Atty. J Walter Sinclair

Atty. J Walter Sinclair

J Walter Sinclair is a lawyer practicing commercial litigation, business litigation. J received a B.A. degree from Stanford University in 1975, and has been licensed for 48 years.

Boise Boise 48 Years Experience 48 year
Call (208) 994-3066

Profile Summary

About J Walter Sinclair at a glance

J Walter Sinclair is a Partner based in Boise, Idaho, practicing at Stoel Rives LLP. They have 48+ years of legal experience, licensed to practice since 1978. Their practice focuses on business and litigation. Admitted to practice in Idaho (1978), Washington (2002), and Oregon U.S. District Court, Districts of Idaho U.S. District Court, Washington U.S. District Court, (2004). Educated at University of Idaho Law School (J.D., 1978) and Stanford University (B.A. Economics, 1975). Recognitions include AV Preeminent. Serves clients in Boise, ID and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • J Walter Sinclair is a lawyer practicing commercial litigation, business litigation
  • J received a B.A. degree from Stanford University in 1975, and has been licensed for 48 years
  • J practices at Stoel Rives LLP in Boise, ID

Practice Areas Explained

J Walter Sinclair's Areas of Practice

Each practice area below reflects the types of cases J Walter Sinclair 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.

J Walter Sinclair is one of 452,854 business attorneys indexed nationally. Browse business attorneys in Idaho →

Civil Litigation

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

J Walter Sinclair is one of 409,070 litigation attorneys indexed nationally. Browse litigation attorneys in Idaho →

Jurisdictional Context

Why local counsel matters in Idaho

Practicing law in Idaho. Legal matters in Idaho are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Boise are typically filed in the local municipal court or the appropriate Idaho state district court, depending on subject matter and amount in controversy. An attorney licensed in Idaho 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 Idaho courts without local counsel or pro hac vice admission.

Looking for additional Idaho attorneys? Browse all attorneys in Boise or all attorneys in Idaho.

Frequently Asked

Common questions about J Walter Sinclair

Where is J Walter Sinclair's law office located?
J Walter Sinclair's law practice is located in Boise, Idaho. The firm is Stoel Rives LLP. You can contact the office directly through this profile page.
What practice areas does J Walter Sinclair handle?
J Walter Sinclair focuses on business, litigation. Each practice area listed reflects experience handling cases of that type in Idaho.
How long has J Walter Sinclair practiced law?
J Walter Sinclair has 48+ years of legal experience and has been licensed since 1978.
Where did J Walter Sinclair go to law school?
J Walter Sinclair earned their education at (J.D., 1978); (B.A. Economics, 1975).
How can I contact J Walter Sinclair for a consultation?
You can contact J Walter Sinclair 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 J Walter Sinclair received?
J Walter Sinclair's notable recognition includes: AV Preeminent.

Education

J.D.
University of Idaho Law School
- 1978
B.A. Economics
Stanford University
- 1975

Awards

AV Preeminent

Bar Admissions

Idaho
Admitted: 1978
Washington
Admitted: 2002
Oregon U.S. District Court, Districts of Idaho U.S. District Court, Washington U.S. District Court,
Admitted: 2004

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