Atty. William E. O'Brien

Atty. William E. O'Brien

William E. O'Brien is a lawyer practicing trademark licensing, international law.

Holden Holden 60 yrs experience 60 year
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International Law & More Attorney · Serving Holden, MA · 60+ Years Experience

Profile Summary

About William E. O'Brien at a Glance

William E. O'Brien is a trademark and international attorney based in Holden, Massachusetts. They have 60+ years of legal experience, licensed to practice since 1966. Admitted to practice in Massachusetts (1966). Educated at Boston College (LL.B., 1950) and College of the Holy Cross (B.A., 1947). Serves clients in Holden, MA and the surrounding metropolitan area.

Verified attorney profile · Updated October 2026

About William E. O'Brien

  • William E. O'Brien is a lawyer practicing trademark licensing, international law
  • William received a B.A. degree from College of the Holy Cross in 1947, and has been licensed for 60 years
  • William practices in Holden, MA

Practice Areas Explained

William E. O'Brien's Areas of Legal Practice

Each practice area below reflects the types of cases William E. O'Brien handles, with a practical overview of what that area of law involves and how it may apply to your situation in Holden.

Trademark Law in Holden

William E. O'Brien is one of 23,086 trademark attorneys indexed nationally. Browse trademark attorneys in Massachusetts →

International Law in Holden

International law attorneys for cross-border transactions, trade, foreign investment, and treaties.

William E. O'Brien is one of 39,787 international attorneys indexed nationally. Browse international attorneys in Massachusetts →

Jurisdictional Context

Why Local Counsel Matters in Holden

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 Holden 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.

Holden Courts and Legal Process

Choosing a Holden-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 Holden or all attorneys in Massachusetts.

Frequently Asked

Common Questions About William E. O'Brien

Where is William E. O'Brien's law office located?
William E. O'Brien's law practice is located in Holden, Massachusetts. You can contact the office directly through this profile page.
What practice areas does William E. O'Brien handle?
William E. O'Brien focuses on trademark, international. Each practice area listed reflects experience handling cases of that type in Massachusetts.
How long has William E. O'Brien practiced law?
William E. O'Brien has 60+ years of legal experience and has been licensed since 1966.
Where did William E. O'Brien go to law school?
William E. O'Brien earned their education at (LL.B., 1950); (B.A., 1947).
How can I contact William E. O'Brien for a consultation?
You can contact William E. O'Brien 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.

Professional Profile

Why Clients in Holden Choose William E. O'Brien

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 E. O'Brien's practice in the field of trademark and international.

Decade-Tested Legal Experience

William E. O'Brien brings 60+ years of hands-on legal practice — enough to have navigated the recurring fact patterns, procedural traps, and negotiation dynamics that shape case outcomes.

Broad Practice Area Coverage

Covering trademark and international, William E. O'Brien can address the full spectrum of a client's legal needs without requiring referrals to separate specialists for each issue.

Local Presence in Holden

A Holden-based practice means William E. O'Brien attends hearings in the same courthouses, knows the local clerks, and understands the unwritten scheduling norms that affect every case filed here.

Search Reference

How People Find William E. O'Brien Online

Prospective clients searching for legal help in Holden 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 E. O'Brien.

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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 E. O'Brien directly.

William E. O'Brien's Practice Areas & Specializations

Education & Law School Background

LL.B.
Boston College
- 1950
B.A.
College of the Holy Cross
- 1947

Bar Admissions & Licensed Jurisdictions

Massachusetts
Admitted: 1966

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