Atty. William E. O'Brien

Atty. William E. O'Brien

William E. O'Brien is a lawyer practicing international, international licensing, intellectual property and 1 other area of law.

Westborough Westborough 38 yrs experience 38 year
Call (781) 782-3026 Book Appointment

Intellectual Property & More Attorney · Serving Westborough, MA · 38+ Years Experience

Profile Summary

About William E. O'Brien at a Glance

William E. O'Brien is a Counsel based in Westborough, Massachusetts, practicing at Bainwood Huang & Associates, LLC. They have 38+ years of legal experience, licensed to practice since 1988. Their practice focuses on business, ip, and international. Admitted to practice in Massachusetts (1988), District of Columbia (1990), New York (1998), and Bremen, Germany (1998). Educated at State University of New York at Buffalo (J.D. University, 1988) and George Washington University (B.A., 1979). Serves clients in Westborough, MA and the surrounding metropolitan area.

Verified attorney profile · Updated November 2026

About William E. O'Brien

  • William E. O'Brien is a lawyer practicing international, international licensing, intellectual property and 1 other area of law
  • William E. received a B.A. degree from George Washington University in 1979, and has been licensed for 38 years
  • William E. practices at Bainwood Huang & Associates, LLC in Westborough, 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 Westborough.

Business & Corporate Law in Westborough

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

William E. O'Brien is one of 497,491 business attorneys indexed nationally. Browse business attorneys in Massachusetts →

Intellectual Property in Westborough

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

William E. O'Brien is one of 105,285 ip attorneys indexed nationally. Browse ip attorneys in Massachusetts →

International Law in Westborough

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 Westborough

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 Westborough 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.

Westborough Courts and Legal Process

Choosing a Westborough-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 Westborough 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 Westborough, Massachusetts. The firm is Bainwood Huang & Associates, LLC. 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 business, ip, 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 38+ years of legal experience and has been licensed since 1988.
Where did William E. O'Brien go to law school?
William E. O'Brien earned their education at (J.D. University, 1988); (B.A., 1979).
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 Westborough 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 business, ip, and international.

Decade-Tested Legal Experience

William E. O'Brien brings 38+ years of hands-on legal practice — enough to have navigated the recurring fact patterns, procedural traps, and negotiation dynamics that shape case outcomes.

Multi-State Bar Admission

Licensed in Massachusetts, District of Columbia, and New York, William E. O'Brien can represent clients in cases that span state lines or require counsel in multiple jurisdictions.

Broad Practice Area Coverage

Covering business, ip, 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 Westborough

A Westborough-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.

Case Types

Common Legal Issues William E. O'Brien Handles in Westborough

Below is a representative sample of the types of matters William E. O'Brien 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 E. O'Brien directly to discuss the specifics of your situation.

Search Reference

How People Find William E. O'Brien Online

Prospective clients searching for legal help in Westborough 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

J.D. University
State University of New York at Buffalo
- 1988
B.A.
George Washington University
- 1979

Bar Admissions & Licensed Jurisdictions

Massachusetts
Admitted: 1988
District of Columbia
Admitted: 1990
New York
Admitted: 1998
Bremen, Germany
Admitted: 1998

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