Atty. Douglas P. Dehler

Atty. Douglas P. Dehler

Douglas P. Dehler is a lawyer practicing class actions, appellate practice, business litigation and 1 other area of law.

Milwaukee Milwaukee 35 yrs experience 35 year
Call (414) 373-2359 Book Appointment

Profile Summary

About Douglas P. Dehler at a glance

Douglas P. Dehler is a Shareholder based in Milwaukee, Wisconsin, practicing at O'Neil, Cannon, Hollman, DeJong & Laing S.C.. They have 35+ years of legal experience, licensed to practice since 1991. Their practice focuses on business, class action, litigation, health care, and appellate. Admitted to practice in Wisconsin (1991), U.S. District Court, Western District of Wisconsin (1991), U.S. District Court, Eastern District of Wisconsin (1992), and U.S. Court of Appeals, Seventh Circuit (1995). Educated at University of Wisconsin (J.D., 1991) and Washington University (B.S.B.A., 1987). Recognitions include AV Preeminent. Active member of • Milwaukee Bar Association • American Bar Associations • State Bar of Wisconsin • Wisconsin Association for Justice. Serands clients in Milwaukee, WI and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Douglas P. Dehler is a lawyer practicing class actions, appellate practice, business litigation and 1 other area of law
  • Douglas received a B.S.B.A. degree from Washington University in 1987, and has been licensed for 35 years
  • Douglas practices at O'Neil, Cannon, Hollman, DeJong & Laing S.C. in Milwaukee, WI

Practice Areas Explained

Douglas P. Dehler's Areas of Practice

Each practice area below reflects the types of cases Douglas P. Dehler handles, with a brief overview of what that area of law covers.

Business & Corporate Law

Business attorneys advise founders and growing companies on entity formation, contracts, financing, M&A, and dispute resolution.

Douglas P. Dehler is one of 501,317 business attorneys indexed nationally. Browse business attorneys in Wisconsin →

Class Action

Douglas P. Dehler is one of 26,424 class action attorneys indexed nationally. Browse class action attorneys in Wisconsin →

Civil Litigation

Civil litigation attorneys for breach of contract, business disputes, civil rights, and class action lawsuits.

Douglas P. Dehler is one of 454,532 litigation attorneys indexed nationally. Browse litigation attorneys in Wisconsin →

Health Care Law

Health care attorneys for HIPAA, Medicare, Medicaid, regulatory compliance, and medical licensing matters.

Douglas P. Dehler is one of 66,735 health care attorneys indexed nationally. Browse health care attorneys in Wisconsin →

Appellate Practice

Appellate attorneys for civil and criminal appeals at state and federal court.

Douglas P. Dehler is one of 86,319 appellate attorneys indexed nationally. Browse appellate attorneys in Wisconsin →

Jurisdictional Context

Why local counsel matters in Wisconsin

Practicing law in Wisconsin. Legal matters in Wisconsin are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Milwaukee are typically filed in the local municipal court or the appropriate Wisconsin state district court, depending on subject matter and amount in controversy. An attorney licensed in Wisconsin brings working knowledge of local procedural deadlines, judicial practices in this andnue, and the substantive law that applies to cases brought here. Out-of-state attorneys generally cannot represent clients in Wisconsin courts without local counsel or pro hac vice admission.

Looking for additional Wisconsin attorneys? Browse all attorneys in Milwaukee or all attorneys in Wisconsin.

Frequently Asked

Common questions about Douglas P. Dehler

Where is Douglas P. Dehler's law office located?
Douglas P. Dehler's law practice is located in Milwaukee, Wisconsin. The firm is O'Neil, Cannon, Hollman, DeJong & Laing S.C.. You can contact the office directly through this profile page.
What practice areas does Douglas P. Dehler handle?
Douglas P. Dehler focuses on business, class action, litigation, health care, appellate. Each practice area listed reflects experience handling cases of that type in Wisconsin.
How long has Douglas P. Dehler practiced law?
Douglas P. Dehler has 35+ years of legal experience and has been licensed since 1991.
Where did Douglas P. Dehler go to law school?
Douglas P. Dehler earned their education at (J.D., 1991); (B.S.B.A., 1987).
How can I contact Douglas P. Dehler for a consultation?
You can contact Douglas P. Dehler directly through this profile page. Click "Ask the Attorney" to submit a question, or "Schedule a Consultation" to book a meeting. Most claimed-profile attorneys respond within one business day.
What awards or recognition has Douglas P. Dehler received?
Douglas P. Dehler's notable recognition includes: AV Preeminent.

Education

J.D.
University of Wisconsin
- 1991
B.S.B.A.
Washington University
- 1987

Awards

AV Preeminent

Bar Admissions

Wisconsin
Admitted: 1991
U.S. District Court, Western District of Wisconsin
Admitted: 1991
U.S. District Court, Eastern District of Wisconsin
Admitted: 1992
U.S. Court of Appeals, Seventh Circuit
Admitted: 1995
U.S. Supreme Court
Admitted: 2001

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