Atty. William Mitchell Gantz

Atty. William Mitchell Gantz

William Mitchell Gantz is a lawyer practicing gaming and digital entertainment, patent litigation, trade secrets litigation and 8 other areas of law. William received a A.B. degree from University of Chicago in 1987, and .

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Gaming and Digital Entertainment & More Attorney · Serving Boston, MA

Profile Summary

About William Mitchell Gantz at a Glance

William Mitchell Gantz is a Partner based in Boston, Massachusetts, practicing at Duane Morris LLP. Their practice focuses on patent, business, ip, class action, and trade secrets. Educated at The Ohio State University, Michael E. Moritz College of Law (J.D., 1990) and University of Chicago (A.B. English, 1987). Recognitions include Peer Reviewed. Active member of Professional Activities • Gaming Law Review - Editorial Board •International Masters of Gaming Law - General Member, 2013-present •International Association of Gaming Advisors (IAGA) •Trial Bar of the U, S, and District Court for the Northern District of Illinois •Chicago Bar Association - Committee on Business Divorce and Complex Ownership Disputes, Founding Member. Serves clients in Boston, MA and the surrounding metropolitan area.

Verified attorney profile · Updated October 2026

About William Mitchell Gantz

  • William Mitchell Gantz is a lawyer practicing gaming and digital entertainment, patent litigation, trade secrets litigation and 8 other areas of law
  • William received a A.B. degree from University of Chicago in 1987, and
  • William practices at Duane Morris LLP in Boston, MA and 1 other location

Practice Areas Explained

William Mitchell Gantz's Areas of Legal Practice

Each practice area below reflects the types of cases William Mitchell Gantz handles, with a practical overview of what that area of law involves and how it may apply to your situation in Boston.

Patent Law in Boston

William Mitchell Gantz is one of 20,632 patent attorneys indexed nationally. Browse patent attorneys in Massachusetts →

Business & Corporate Law in Boston

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

William Mitchell Gantz is one of 497,491 business attorneys indexed nationally. Browse business attorneys in Massachusetts →

Intellectual Property in Boston

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

William Mitchell Gantz is one of 105,285 ip attorneys indexed nationally. Browse ip attorneys in Massachusetts →

Class Action in Boston

William Mitchell Gantz is one of 26,226 class action attorneys indexed nationally. Browse class action attorneys in Massachusetts →

Trade Secrets in Boston

William Mitchell Gantz is one of 6,604 trade secrets attorneys indexed nationally. Browse trade secrets attorneys in Massachusetts →

Jurisdictional Context

Why Local Counsel Matters in Boston

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

Boston Courts and Legal Process

Choosing a Boston-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 Massachusetts attorneys? Browse all attorneys in Boston or all attorneys in Massachusetts.

Frequently Asked

Common Questions About William Mitchell Gantz

Where is William Mitchell Gantz's law office located?
William Mitchell Gantz's law practice is located in Boston, Massachusetts. The firm is Duane Morris LLP. You can contact the office directly through this profile page.
What practice areas does William Mitchell Gantz handle?
William Mitchell Gantz focuses on patent, business, ip, class action, trade secrets. Each practice area listed reflects experience handling cases of that type in Massachusetts.
Where did William Mitchell Gantz go to law school?
William Mitchell Gantz earned their education at (J.D., 1990); (A.B. English, 1987).
How can I contact William Mitchell Gantz for a consultation?
You can contact William Mitchell Gantz 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 Mitchell Gantz received?
William Mitchell Gantz's notable recognition includes: Peer Reviewed.

Professional Profile

Why Clients in Boston Choose William Mitchell Gantz

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 William Mitchell Gantz's practice in the field of patent, business, ip, class action, and trade secrets.

Broad Practice Area Coverage

Covering patent, business, and ip, William Mitchell Gantz can address the full spectrum of a client's legal needs without requiring referrals to separate specialists for each issue.

Local Presence in Boston

A Boston-based practice means William Mitchell Gantz 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 William Mitchell Gantz Handles in Boston

Below is a representative sample of the types of matters William Mitchell Gantz has experience with under Massachusetts 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 William Mitchell Gantz directly to discuss the specifics of your situation.

Search Reference

How People Find William Mitchell Gantz Online

Prospective clients searching for legal help in Boston 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 William Mitchell Gantz.

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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 William Mitchell Gantz directly.

Education & Law School Background

J.D.
The Ohio State University, Michael E. Moritz College of Law
- 1990
A.B. English
University of Chicago
- 1987

Awards & Professional Honors

Peer Reviewed

Client Reviews & Ratings — William Mitchell Gantz

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