R. Mark Halligan

Neil's practice is focused on both domestic and international transactions, including outsourcing (business process and information technology), software development, software, data, trademark, patent and technology licensing, telecommunications, commercial agreements (supply, distribution, development), joint ventures, and strategic alliances. In addition, Neil advises clients on the intellectual property and technology issues that arise in mergers, acquisitions, divestitures, recapitalizati...

John Callahan advises clients on health sector mergers and acquisitions. Public companies, private equity firms, nonprofit health systems, academic institutions and governmental entities have trusted John to assist them in executing their most critical transactions. His unique focus on corporate and healthcare law drives an efficient and client-oriented approach to executing transactions. John is Head of International Health M&A for the Firm. Read full biography: https://www.mwe.com/peopl...

Dunstan H. Barnes is a Partner at McAndrews and practices in all areas of intellectual property law with emphasis on protecting and analyzing design rights. His work in that area includes drafting and prosecuting design patent applications and conducting opinion work and due diligence investigations. In addition, Dunstan has considerable experience drafting and prosecuting utility patent applications and trademark applications across a range of technological fields and industries. As a practi...

L. Timothy Halleron focuses his practice on high-net-worth tax and estate planning matters. Tim advises individuals and family offices in planning for the preservation and transfer of wealth within families without the imposition of gift, estate or generation-skipping transfer tax. Read full biography: https://www.mwe.com/people/halleron-l-timothy/

Jeffrey G. Mote is a top attorney recognized by Best Lawyers in the practice area(s) of Patent Law. Jeffrey G., who practices law in Chicago, Illinois, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jeffrey G. is held by other top lawyers in the same geographic and legal practice area.

Andy Langan has broad experience as litigation and trial counsel in a variety of commercial, antitrust, and products liability cases including class actions. He has been principal counsel to major corporate clients in high-stakes class actions alleging violations of the antitrust laws, as well as class actions alleging products liability, mass tort and breach of warranty. Andy has also been principal counsel in high-profile merger investigations and related litigation. He has tried, as lead c...

Dennis is an innovative and creative thinker who helps clients find the best path to their desired goals. He has more than 35 years of experience over hundreds of transactions in the strategy, structure, and successful execution of mergers and acquisitions and other capital transactions. Dennis regularly advises clients on the mergers and acquisitions of financial institutions, the raising of additional capital through public and private offerings of equity and debt instruments, and other str...

Jacob M. Mattinson is a top attorney recognized by Best Lawyers in the practice area(s) of Employee Benefits (ERISA) Law. Jacob M., who practices law in Chicago, Illinois, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jacob M. is held by other top lawyers in the same geographic and legal practice area.

Tim Schafer, II is an experienced trial lawyer, handling cases involving personal injury or wrongful death caused by truck accidents, car accidents, medical malpractice, premises liability, product liability, train accidents and airplane crashes. During his career Tim has obtained two of the largest jury verdicts in the State of Indiana, $30,750,000 for brain damage and wrongful death caused in a premises liability case and $32,500,000.00 for brain damage caused to a young mother who was invo...

Andrew W. McCune is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law. Andrew W., who practices law in Chicago, Illinois, has been recognized since 2009. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Andrew W. is held by other top lawyers in the same geographic and legal practice area.