Atty. William Theodore Sellay

Atty. William Theodore Sellay

Mr. William Theodore Sellay is a lawyer practicing mergers and acquisitions, trade and antitrust, intellectual property and 10 other areas of law.

Hartford Hartford 55 yrs experience 55 year
Call (959) 259-0989 Book Appointment

Profile Summary

About William Theodore Sellay at a glance

William Theodore Sellay is a Partner based in Hartford, Connecticut, practicing at Robinson & Cole LLP. They have 55+ years of legal experience, licensed to practice since 1971. Their practice focuses on business, ip, m&a, environmental, and international. Admitted to practice in Connecticut (1971), District of Columbia (2004), and New York Supreme Court of the United States (2005). Educated at University of Michigan Law School J.D. (—) and Michigan State University B.S. Electrical Engineering Michigan State University B.S. with honors (—). Recognitions include AV Preeminent. Active member of S, Department of Commerce District Export Council Connecticut Innovations, Inc, and Former Advisory Board Member Clean Energy Fund Former Advisory Board Member. Serands clients in Hartford, CT and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Mr. William Theodore Sellay is a lawyer practicing mergers and acquisitions, trade and antitrust, intellectual property and 10 other areas of law
  • William received a B.S. degree from Michigan State University, and has been licensed for 55 years
  • William practices at Robinson & Cole LLP in Hartford, CT and 1 other location

Practice Areas Explained

William Theodore Sellay's Areas of Practice

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

Business & Corporate Law

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

William Theodore Sellay is one of 501,317 business attorneys indexed nationally. Browse business attorneys in Connecticut →

Intellectual Property

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

William Theodore Sellay is one of 106,079 ip attorneys indexed nationally. Browse ip attorneys in Connecticut →

Mergers & Acquisitions

William Theodore Sellay is one of 49,731 m&a attorneys indexed nationally. Browse m&a attorneys in Connecticut →

Environmental Law

Environmental attorneys for regulatory compliance, contamination, land use, and natural resource law.

William Theodore Sellay is one of 56,434 environmental attorneys indexed nationally. Browse environmental attorneys in Connecticut →

International Law

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

William Theodore Sellay is one of 40,133 international attorneys indexed nationally. Browse international attorneys in Connecticut →

Jurisdictional Context

Why local counsel matters in Connecticut

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

Looking for additional Connecticut attorneys? Browse all attorneys in Hartford or all attorneys in Connecticut.

Frequently Asked

Common questions about William Theodore Sellay

Where is William Theodore Sellay's law office located?
William Theodore Sellay's law practice is located in Hartford, Connecticut. The firm is Robinson & Cole LLP. You can contact the office directly through this profile page.
What practice areas does William Theodore Sellay handle?
William Theodore Sellay focuses on business, ip, m&a, environmental, international. Each practice area listed reflects experience handling cases of that type in Connecticut.
How long has William Theodore Sellay practiced law?
William Theodore Sellay has 55+ years of legal experience and has been licensed since 1971.
Where did William Theodore Sellay go to law school?
William Theodore Sellay earned their education at (—); (—).
How can I contact William Theodore Sellay for a consultation?
You can contact William Theodore Sellay 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.
What awards or recognition has William Theodore Sellay received?
William Theodore Sellay's notable recognition includes: AV Preeminent.

Education

University of Michigan Law School J.D.
- In Progress
Michigan State University B.S. Electrical Engineering Michigan State University B.S. with honors
- In Progress

Awards

AV Preeminent

Bar Admissions

Connecticut
Admitted: 1971
District of Columbia
Admitted: 2004
New York Supreme Court of the United States
Admitted: 2005

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