 500 U.S. recognized Matt for his work in Energy Lit...

As a partner in Barack Ferrazzano’s Real Estate group, Julie has extensive experience in a wide variety of commercial real estate transactions, representing both sponsors and investors in all facets of commercial real estate. She is recognized as an industry leader in matters pertaining to real estate development. Julie regularly advises clients in some of the largest and most complex projects in the U.S., from the predevelopment stage through asset stabilization and disposition. She wo...

Louis S. Harrison has long been recognized as one of the premier estate planning attorneys in the country. A founding partner of Harrison & Held, LLP – one of the nation’s most elite estate planning firms – Lou’s practice encompasses all aspects of trust and estate planning, including estate and business planning for closely held companies. In addition to individuals in need of sophisticated planning, Lou represents numerous family offices, public figures, CEOs of ...

As a partner in the Intellectual Property practice group, Jeff focuses his work on patent litigation and strategic counseling related to pharmaceutical, chemical, biotechnology, electrical engineering, agricultural and food products. A registered patent attorney with four decades of experience, Jeff has successfully represented both patent owners and patent challengers through all stages of federal litigation and appeals. A significant portion of Jeff’s practice includes advising pharma...

Mr. Levin has concentrated his practice on complex business transactions, including mergers, acquisitions, buyouts, private equity and venture capital investing, formation of private equity funds, debt and equity restructurings and workouts, and executive compensation, with emphasis on tax, corporate, SEC, and structuring aspects, handling transactions which range in size from several million dollars to more than $7 billion.

Michael J. Lubeck is a top attorney recognized by Best Lawyers in the practice area(s) of Personal Injury Litigation - Plaintiffs. Michael J., who practices law in Chicago, Illinois, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Michael J. is held by other top lawyers in the same geographic and legal practice area.

David A. Golin is a top attorney recognized by Best Lawyers in the practice area(s) of Bankruptcy and Creditor Debtor Rights / Insolvency and Reorganization Law. David A., 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 David A. is held by other top lawyers in the same geographic and legal practice area.

Tom is a Shareholder and Chairs the Patents and Intellectual Property Sections. An experienced attorney most active in patent prosecution, portfolio management and providing opinions of counsel, Tom drafts and prosecutes U.S. and foreign patent applications; renders non-infringement, validity, patentability and inventorship opinions; drafts and interprets license, indemnification, employment and non-complete agreements; prepares and prosecutes trademark and copyright registrations; and counse...

Michael J. Hanahan is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation, Construction Law and Litigation - Construction. Michael J., who practices law in Chicago, Illinois, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Michael J. is held by other top lawyers in the same geographic and legal practice area.

Described as "an absolutely first-class lawyer" with "tremendous expertise in fund formation and joint ventures" by industry publications such as The Legal 500 US, Alvin Katz has been helping real estate investors and developers close their most important deals for more than 40 years. Alvin is consistently ranked in the top tier of Chicago real estate lawyers by Chambers USA: America's Leading Lawyers for Business, which quotes clients praising his "exceptional intelligence" and describe him ...