Atty. William Blake Coblentz

Atty. William Blake Coblentz

William Blake Coblentz is a lawyer practicing patent application, litigation, intellectual property. William received a B.S. degree from Birmingham-Southern College in 1998, and has been licensed for 21 years.

Washington Washington 21 yrs experience 21 year
Call (650) 517-0420 Book Appointment

Profile Summary

About William Blake Coblentz at a glance

William Blake Coblentz is a Member based in Washington, District of Columbia, practicing at Cozen Oconnor. They have 21+ years of legal experience, licensed to practice since 2005. Their practice focuses on patent, ip, and litigation. Admitted to practice in Virginia (2005) and District of Columbia U.S. District Court for the District of Columbia U.S. Court of Appeals for the (2007). Educated at DePaul University College of Law (J.D., 2005) and Birmingham-Southern College (B.S. Biology, 1998). Serands clients in Washington, DC and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • William Blake Coblentz is a lawyer practicing patent application, litigation, intellectual property
  • William received a B.S. degree from Birmingham-Southern College in 1998, and has been licensed for 21 years
  • William practices at Cozen O'Connor in Washington, DC

Practice Areas Explained

William Blake Coblentz's Areas of Practice

Each practice area below reflects the types of cases William Blake Coblentz handles, with a brief overview of what that area of law covers.

Patent Law

William Blake Coblentz is one of 20,749 patent attorneys indexed nationally. Browse patent attorneys in District of Columbia →

Intellectual Property

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

William Blake Coblentz is one of 106,079 ip attorneys indexed nationally. Browse ip attorneys in District of Columbia →

Civil Litigation

Civil litigation attorneys for breach of contract, business disputes, civil rights, and class action lawsuits.

William Blake Coblentz is one of 454,532 litigation attorneys indexed nationally. Browse litigation attorneys in District of Columbia →

Jurisdictional Context

Why local counsel matters in District of Columbia

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

Looking for additional District of Columbia attorneys? Browse all attorneys in Washington or all attorneys in District of Columbia.

Frequently Asked

Common questions about William Blake Coblentz

Where is William Blake Coblentz's law office located?
William Blake Coblentz's law practice is located in Washington, District of Columbia. The firm is Cozen Oconnor. You can contact the office directly through this profile page.
What practice areas does William Blake Coblentz handle?
William Blake Coblentz focuses on patent, ip, litigation. Each practice area listed reflects experience handling cases of that type in District of Columbia.
How long has William Blake Coblentz practiced law?
William Blake Coblentz has 21+ years of legal experience and has been licensed since 2005.
Where did William Blake Coblentz go to law school?
William Blake Coblentz earned their education at (J.D., 2005); (B.S. Biology, 1998).
How can I contact William Blake Coblentz for a consultation?
You can contact William Blake Coblentz 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.
DePaul University College of Law
- 2005
B.S. Biology
Birmingham-Southern College
- 1998

Bar Admissions

Virginia
Admitted: 2005
District of Columbia U.S. District Court for the District of Columbia U.S. Court of Appeals for the
Admitted: 2007

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