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Andrew L. Weil


Andy Weil has more than 30 years of experience in corporate and securities law matters.

These matters have included mergers and acquisitions, public and private financings, going private transactions, restructurings, joint ventures and partnerships, securities regulations, private equity and venture capital transactions, fund formation, commercial transactions, and general corporate and securities counseling. Andy has provided extensive representation in cross-border transactions and has handled numerous REIT and real estate-related transactions.

Andy has represented many issuers and underwriters in public financing, including initial public offerings of equity and debt securities. He has also represented purchasers, sellers and investors in a wide variety of merger and acquisition transactions, as well as representing both borrowers and lenders in a wide range of financing transactions.

Andy advises boards of directors and board committees in governance, corporate control/takeover defense, proxy fights and securities regulatory compliance issues. He has acted as an expert witness in litigation related to mergers and acquisitions. In addition, Andy has acted as corporate secretary for public company clients.

Bar admissionsIllinois
CourtsSupreme Court of the United StatesUnited States District Court for the Northern District of Illinois
  • J.D., Northwestern University School of Law
    Note and Comment Editor, Northwestern Journal of International Law and Business
  • B.A., Northwestern University 
    Phi Beta Kappa, Mortar Board
    with honors


Chambers USA

  • Band 2, Illinois Corporate/M&A (2023 – 2024)
  • Band 3, Illinois Corporate/M&A (2006 – 2022)
    Chambers comments, "Andrew Weil acts for clients selling and acquiring businesses. He is often seen advising on cross-border mandates." Clients say, "He sets the standard for client service and his responsiveness is outstanding." "He is a good advisor and collaborative lawyer who knows his field."
Additional Recognitions

Andy is recognized as a Leading Lawyer in the areas of Corporate Finance, Mergers and Acquisitions, and Securities and Venture Finance by the Law Bulletin Publishing Company. He has also been named an Illinois Super Lawyer in the areas of Business/Corporate, Mergers and Acquisitions, and Securities and Corporate Finance.  The Legal 500 United States has recommended Andy in the field of M&A Middle Market ($500M-$999M).

Acritas has named Andy to their "Acritas Stars" list from 2019 to 2022. This list highlights the stand-out lawyers in private practice as nominated by clients around the world. Andy has also been named to Thomson Reuters’ list of Stand-Out Lawyers from 2016 to 2023.


  • Panelist, "The Role of the Board for Private Companies," April 11, 2017

Prior Experience

Before joining DLA Piper, Andy was a partner in the corporate practice of an international law firm, where he served as chair of its nationwide securities/public company group.

Memberships And Affiliations

  • American Bar Association (ABA Business Law Chicago Host Committee)
  • Association for Corporate Growth, Chicago Chapter, Board Member
  • Chicago Bar Association
  • Chicago Council on Global Affairs
  • The Civic Federation, Board Member
  • The Economic Club of Chicago
  • National Association of Corporate Directors
  • National Association of Real Estate Investment Trusts (NAREIT)
  • Northwestern Law School Ray Garrett Jr. Corporate and Securities Law Institute, Executive Committee and Planning Committee
  • Society of Corporate Secretaries and Governance Professionals