Atty. John W. Slates

Atty. John W. Slates

John Slates is Board Certified in Construction Law and focuses his practice on representing general contractors, owners, and developers. John is an accomplished trial lawyer who has first-chaired numerous cases to verdicts, including cases that have been recognized by the National Law Journal’s " Top 100 Verdicts" and Verdict Search’s "Top Texas Verdicts." He has also successfully argued before the Texas Supreme Court in Lennar Corporation v.

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Profile Summary

About John W. Slates at a glance

John W. Slates is a business, construction, and litigation attorney based in Dallas, Texas, practicing at Slates Harwell Campbell LLP. Educated at Georgetown University (—, 1995) and Georgetown University (—, 1995). Recognitions include Best Lawyers in America — Commercial Litigation (2026), Best Lawyers in America — Construction Law (2026), and Best Lawyers in America — Litigation - Construction (2026). Serands clients in Dallas, TX and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

Über uns

  • John Slates is Board Certified in Construction Law and focuses his practice on representing general contractors, owners, and developers
  • John is an accomplished trial lawyer who has first-chaired numerous cases to verdicts, including cases that have been recognized by the National Law Journal’s "Top 100 Verdicts" and Verdict Search’s "Top Texas Verdicts
  • He has also successfully argued before the Texas Supreme Court in Lennar Corporation v
  • Markel American Insurance Company
  • John has negotiated over $9 billion in design and construction contracts for some of the most high-profile projects recently built in North Texas, including the Toyota Corporate Headquarters, as well as a wide array of other commercial projects
  • John served on the Texas State Bar Construction Law Council and Foundation from 2017-2020, is currently the Chair of the Dallas Bar Association Construction Law Section, and is a frequent speaker on construction-related topics at legal and industry conferences

Practice Areas Explained

John W. Slates's Areas of Practice

Each practice area below reflects the types of cases John W. Slates 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.

John W. Slates is one of 501,317 business attorneys indexed nationally. Browse business attorneys in Texas →

Construction Law

John W. Slates is one of 40,689 construction attorneys indexed nationally. Browse construction attorneys in Texas →

Civil Litigation

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

John W. Slates is one of 454,532 litigation attorneys indexed nationally. Browse litigation attorneys in Texas →

Jurisdictional Context

Why local counsel matters in Texas

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

Looking for additional Texas attorneys? Browse all attorneys in Dallas or all attorneys in Texas.

Frequently Asked

Common questions about John W. Slates

Where is John W. Slates's law office located?
John W. Slates's law practice is located in Dallas, Texas. The firm is Slates Harwell Campbell LLP. You can contact the office directly through this profile page.
What practice areas does John W. Slates handle?
John W. Slates focuses on business, construction, litigation. Each practice area listed reflects experience handling cases of that type in Texas.
Where did John W. Slates go to law school?
John W. Slates earned their education at (—, 1995); (—, 1995).
How can I contact John W. Slates for a consultation?
You can contact John W. Slates 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 John W. Slates received?
John W. Slates's notable recognition includes: Best Lawyers in America — Commercial Litigation; Best Lawyers in America — Construction Law; Best Lawyers in America — Litigation - Construction; Best Lawyers in America — Awards:; Best Lawyers in America — Board Certified in Construction Law by the Texas Board of Legal Specialization, Inaugural Class (2017 - present).

Education

Georgetown University
- 1995
Georgetown University
- 1995

Awards

Best Lawyers in America — Commercial Litigation
- 2026
Best Lawyers in America — Construction Law
- 2026
Best Lawyers in America — Litigation - Construction
- 2026
Best Lawyers in America — Awards:
- 2026
Best Lawyers in America — Board Certified in Construction Law by the Texas Board of Legal Specialization, Inaugural Class (2017 - present)
- 2026
Best Lawyers in America — Chambers & Partners USA Guide
- 2026
Best Lawyers in America — , Construction (Texas) (2016 – 2022)
- 2026
Best Lawyers in America — The Best Lawyers in America
- 2026
Best Lawyers in America — , Construction Law, Texas (2013 - 2023)
- 2026
Best Lawyers in America — Texas Monthly
- 2026
Best Lawyers in America — (Construction Litigation) (A
- 2026
Best Lawyers in America — Thomson Reuters
- 2026
Best Lawyers in America — Service)
- 2026
Best Lawyers in America — (Construction Litigation, Construction Surety) (A
- 2026
Best Lawyers in America — Texas Lawyer
- 2026
Best Lawyers in America — , September 2, 2013
- 2026
Lawyer of the Year — Litigation - Construction (Dallas/Fort Worth)
- 2025

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