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 yrs experience 24 year
Call (314) 860-4259 Book Appointment

Insurance Coverage Litigation & More Attorney · Serving St. Louis, MO · 24+ Years Experience

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 October 2026

About 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
  • Daniel practices at Armstrong Teasdale LLP in St. Louis, MO

Practice Areas Explained

Daniel Eugene Sakaguchi's Areas of Legal Practice

Each practice area below reflects the types of cases Daniel Eugene Sakaguchi handles, with a practical overview of what that area of law involves and how it may apply to your situation in St. Louis.

Business & Corporate Law in St. Louis

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

Daniel Eugene Sakaguchi is one of 497,491 business attorneys indexed nationally. Browse business attorneys in Missouri →

Intellectual Property in St. Louis

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

Daniel Eugene Sakaguchi is one of 105,285 ip attorneys indexed nationally. Browse ip attorneys in Missouri →

Social Security Disability in St. Louis

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

Daniel Eugene Sakaguchi is one of 26,311 ssd attorneys indexed nationally. Browse ssd attorneys in Missouri →

Civil Litigation in St. Louis

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

Daniel Eugene Sakaguchi is one of 450,751 litigation attorneys indexed nationally. Browse litigation attorneys in Missouri →

Health Care Law in St. Louis

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

Daniel Eugene Sakaguchi is one of 66,157 health care attorneys indexed nationally. Browse health care attorneys in Missouri →

Jurisdictional Context

Why Local Counsel Matters in St. Louis

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.

St. Louis Courts and Legal Process

Choosing a St. Louis-based attorney means your counsel already knows the local docketing timelines, preferred filing formats, and how individual judges typically rule on procedural motions — details that only come from practicing in this jurisdiction day after day. That local familiarity can translate to better strategy, faster filings, and fewer costly surprises.

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.

Professional Profile

Why Clients in St. Louis Choose Daniel Eugene Sakaguchi

Selecting an attorney is one of the most consequential decisions you can make when a legal matter arises. Below are the core qualities that distinguish Daniel Eugene Sakaguchi's practice in the field of business, ip, ssd, litigation, and health care.

Decade-Tested Legal Experience

Daniel Eugene Sakaguchi brings 24+ years of hands-on legal practice — enough to have navigated the recurring fact patterns, procedural traps, and negotiation dynamics that shape case outcomes.

Multi-State Bar Admission

Licensed in California, Missouri, and Illinois, Daniel Eugene Sakaguchi can represent clients in cases that span state lines or require counsel in multiple jurisdictions.

Broad Practice Area Coverage

Covering business, ip, and ssd, Daniel Eugene Sakaguchi can address the full spectrum of a client's legal needs without requiring referrals to separate specialists for each issue.

Local Presence in St. Louis

A St. Louis-based practice means Daniel Eugene Sakaguchi attends hearings in the same courthouses, knows the local clerks, and understands the unwritten scheduling norms that affect every case filed here.

Case Types

Common Legal Issues Daniel Eugene Sakaguchi Handles in St. Louis

Below is a representative sample of the types of matters Daniel Eugene Sakaguchi has experience with under Missouri law. If your situation involves one of these case categories, this attorney may be well positioned to help you understand your options.

Business formation and structure
Business
Contract drafting and review
Business
Partnership disputes
Business
Merger and acquisition support
Business
Trademark registration
IP
Copyright infringement defense
IP
Patent prosecution
IP
Trade secret protection
IP

This list is illustrative, not exhaustive. Contact Daniel Eugene Sakaguchi directly to discuss the specifics of your situation.

Search Reference

How People Find Daniel Eugene Sakaguchi Online

Prospective clients searching for legal help in St. Louis commonly use a combination of the attorney's name and their specific legal need. The following search terms frequently lead people to this profile and to attorneys like Daniel Eugene Sakaguchi.

Daniel Eugene Sakaguchi attorney Daniel Eugene Sakaguchi lawyer Daniel Eugene Sakaguchi St. Louis Daniel Eugene Sakaguchi Missouri Daniel Eugene Sakaguchi reviews Daniel Eugene Sakaguchi contact Armstrong Teasdale LLP law firm business attorney in St. Louis business lawyer St. Louis best business attorney St. Louis top rated business lawyer near me business attorney Missouri find a lawyer near me how to hire an attorney

If any of the above matches what you searched for, you've found the right profile. Use the contact options at the top of this page to get in touch with Daniel Eugene Sakaguchi directly.

Education & Law School Background

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

Bar Admissions & Licensed Jurisdictions

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

Client Reviews & Ratings — Daniel Eugene Sakaguchi

These reviews belong to platform users; they do not constitute advertisement or promotion for the attorney. Opinions are published for informational purposes only.

No reviews yet.