Atty. Patrick David Duplessis

Atty. Patrick David Duplessis

Patrick David Duplessis is a lawyer practicing intellectual property, intellectual property litigation, trademarks and 4 other areas of law. Patrick received a B.S. degree from Boston University in 2006, and has been licensed for 17 years.

Springfield Springfield 17 Years Experience 17 year
Call (413) 923-6820

Profile Summary

About Patrick David Duplessis at a glance

Patrick David Duplessis is an Associate based in Springfield, Massachusetts, practicing at O'Shea Getz P.C.. They have 17+ years of legal experience, licensed to practice since 2009. Their practice focuses on patent, trademark, business, and ip. Admitted to practice in California (2009) and Massachusetts U.S. District Court, Southern District of California U.S. District Court, District of (2010). Educated at University of San Diego School of Law (J.D., 2009) and Boston University (B.S. Biomedical, 2006). Serves clients in Springfield, MA and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Patrick David Duplessis is a lawyer practicing intellectual property, intellectual property litigation, trademarks and 4 other areas of law
  • Patrick received a B.S. degree from Boston University in 2006, and has been licensed for 17 years
  • Patrick practices at O'Shea Getz P.C. in Springfield, MA

Practice Areas Explained

Patrick David Duplessis's Areas of Practice

Each practice area below reflects the types of cases Patrick David Duplessis handles, with a brief overview of what that area of law covers.

Patent Law

Patrick David Duplessis is one of 18,874 patent attorneys indexed nationally. Browse patent attorneys in Massachusetts →

Trademark Law

Patrick David Duplessis is one of 20,983 trademark attorneys indexed nationally. Browse trademark attorneys in Massachusetts →

Business & Corporate Law

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

Patrick David Duplessis is one of 452,854 business attorneys indexed nationally. Browse business attorneys in Massachusetts →

Intellectual Property

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

Patrick David Duplessis is one of 94,505 ip attorneys indexed nationally. Browse ip 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 Springfield 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.

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

Frequently Asked

Common questions about Patrick David Duplessis

Where is Patrick David Duplessis's law office located?
Patrick David Duplessis's law practice is located in Springfield, Massachusetts. The firm is O'Shea Getz P.C.. You can contact the office directly through this profile page.
What practice areas does Patrick David Duplessis handle?
Patrick David Duplessis focuses on patent, trademark, business, ip. Each practice area listed reflects experience handling cases of that type in Massachusetts.
How long has Patrick David Duplessis practiced law?
Patrick David Duplessis has 17+ years of legal experience and has been licensed since 2009.
Where did Patrick David Duplessis go to law school?
Patrick David Duplessis earned their education at (J.D., 2009); (B.S. Biomedical, 2006).
How can I contact Patrick David Duplessis for a consultation?
You can contact Patrick David Duplessis 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.
University of San Diego School of Law
- 2009
B.S. Biomedical
Boston University
- 2006

Bar Admissions

California
Admitted: 2009
Massachusetts U.S. District Court, Southern District of California U.S. District Court, District of
Admitted: 2010

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