Atty. William Z. Duffy

Atty. William Z. Duffy

Mr. William Z.

Dallas Dallas 19 yrs experience 19 year
Call (214) 838-7726 Book Appointment

Profile Summary

About William Z. Duffy at a glance

William Z. Duffy is an Associate based in Dallas, Texas, practicing at McDole & Williams, PC. They have 19+ years of legal experience, licensed to practice since 2007. Their practice focuses on employment, business, ip, construction, and litigation. Admitted to practice in Texas (2007), U.S. District Court, Northern District of Texas (2009), U.S. District Court, Eastern District of Texas (2009), and U.S. Court of Appeals, Ninth Circuit (2010). Educated at South Texas College of Law (J.D., 2007) and University of Oklahoma (B.B.A., 2001). Serands clients in Dallas, TX and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Mr. William Z. Duffy is a lawyer practicing business law, construction law, intellectual property and 4 other areas of law
  • William received a B.B.A. degree from University of Oklahoma in 2001, and has been licensed for 19 years
  • William practices at McDole & Williams, PC in Dallas, TX

Practice Areas Explained

William Z. Duffy's Areas of Practice

Each practice area below reflects the types of cases William Z. Duffy handles, with a brief overview of what that area of law covers.

Employment Law

Employment lawyers represent workers in wrongful termination, discrimination, harassment, wage & hour disputes, and severance negotiations.

William Z. Duffy is one of 169,120 employment attorneys indexed nationally. Browse employment attorneys in Texas →

Business & Corporate Law

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

William Z. Duffy is one of 501,317 business attorneys indexed nationally. Browse business attorneys in Texas →

Intellectual Property

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

William Z. Duffy is one of 106,079 ip attorneys indexed nationally. Browse ip attorneys in Texas →

Construction Law

William Z. Duffy 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.

William Z. Duffy 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 William Z. Duffy

Where is William Z. Duffy's law office located?
William Z. Duffy's law practice is located in Dallas, Texas. The firm is McDole & Williams, PC. You can contact the office directly through this profile page.
What practice areas does William Z. Duffy handle?
William Z. Duffy focuses on employment, business, ip, construction, litigation. Each practice area listed reflects experience handling cases of that type in Texas.
How long has William Z. Duffy practiced law?
William Z. Duffy has 19+ years of legal experience and has been licensed since 2007.
Where did William Z. Duffy go to law school?
William Z. Duffy earned their education at (J.D., 2007); (B.B.A., 2001).
How can I contact William Z. Duffy for a consultation?
You can contact William Z. Duffy 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.
South Texas College of Law
- 2007
B.B.A.
University of Oklahoma
- 2001

Bar Admissions

Texas
Admitted: 2007
U.S. District Court, Northern District of Texas
Admitted: 2009
U.S. District Court, Eastern District of Texas
Admitted: 2009
U.S. Court of Appeals, Ninth Circuit
Admitted: 2010

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