• Mauer Law Firm

    Creative. Tenacious. Efficient.

1100 Main Street, Suite 2100
Kansas City, MO 64105

Phone — 816-759-3300
Fax — 816-759-3399

The Mauer Law Firm prides itself on solving your problem in a creative, efficient way.

Steve Mauer and Debbie Moeller are former large firm lawyers who offer big firm capabilities with the personal attention, focus and flexibility our clients expect from a small firm. The Mauer Law Firm (formerly Zerger & Mauer) was formed with the vision of creating a firm that was more creative, tenacious and efficient while still delivering big firm results. We care about our clients’ businesses. We want our clients to be more than satisfied with the legal services we deliver.


We pride ourselves on taking a creative approach to solving business problems. We strive to stay at the cutting edge of innovation so that we can quickly and creatively respond to the various needs of our clients.


We believe strongly in the work that we do. The talent and experience that we offer our clients is instrumental in creating solutions that drive long lasting results.


Clients are the focus of everything we do. Providing efficient and excellent client service is a top priority. We understand that our work affects our clients’ business which is why we understand the importance of delivering results in a timely manner.

Practice Areas

Commercial Litigation

Employment Counseling & Defense

Trust Litigation

Contract & Tort Actions

Products Liability

We represent medical drug and device companies, financial institutions, businesses, municipalities, and individuals in complex commercial litigation, employment counseling and defense, trust litigation and contract and tort actions.

The Mauer Law Firm was selected as national trial counsel for Permobil, Inc., the leading manufacturer of manual and power wheelchairs along with associated seating and positioning products.

The Mauer Law Firm acts as trial counsel for PCG, Inc., an industry leading contractor and subcontractor with operations throughout the United States.

The Mauer Law Firm was selected to serve as City Attorneys in all matters for the City of Roeland Park, Kansas, a highly recognized first tier city in northeast Johnson County, Kansas.

Contact us at 816-759-3300.

The Team

Steve Mauer

Steven Mauer is a civil trial lawyer focusing on commercial litigation. Prior to founding the Mauer Law Firm, Steve was a long-time partner with an international Kansas City law firm where he represented a variety of businesses and municipalities as plaintiffs and defendants. For years, Steve has served as the litigation coordinator for several clients and represented them in a wide variety of disputes.

Debbie Moeller

Debbie is an experienced litigator who has defended corporations in products liability and other civil actions for over twenty-five years. She has developed a pragmatic approach by successfully handling numerous global mass tort and MDL matters. She has served as national counsel for several Fortune 500 companies.

Elizabeth Crotty

Elizabeth Crotty has worked as a paralegal since 1982, and has experience in product liability, negligence, personal injury, insurance, commercial and construction litigation. She is a member of the Kansas City Paralegal Association and was previously their representative to the National Association of Legal Assistants and the local Policy Director.

Chrissy Roto Smith

Chrissy Roto Smith joined the Mauer Law Firm in June 2017 after graduating with honors from the University of Missouri – Kansas City Law School. Chrissy brings to the firm a wide range of experience in all levels of the legal system from the US Attorneys’ Office to Federal Courts; from complex civil litigation to federal prisoner and immigration cases. With a focus on civil, commercial and municipality litigation, Chrissy is highly skilled in every step of the litigation process, including research and analysis, discovery, preparing briefs and trial preparation.

Alex Felzien

Alex Felzien joined the Mauer Law Firm in June 2019 after clerking for The Honorable Jennifer M. Phillips in the circuit court of Jackson County, Missouri. Alex graduated from University of Missouri – Kansas City Law School in 2017. During law school Alex clerked for The Honorable Stephen N. Limbaugh, Jr. District Judge for the Eastern District of Missouri in Cape Girardeau, Missouri. Alex will focus on commercial and municipality litigation.

Sarah Charlton

Sarah Charlton joined the Mauer Law Firm in 2012. She is the Office Manager and Administrative Assistant for the firm and handles all day-to-day functions and management of the firm. All inquiries regarding scheduling, purchasing, or accounting should be directed first to Sarah.