Michael A. "Mike" Olsen
About Michael A. Olsen
Michael A. Olsen is a lawyer based in Chicago, IL and has been recognized in The Best Lawyers in America® since 2007. Michael A. Olsen is recognized in the following practice areas:
- Chicago, Illinois
- Arbitration
- Commercial Litigation
Current Firm: Mayer Brown
Education: DePaul University, J.D., graduated 1996
Location: Chicago, IL
Nearby Lawyers
Steve is a partner in the firm’s Litigation Department, where he represents clients in complex civil litigation matters before state and federal courts throughout the country. He has considerable experience with commercial disputes, constitutional challenges, statutory interpretation issues, and defamation and invasion of privacy suits. He is skilled at representing municipalities in cases involving so-called “locally undesirable land uses” such as airports, music amphitheat...
Founding partner Ted A. Meyers is a fourth-generation attorney who carries on his family’s tradition of fighting for justice for the ‘little guy’. Ted has a long and successful track record of taking on insurance companies that try to avoid their obligations to families whose lives have been upended by catastrophic events. "Every family deserves the same passion and commitment from their attorney that I'd demand for my own family." Ted works closely with the firm’s exp...
Brooks B. Gruemmer is a corporate partner with a wide-ranging practice representing private equity and other investment funds and private and public companies, with an emphasis on mergers, acquisitions, divestitures, recapitalizations, joint ventures, and the related financing required to fund such transactions. Read full biography: https://www.mwe.com/people/gruemmer-brooks-b/
Tony develops and implements global strategies for creating, protecting and enforcing the full range of traditional and digital intellectual property assets, including trademarks, copyrights, trade secrets, patents, domain names and social media portfolios. He enforces intellectual property rights in federal and state courts throughout the country and before the Trademark Trial and Appeal Board. He coordinates similar enforcement efforts all over the world. He manages the daily intellectual p...
Margaret Lomenzo Frey is a top attorney recognized by Best Lawyers in the practice area(s) of Private Funds / Hedge Funds Law. Margaret Lomenzo, 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 Margaret Lomenzo is held by other top lawyers in the same geographic and legal practice area.
Michael J. Baum is a top attorney recognized by Best Lawyers in the practice area(s) of Real Estate Law. Michael J., who practices law in Chicago, Illinois, has been recognized since 2016. 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.
Stephen T. Moore is a top attorney recognized by Best Lawyers in the practice area(s) of Health Care Law. Stephen T., who practices law in Rockford, Illinois, has been recognized since 2018. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Stephen T. is held by other top lawyers in the same geographic and legal practice area.
Former Illinois Director of Insurance Nat Shapo litigates, argues and briefs cases in federal and state appellate and district courts throughout the country for a variety of clients. He represents insurers, licensees and insurance trade associations in regulatory and public policy matters in dozens of states and with federal agencies and the National Association of Insurance Commissioners (NAIC). During his four years as Illinois insurance commissioner, Nat was elected to the NAIC Executive C...
Nicole K. Mann focuses her practice on all aspects of tax and estate planning, estate and trust administration and family business planning. She also has considerable experience in estate, trust and tax litigation involving disputes between and among family members, fiduciaries and beneficiaries. Nicole is a co-chair of the Firm’s Trust & Estate Controversy group. Read full biography: https://www.mwe.com/people/mann-nicole-k/
David Polster is a top attorney recognized by Best Lawyers in the practice area(s) of Tax Law. David, 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 David is held by other top lawyers in the same geographic and legal practice area.
Explore and Learn
2026 Best Lawyers Awards: Recognizing Legal Talent Across the United States
by Jamilla Tabbara
The 2026 editions highlight the top 5% of U.S. attorneys, showcase emerging practice areas and reveal trends shaping the nation’s legal profession.
Gun Rights for Convicted Felons? The DOJ Says It's Time.
by Bryan Driscoll
It's more than an administrative reopening of a long-dormant issue; it's a test of how the law reconciles the right to bear arms with protecting the public.
2026 Best Lawyers Awards in Canada: Marking 20 Years of Excellence
by Jamilla Tabbara
Honoring Canada’s most respected lawyers and spotlighting the next generation shaping the future of law.
How to Sue for Defamation: Costs, Process and What to Expect
by Bryan Driscoll
Learn the legal standards, costs and steps involved when you sue for defamation, including the difference between libel and slander.
Best Lawyers 2026: Discover the Honorees in Brazil, Mexico, Portugal, South Africa and Spain
by Jamilla Tabbara
A growing international network of recognized legal professionals.
Build Your Legal Practice with Effective Online Networking
by Jamilla Tabbara
How thoughtful online networking supports sustained legal practice growth.
Blogging for Law Firms: Turning Content into Client Connections
by Jamilla Tabbara
How law firms use blogs to earn trust and win clients.
Reddit’s Lawsuit Could Change How Much AI Knows About You
by Justin Smulison
Big AI is battling for its future—your data’s at stake.
How to Choose a Good Lawyer: Tips, Traits and Questions to Ask
by Laurie Villanueva
A Practical Guide for Your First-Time Hiring a Lawyer