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Thank you for considering our firm. We are proud of our reputation for zealously representing our clients and obtaining outstanding results. We serve the Greater Kalamazoo and Greater Grand Rapids areas; however, we have represented clients and litigated cases throughout West Michigan's state and federal courts.
To engage us to start work on your client's case, please call us at (888) 461-7744 in order to speak with one of our attorneys or paralegals. In case of an urgent matter or emergency, you may also reach us nights and weekends by calling (269) 492-1040. You may also contact us by email in order to set up an appointment for your client, set up a phone conference or request more information.



Willis Law offers experienced, zealous representation throughout West Michigan. Whether you need local counsel, have a conflict of interest, or require assistance outside your practice area, we’re here to help. We honor all ethical fee-sharing agreements and keep you informed while protecting your client relationships.


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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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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Mark Zigterman Accountant
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Margarita Jensen Intake Coordinator
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Patrick Willis Courier
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Rylan Smith Courier
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Chris Willis Courier
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Christian Willis Courier
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Devin Willis Receptionist
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Alex Lockwood
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Savannah Thompson Legal Assistant
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Walter Willis Courier

Our Firm Welcomes the Referral of:
- Matters outside of your area of expertise
- Matters where a conflict of interest exists
- Matters in the West Michigan, Greater Kalamazoo or Grand Rapids area that are either too inconvenient for your firm to handle or where no one in your firm is admitted to practice in Michigan
We have extensive experience handling federal court litigation and are available to take referred cases in the Western District of Michigan and Eastern District of Michigan.
In every case, we will protect your relationship with your client and provide you with information about the case and its progress. We are committed to engaging in and honoring fee-sharing arrangements with you that are consistent with the Michigan Rules of Professional Conduct. Please contact us to discuss any matters that you may wish to refer or in which you require local counsel.
At Willis Law, our attorneys have local roots and connections to the area's legal community. Our firm has locations in Kalamazoo, Grand Rapids, and Paw Paw, Michigan. The father of our firm's founding attorneys is the last-prior sitting Chief Probate Judge in Van Buren County. Our attorneys were born and raised in the area and have connections to people throughout the community and West Michigan. Our firm has steadily grown over the years through referrals from existing clients, co-counsel, opposing counsel, expert witnesses (both our own and those of our adversary) and members of the judiciary.


Dedicated to Our Client's Success
We put our money where our mouth is – each of our employees, from top to bottom, are rated by all other employees on how they are meeting core values – bonuses are paid each year based on the results.
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I can't recommend the incredible people and services of Willis Law! They are incredible benefactors of our community and are committed to making it a better place.- Adam S.
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I have been fortunate enough to work with Willis Law for the last few years. The team is very knowledgeable and always so responsive. I appreciate their insight and expertise which has added so much value to my life. Can't go wrong with this firm!- Ryan J.
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Willis Law is phenomenal! Fast response, polite, and courteous. Very capable. They will be the first I call if other legal services are needed. Highly recommended!- Sherry B.
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I experienced great personal attention from Willis Law. Everyone was above competent. I don’t doubt the quality of legal counsel I received!- Thomas F.
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All things went smoothly and as expected. Very pleased with the resulting estate plan.- Anonymous
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- James S.
I don’t know how Mariko could be better. She totally exceeded my expectations. If anyone I hear is in need of legal services, Willis will be the first words out of my mouth!
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Mariko was very professional, but it was also obvious she cared about what we were doing and made sure our experience was a good and productive one. Thank you!!- Tim F.
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- Anonymous
My wife and I thank you and your staff for navigating us through the estate process once again. It can be overwhelming at times. Your firm has been absolutely wonderful to work with.