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Karsten & Bridges, LLC, is a Clayton-based, general-practice law firm providing seasoned legal counsel and outstanding representation to individuals, families and businesses throughout the St. Louis metropolitan area, and adjacent counties of St. Charles, Jefferson, Franklin and Lincoln. Our firm boasts an AV Rating from Martindale-Hubbell, which recognizes lawyers with very high to preeminent legal abilities. This rating – established by attorneys, for attorneys -- reflects our firm’s expertise, experience and integrity.  

Our superior team of attorneys possesses specialized knowledge in myriad areas of law, including family/domestic law; criminal/DWI/traffic law; estate planning and probate administration; personal injury; medical malpractice; and complicated, jurisdictional matters, among others. We personally meet with all clients, advise them of their options, and formulate effective action plans to protect their interests. In this way, we not only achieve remarkable results, but also offer our clients the peace of mind of knowing their cases are in the most capable hands.


From 2004 until 2018, the firm was known as Medler & Roither, LLC. However, we are very proud to announce that in February 2018, former founding Partner, David A. Roither, was appointed by the Missouri Governor as an Associate Circuit Judge to the 22nd Judicial Circuit of the State of Missouri. With David Roither’s appointment to the judiciary, the firm was reorganized as
Medler, Karsten & Bridges, LLC. Then, in December 2020, Partner Jeffrey P. Medler was appointed as an Associate Judge in the 21st Judicial Circuit Court. Today, attorneys Thomas J. Karsten and John T. Bridges carry on the firm’s longstanding tradition of excellence as Karsten & Bridges, LLC.


After many years of dedicating himself to international transactional law with the Mergers & Acquisitions practice group of the Chicago-based, multinational firm of Baker & McKenzie, in 2005, Thomas joined our former firm of Medler & Roither, LLC. Today, as Partner, Thomas’ practice is focused primarily on estate planning (Wills, Trusts, Powers of Attorney), probate matters (probate administration, guardianships, and conservatorships), and family law, with a special concentration on many unusually complicated areas of family law, such as Qualified Domestic Relations Orders (QDRO’s) in post-dissolution pension division; Prenuptial and Postnuptial Agreements; jurisdictional issues; and conflicts of law.   

Thomas holds a B.A. in Latin America Studies and Art/Art History from Rice University, and a J.D. from the St. Louis University School of Law. He lived in São Paulo and Rio de Janeiro, Brazil, for more than a decade and has studied various languages, including Portuguese, Spanish, French and Latin (Silver Medalist Winner of the National Latin Exam, sponsored by the American Classical League). He is a member of the Missouri Bar, the Bar Association of Metropolitan St. Louis, and the St. Louis County Bar Association. 


John T. Bridges is involved in all major areas of practice, particularly family law (including dissolution of marriage, paternity, child support and orders of protection), general civil litigation and criminal defense. John joined the firm of Medler & Roither, LLC, upon graduating law school and has risen to Partner since that time. He is increasingly representing children as a Guardian ad Litem in all areas of domestic relations and family law. John has been recognized as a “Missouri-Kansas Super Lawyers Rising Star” by the Missouri/Kansas Super Lawyers in the years 2015-2019. He also volunteers and provides pro bono services for The Kaufman Fund providing legal support for local veterans and their families.  

John holds a B.A in Political Science from St. Louis University, and a J.D. from the Saint Louis University School of Law. He is a certified Guardian ad Litem, and a member of the Missouri Bar, the Illinois Bar, the Bar of the United States District Court for the Eastern District of Missouri, the Bar Association of Metropolitan St. Louis, the St. Louis County Bar Association, and the St. Charles County Bar Association. John is married with two children and resides in Saint Louis County.   

BRITNEY HAMMONDS, Sr. Legal Assistant

Britney J. Hammonds is the Senior Legal Assistant at Karsten & Bridges LLC.
As Senior Legal Assistant, Britney understands that choosing an attorney can be a difficult decision, specifically in relation to matters as important as family law litigation and estate planning. She also handles traffic matters for the firm. Britney dedicates her time to making sure your concerns are addressed and your attorney is meeting all of your expectations.
Britney attended Saint Louis University and has been with Karsten & Bridges since 2013. Prior to working with Karsten & Bridges, Britney worked in various capacities involving client service and care.
In her free time, Britney enjoys spending time with her husband, two bonus children, and five American Bully Breed dogs.  

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