Atty. David Giles O'Brien

Atty. David Giles O'Brien

David Giles O'Brien is a lawyer practicing biotechnology patent prosecution, molecular biology patents, patent prosecution and 1 other area of law. David received a B.A. degree from University of Rhode Island in 1984, and has been licensed for 29 years.

Cambridge Cambridge 29 yrs experience 29 year
Call (857) 416-1762 Book Appointment

Profile Summary

About David Giles O'Brien at a glance

David Giles O'Brien is a Member based in Cambridge, Massachusetts, practicing at Yankwich & Associates. They have 29+ years of legal experience, licensed to practice since 1997. Their practice focuses on patent. Admitted to practice in Massachusetts (1997). Educated at Franklin Pierce Law Center (J.D., 1997) and University of Rhode Island (B.A. University, 1984). Serands clients in Cambridge, MA and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • David Giles O'Brien is a lawyer practicing biotechnology patent prosecution, molecular biology patents, patent prosecution and 1 other area of law
  • David received a B.A. degree from University of Rhode Island in 1984, and has been licensed for 29 years
  • David practices at Yankwich & Associates in Cambridge, MA

Practice Areas Explained

David Giles O'Brien's Areas of Practice

Each practice area below reflects the types of cases David Giles O'Brien handles, with a brief overview of what that area of law covers.

Patent Law

David Giles O'Brien is one of 20,749 patent attorneys indexed nationally. Browse patent attorneys in Massachusetts →

Jurisdictional Context

Why local counsel matters in Massachusetts

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 Cambridge 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 andnue, 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.

Looking for additional Massachusetts attorneys? Browse all attorneys in Cambridge or all attorneys in Massachusetts.

Frequently Asked

Common questions about David Giles O'Brien

Where is David Giles O'Brien's law office located?
David Giles O'Brien's law practice is located in Cambridge, Massachusetts. The firm is Yankwich & Associates. You can contact the office directly through this profile page.
What practice areas does David Giles O'Brien handle?
David Giles O'Brien focuses on patent. Each practice area listed reflects experience handling cases of that type in Massachusetts.
How long has David Giles O'Brien practiced law?
David Giles O'Brien has 29+ years of legal experience and has been licensed since 1997.
Where did David Giles O'Brien go to law school?
David Giles O'Brien earned their education at (J.D., 1997); (B.A. University, 1984).
How can I contact David Giles O'Brien for a consultation?
You can contact David Giles 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.

Education

J.D.
Franklin Pierce Law Center
- 1997
B.A. University
University of Rhode Island
- 1984

Bar Admissions

Massachusetts
Admitted: 1997

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