Atty. Daniel Eugene Sakaguchi

Atty. Daniel Eugene Sakaguchi

Daniel Eugene Sakaguchi is a lawyer practicing litigation, life, health & disability, insurance coverage & litigation and 4 other areas of law. Daniel received a B.A. degree from University of California, Berkeley in 1995, and has been licensed for 24 years.

St. Louis St. Louis 24 Years Experience 24 year
Call (314) 860-4259

Profile Summary

About Daniel Eugene Sakaguchi at a glance

Daniel Eugene Sakaguchi is a Partner based in St. Louis, Missouri, practicing at Armstrong Teasdale LLP. They have 24+ years of legal experience, licensed to practice since 2002. Their practice focuses on business, ip, ssd, litigation, and health care. Admitted to practice in California (2002), Missouri (2003), and Illinois (2004). Educated at University of California, Berkeley School of Law - Boalt Hall (J.D., 2002) and University of California, Berkeley (B.A. German, 1995). Active member of The Missouri Bar State Bar of California American Bar Association Missouri Asian American Bar Association National Asian American Bar Association. Serves clients in St. Louis, MO and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Daniel Eugene Sakaguchi is a lawyer practicing litigation, life, health & disability, insurance coverage & litigation and 4 other areas of law
  • Daniel received a B.A. degree from University of California, Berkeley in 1995, and has been licensed for 24 years
  • Daniel practices at Armstrong Teasdale LLP in St. Louis, MO

Practice Areas Explained

Daniel Eugene Sakaguchi's Areas of Practice

Each practice area below reflects the types of cases Daniel Eugene Sakaguchi 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.

Daniel Eugene Sakaguchi is one of 452,854 business attorneys indexed nationally. Browse business attorneys in Missouri →

Intellectual Property

IP attorneys protect inventions, brands, and creative work through patent prosecution, trademark registration, copyright, and trade-secret enforcement.

Daniel Eugene Sakaguchi is one of 94,505 ip attorneys indexed nationally. Browse ip attorneys in Missouri →

Social Security Disability

SSDI and SSI attorneys for disability claims, denied benefits, and Social Security appeals.

Daniel Eugene Sakaguchi is one of 24,024 ssd attorneys indexed nationally. Browse ssd attorneys in Missouri →

Civil Litigation

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

Daniel Eugene Sakaguchi is one of 409,070 litigation attorneys indexed nationally. Browse litigation attorneys in Missouri →

Health Care Law

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

Daniel Eugene Sakaguchi is one of 59,895 health care attorneys indexed nationally. Browse health care attorneys in Missouri →

Jurisdictional Context

Why local counsel matters in Missouri

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

Looking for additional Missouri attorneys? Browse all attorneys in St. Louis or all attorneys in Missouri.

Frequently Asked

Common questions about Daniel Eugene Sakaguchi

Where is Daniel Eugene Sakaguchi's law office located?
Daniel Eugene Sakaguchi's law practice is located in St. Louis, Missouri. The firm is Armstrong Teasdale LLP. You can contact the office directly through this profile page.
What practice areas does Daniel Eugene Sakaguchi handle?
Daniel Eugene Sakaguchi focuses on business, ip, ssd, litigation, health care. Each practice area listed reflects experience handling cases of that type in Missouri.
How long has Daniel Eugene Sakaguchi practiced law?
Daniel Eugene Sakaguchi has 24+ years of legal experience and has been licensed since 2002.
Where did Daniel Eugene Sakaguchi go to law school?
Daniel Eugene Sakaguchi earned their education at (J.D., 2002); (B.A. German, 1995).
How can I contact Daniel Eugene Sakaguchi for a consultation?
You can contact Daniel Eugene Sakaguchi 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.

Education

J.D.
University of California, Berkeley School of Law - Boalt Hall
- 2002
B.A. German
University of California, Berkeley
- 1995

Bar Admissions

California
Admitted: 2002
Missouri
Admitted: 2003
Illinois
Admitted: 2004

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