Michael A. "Mike" Olsen

Lorraine M. Tyson is a top attorney recognized by Best Lawyers in the practice area(s) of Public Finance Law. Lorraine M., 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 Lorraine M. is held by other top lawyers in the same geographic and legal practice area.

A firm founder, visionary leader, and skilled litigator, Paul Slater handles high-stakes antitrust cases for private and public enterprises, including Fortune 500 companies. He pioneered the opt-out practice, representing companies as individual plaintiffs in industry-wide multidistrict antitrust litigation. This practice enables clients to tailor their claims and maximize their recoveries outside of class action proceedings, which often fail to meet individual client needs. Mr. Slater repres...

Building on work experience in the computer industry, Gregg Kirchhoefer's practice is focused on transactional and counseling matters primarily involving information technology, telecommunications, eCommerce, artificial intelligence, robotics, life sciences, pharma, biotechnology, other technologies, and intellectual property, corporate and commercial issues. Gregg founded the Firm’s intellectual property/technology transactions and outsourcing practice groups. In addition, Gregg works ...

Tom Donovan advises on patent and trademark litigation and prosecution, unfair competition and trade secret litigation, as well as a variety of licensing-related matters. Regardless of the client or the complexity of the matter at hand, Tom provides his clients with the guidance they need, in a way they can understand and apply to their daily business operations. Tom also has significant negotiation and drafting experience with software licensing, as well as patent, trademark and copyright li...

Kevin J. Feeley focuses his practice on the taxation of complex transactions, with particular emphasis on structuring and implementing partnership and limited liability company transactions, including joint ventures and private equity investments. In addition, Kevin has extensive experience in structuring mergers and acquisitions, tax-free reorganizations, recapitalizations and restructurings of financially troubled companies. He also has advised closely held companies, family offices, S corp...

Stephen L. Ritchie is a partner in the Chicago office of Kirkland & Ellis. Steve's practice is concentrated in the areas of complex business transactions, with a particular focus on structuring, negotiating and managing the legal aspects of mergers, acquisitions, leveraged buyouts, recapitalizations, venture capital and growth equity investments, restructurings and workouts. He has also served as lead counsel in the representation of numerous portfolio companies of private equity funds. P...

Lou’s clients look to him to counsel them and solve business problems, especially in dealer, distribution, and franchise law, prior to litigation. Lou’s experience as a first chair trial attorney in a variety of commercial disputes puts him in a prime position to resolve disputes successfully and finally whether through settlement, judgment, or appeal. Lou is a commercial litigator and counselor who assists motor vehicle manufacturers and franchisors navigate a complex set of laws...

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/

James J. Lukas, Jr. is Co-Chair of the Chicago Intellectual Property & Technology Practice. He focuses his practice on intellectual property litigation with a particular emphasis on patent litigation and related client counseling. He has experience with complex patent litigation cases in federal district courts throughout the country, including both enforcing patent rights and defending against charges of infringement on behalf of clients. He has first-chaired trials and claim constructio...

Steven H. Sklar is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Intellectual Property. Steven H., 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 Steven H. is held by other top lawyers in the same geographic and legal practice area.