Matthew P. "Matt" Diehr
About Matthew P. Diehr
Matthew P. Diehr is a lawyer based in St. Louis, MO and has been recognized in The Best Lawyers in America® since 2024. Matthew P. Diehr is recognized in the following practice area:
- St. Louis, Missouri
- Appellate Practice
Current Firm: Husch Blackwell LLP
Education: Washington University in St. Louis, J.D., graduated 2009
Location: St. Louis, MO
It takes just a few minutes to optimize your profile for clients looking to engage and lawyers who are ready to refer.
Activate your profile and highlight why your peers recognized in Best Lawyers today.
Nearby Lawyers
Don M. Downing is a former Missouri Chief Deputy Attorney General and managing partner of the St. Louis office of one of the region's largest law firms. As Chief Deputy Attorney General - Missouri's top appointed legal officer - from 1993 to 1995, Mr. Downing was the lead lawyer in cases involving consumer protection, antitrust, environmental, securities and many other areas of law. He appeared before the Supreme Court of the United States four times, including one case he personally argued. ...
Mark Piontek is a top attorney recognized by Best Lawyers in the practice area(s) of Municipal Law. Mark, who practices law in St. Louis, Missouri, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Mark is held by other top lawyers in the same geographic and legal practice area.
David L. Schenberg is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Labor and Employment. David L., who practices law in St. Louis, Missouri, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which David L. is held by other top lawyers in the same geographic and legal practice area.
Teneil Kellerman is a top attorney recognized by Best Lawyers in the practice area(s) of Personal Injury Litigation - Plaintiffs. Teneil, who practices law in St. Louis, Missouri, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Teneil is held by other top lawyers in the same geographic and legal practice area.
Joseph Demko is a top attorney recognized by Best Lawyers in the practice area(s) of Tax Law and Trusts and Estates. Joseph, who practices law in Clayton, Missouri, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Joseph is held by other top lawyers in the same geographic and legal practice area.
Harvard Muhm approaches his clients in a comprehensive way that transcends formulaic estate planning: Mr. Muhm is known for being independent-minded and an advocate for his clients. His knowledge of the law and experience with a wide variety of investment strategies enables him to bring his clients’ advisors together to work as a team. This multi-disciplinary approach leverages opportunities and enhances the benefits to the clients. Harvard served on the Board of Directors of Big Brothe...
James H. Ferrick is a top attorney recognized by Best Lawyers in the practice area(s) of Commercial Litigation. James H., who practices law in St. Louis, Missouri, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which James H. is held by other top lawyers in the same geographic and legal practice area.
Sarah Kuehnel is a top attorney recognized by Best Lawyers in the practice area(s) of Employment Law - Management and Litigation - Labor and Employment. Sarah, who practices law in St. Louis, Missouri, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Sarah is held by other top lawyers in the same geographic and legal practice area.
McPherson D. Moore is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Intellectual Property, Litigation - Patent and Patent Law. McPherson D., who practices law in Clayton, Missouri, has been recognized since 1995. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which McPherson D. is held by other top lawyers in the same geographic and legal practice area.
Richard B. Rothman is a top attorney recognized by Best Lawyers in the practice area(s) of Business Organizations (including LLCs and Partnerships) and Real Estate Law. Richard B., who practices law in St. Louis, Missouri, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Richard B. is held by other top lawyers in the same geographic and legal practice area.
Explore and Learn
The Family Law Loophole That Lets Sex Offenders Parent Kids
by Bryan Driscoll
Is the state's surrogacy framework putting children at risk?
Recognizing Legal Leaders: The 2027 Best Lawyers Awards in Australia, Japan and Singapore
by Jamilla Tabbara
Market drivers, diversity trends and the elite practitioners shaping the legal landscape.
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.
Holiday Pay Explained: Federal Rules and Employer Policies
by Bryan Driscoll
Understand how paid holidays work, when employers must follow their policies and when legal guidance may be necessary.
Can a Green Card Be Revoked?
by Bryan Driscoll
Revocation requires a legal basis, notice and the chance to respond before status can be taken away.
New Texas Family Laws Transform Navigating Divorce, Custody
by Bryan Driscoll
Reforms are sweeping, philosophically distinct and designed to change the way families operate.
How Far Back Can the IRS Audit You?
by Bryan Driscoll
Clear answers on IRS statutes of limitations, recordkeeping and what to do if you are under review.
US Tariff Uncertainty Throws Canada Into Legal Purgatory
by Bryan Driscoll
The message is clear: There is no returning to pre-2025 normalcy.
The 2026 Best Lawyers Awards in Chile, Colombia and Puerto Rico
by Jamilla Tabbara
The region’s most highly regarded lawyers.
Can You File Bankruptcy on Credit Cards
by Bryan Driscoll
Understanding your options for relief from overwhelming debt.