R. Mark Halligan
About R. Mark Halligan
R. Mark Halligan is a lawyer based in Chicago, IL and has been recognized in The Best Lawyers in America® since 2013. R. Mark Halligan is recognized in the following practice areas:
- Chicago, Illinois
- Litigation - Intellectual Property
- Trade Secrets Law
Current Firm: FisherBroyles LLP
Education: Northwestern University, JD, graduated 1978
Location: Chicago, IL
Nearby Lawyers
Thomas A. Demetrio is a trial lawyer with an emphasis on medical negligence, product liability, airplane crash and commercial litigation on behalf of plaintiffs. He is Past President of the Chicago Bar Association and Illinois Trial Lawyers Association. He is a fellow of: The American College of Trial Lawyers The International Academy of Trial Lawyers The Inner Circle of Advocates Tom has been listed in Best Lawyers in America since its inception in 1987 and was named by Best Lawyers as the C...
Anthony Antognoli is a top attorney recognized by Best Lawyers in the practice area(s) of Employee Benefits (ERISA) Law. Anthony, 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 Anthony is held by other top lawyers in the same geographic and legal practice area.
Daniel N. Zucker focuses his practice on federal and state tax matters, with particular emphasis on structuring mergers and acquisitions, tax-free reorganizations, tax-free spin-offs and split-offs, and restructurings of financially troubled companies. He also advises closely held businesses on tax planning issues with a special focus on Subchapter S corporations. Daniel is co-chair of the Tax Department’s Acquisitions & Restructurings Group. Read full biography: https://www.mwe.com...
Brian Sodikoff is a top attorney recognized by Best Lawyers in the practice area(s) of Patent Law. Brian, who practices law in Chicago, Illinois, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Brian is held by other top lawyers in the same geographic and legal practice area.
Joe Madonia is leader of the firm’s Environmental Litigation team. For more than 25 years, Joe has defended and counseled clients on a wide array of toxic tort and environmental matters at the local, regional and national levels. Joe delivers strong skills as a litigator, multifaceted trial experience, and the regulatory know-how and scientific depth needed to problem-solve at virtually any level of sophistication or difficulty. His experience includes serving as national trial counsel ...
Josh is a first-chair trial lawyer and counselor. Many of the world’s highest profile companies trust him to resolve disputes in ways that align with their business goals. Clients also seek Josh out before disputes arise, helping them to calibrate business strategies to reduce the risk of litigation or maximize leverage from potential claims. Many of Josh’s clients are in the retail, manufacturing, and real estate development industries. He has championed their rights in a host of...
As bond and underwriter's counsel, Lewis Greenbaum advises state and local governments, nonprofits and public-private partnerships on a range of general obligation and revenue bond financings. With a public finance practice spanning more than 40 years, Lew has been involved in hundreds of high-profile public projects and public-private partnerships. Lew also advises on public finance legislation. He is the co-author of the Local Government Debt Reform Act and the Municipal Bond Reform Act, tw...
Mr. Cramer counsels and represents employers on a wide variety of labor and employment-related legal matters. He has advised clients ranging from small non-profits to Fortune 500 companies on employment matters, negotiated cost-effective resolutions to troubling disputes, and litigated to victory. Based on peer surveys, Mr. Cramer has achieved Martindale-Hubbell’s highest peer review rating (AV), and has been named among the Best Lawyers in America, a Leading Lawyer and an Illinois Supe...
Nadine Abrahams is office managing principal of the Chicago, Illinois, office of Jackson Lewis P.C. She represents management in employment cases in federal and state courts and before administrative agencies. Prior to joining Jackson Lewis, Nadine was a partner with another prominent national labor and employment firm. She previously was senior counsel for the Employment Litigation Division of the City of Chicago Law Department. She has been based in Chicago her entire career and has extensi...
Carolyn M. Passen is a top attorney recognized by Best Lawyers in the practice area(s) of Trademark Law. Carolyn M., who practices law in Chicago, Illinois, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Carolyn M. 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