
Business Litigation Appeals Attorneys in Kalamazoo, MI
Representing Clients in High-Stakes Appeals Throughout Western Michigan
At Willis Law, we understand that business litigation can impact your company’s finances, operations, and reputation. When a trial court decision jeopardizes your future or misses key legal arguments, our skilled appellate attorneys are here to protect your interests. Our Business Litigation Appeals team provides strategic representation in complex commercial disputes at both state and federal appellate levels.
Whether it’s contract disputes or intellectual property challenges, our expertise in appellate law ensures your case is handled with precision and dedication. We are committed to securing the best possible outcome for our clients in Kalamazoo, Grand Rapids, and beyond, providing your business with the trusted support it deserves.
Not sure where to begin? Our firm can help. Contact us online or call (888) 461-7744 today to schedule a free consultation.
Strategic Advocacy for Business Litigation Appeals in Michigan and Beyond
Willis Law provides skilled appellate representation across a broad spectrum of business and civil litigation cases, delivering trusted expertise to navigate complex legal challenges.
We handle appeals in courts across Michigan and the United States, including:
- Michigan Supreme Court
- Michigan Court of Appeals
- United States Court of Appeals for the Sixth Circuit
- United States Court of Appeals for the Fifth Circuit
- United States Supreme Court
Our appellate team is led by Samuel R. Gilbertson, J.D., our managing partner. He is licensed to practice law in both Michigan and Indiana. Recognized as a Rising Star by Michigan Super Lawyers—a distinction earned by just 2.5% of attorneys in the state—he has established himself as a standout in his field.




Compassion with Purpose
Building a Legacy of Faith, Family, Freedom and Firm by Changing the Way Law is Practiced
At Willis Law, we are a full-service firm committed to guiding clients through life’s legal challenges with steady counsel, compassionate service, and unwavering integrity. Whether you're facing a storm or preparing for the future, we’re here to walk with you - every step of the way.
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For Our Clients and Our Team
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God is 1st, Others are 2nd
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Advance Together
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Hold Each Other Accountable

The People Who Walk Beside You
Guiding You with Experience, Integrity, and Heart
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Michael J. Willis J.D., C.P.A. Director and Co-Founder
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Shaun P. Willis J.D. Director and Co-Founder
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Samuel R. Gilbertson J.D. Managing Partner
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Davis C. Martin, J.D. Partner
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Donald H. Smith, J.D. Attorney/Partner
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Robert Wilson Chief Financial Officer
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Frank D. Willis J.D. Chief Senior Counsel
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Paul Morgan, J.D. Senior Counsel Attorney
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Chico S. Obande J.D. Attorney
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Jennifer L. Grahek, J.D. Attorney
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Aric D. Kasel, J.D. Attorney
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Cody Hayward, J.D. Attorney
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Austin J. Beaudet Attorney
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Mariko C. Willis, J.D. Of Counsel Attorney
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Verelle Kirkwood J.D. Of Counsel Attorney
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Kristyn Meulenberg J.D. Of Counsel Attorney
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Nicholas Vogelzang Of Counsel Asbestos Litigation Attorney
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Larry E. Henneman Of Counsel Patent Attorney
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Wally Ferrara Operations Manager
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Mark Zigterman Accountant
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Michele Guyman Paralegal
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Brian Thompson Paralegal
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Angela Doster Paralegal
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Clare Zemlick Legal Assistant
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Patty Stickels Legal Assistant
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Kay Davidson Legal Assistant
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Jessica Janik Legal Assistant
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Elizabeth Doolittle Administrative Assistant
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Patrick Willis Courier
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Alex Lockwood
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Rylan Smith Courier
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Christian Willis Courier
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Chris Willis Courier
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Taiylar Moyer Courier
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Margarita Jensen Intake Coordinator
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Devin Willis Receptionist
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Savannah Thompson Legal Assistant
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Walter Willis Courier