Av. William Mack Webner, Sr.

Av. William Mack Webner, Sr.

William Mack Webner, Sr. is a lawyer practicing litigation, trademark, copyright and unfair competition law, trade secret law and 1 other area of law. William Mack has been licensed for 58 years.

Washington Washington 58 Yıl Deneyim 58 yıl
Call (202) 738-1866 Book Appointment

Profile Summary

About William Mack Webner, Sr. at a glance

William Mack Webner, Sr. is a Member based in Washington, District of Columbia, practicing at Sughrue Mion, PLLC. They have 58+ years of legal experience, licensed to practice since 1968. Their practice focuses on trademark, copyright, ip, trade secrets, and litigation. Admitted to practice in Ohio (1968), New Jersey (1975), District of Columbia (1976), and Virginia (1977). Educated at New York University (LL.M. Trade, 1976). Recognitions include AV Preeminent. Active member of District of Columbia Bar (Member, Entertainment and Sports Law Section) Virginia, Ohio State, Illinois State and New Jersey State Bar Associations International Trademark Association American Intellectual Property Law Association. Serands clients in Washington, DC and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

Hakkında

  • William Mack Webner, Sr. is a lawyer practicing litigation, trademark, copyright and unfair competition law, trade secret law and 1 other area of law
  • William Mack has been licensed for 58 years
  • William Mack practices at Sughrue Mion, PLLC in Washington, DC

Practice Areas Explained

William Mack Webner, Sr.'s Areas of Practice

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

Trademark Law

William Mack Webner, Sr. is one of 23,222 trademark attorneys indexed nationally. Browse trademark attorneys in District of Columbia →

Copyright Law

William Mack Webner, Sr. is one of 17,495 copyright attorneys indexed nationally. Browse copyright attorneys in District of Columbia →

Intellectual Property

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

William Mack Webner, Sr. is one of 106,079 ip attorneys indexed nationally. Browse ip attorneys in District of Columbia →

Trade Secrets

William Mack Webner, Sr. is one of 6,644 trade secrets attorneys indexed nationally. Browse trade secrets attorneys in District of Columbia →

Civil Litigation

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

William Mack Webner, Sr. is one of 454,532 litigation attorneys indexed nationally. Browse litigation attorneys in District of Columbia →

Jurisdictional Context

Why local counsel matters in District of Columbia

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

Looking for additional District of Columbia attorneys? Browse all attorneys in Washington or all attorneys in District of Columbia.

Frequently Asked

Common questions about William Mack Webner, Sr.

Where is William Mack Webner, Sr.'s law office located?
William Mack Webner, Sr.'s law practice is located in Washington, District of Columbia. The firm is Sughrue Mion, PLLC. You can contact the office directly through this profile page.
What practice areas does William Mack Webner, Sr. handle?
William Mack Webner, Sr. focuses on trademark, copyright, ip, trade secrets, litigation. Each practice area listed reflects experience handling cases of that type in District of Columbia.
How long has William Mack Webner, Sr. practiced law?
William Mack Webner, Sr. has 58+ years of legal experience and has been licensed since 1968.
Where did William Mack Webner, Sr. go to law school?
William Mack Webner, Sr. earned their education at (LL.M. Trade, 1976).
How can I contact William Mack Webner, Sr. for a consultation?
You can contact William Mack Webner, Sr. 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 William Mack Webner, Sr. received?
William Mack Webner, Sr.'s notable recognition includes: AV Preeminent.

Eğitim

LL.M. Trade
New York University
- 1976

Ödüller

AV Preeminent

Bar Admissions

Ohio
Admitted: 1968
New Jersey
Admitted: 1975
District of Columbia
Admitted: 1976
Virginia
Admitted: 1977
U.S. District Court, Eastern District of Virginia, U.S. Court of Appeals, Fourth and Fifth Circuits
Admitted: 1980
U.S. Court of Customs and Patent Appeals
Admitted: 1982
U.S. Court of Appeals for the Federal Circuit
Admitted: 1982
U.S. Supreme Court, U.S. District Court, District of Columbia and U.S. Court of Appeals, Seventh Cir
Admitted: 1983
U.S. Court of Appeals, Sixth Circuit
Admitted: 1985

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