Atty. John K Hughes

Atty. John K Hughes

John K Hughes is a lawyer practicing environmental and natural resources, corporate governance and compliance, m&a and private equity and 3 other areas of law. John received a B.A. degree from Boston College in 1975, and has been licensed for 42 years.

Washington Washington 42 yrs experience 42 year
Call (443) 909-4791 Book Appointment

Profile Summary

About John K Hughes at a glance

John K Hughes is a Partner based in Washington, District of Columbia, practicing at Sidley Austin Llp. They have 42+ years of legal experience, licensed to practice since 1984. Their practice focuses on business, m&a, securities, and environmental. Admitted to practice in District of Columbia (1984). Educated at Syracuse University College of Law (J.D., 1984) and Boston College (B.A., 1975). Serands clients in Washington, DC and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • John K Hughes is a lawyer practicing environmental and natural resources, corporate governance and compliance, m&a and private equity and 3 other areas of law
  • John received a B.A. degree from Boston College in 1975, and has been licensed for 42 years
  • John practices at Sidley Austin LLP in Washington, DC

Practice Areas Explained

John K Hughes's Areas of Practice

Each practice area below reflects the types of cases John K Hughes 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.

John K Hughes is one of 501,317 business attorneys indexed nationally. Browse business attorneys in District of Columbia →

Mergers & Acquisitions

John K Hughes is one of 49,731 m&a attorneys indexed nationally. Browse m&a attorneys in District of Columbia →

Securities Law

John K Hughes is one of 64,529 securities attorneys indexed nationally. Browse securities attorneys in District of Columbia →

Environmental Law

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

John K Hughes is one of 56,434 environmental attorneys indexed nationally. Browse environmental 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 John K Hughes

Where is John K Hughes's law office located?
John K Hughes's law practice is located in Washington, District of Columbia. The firm is Sidley Austin Llp. You can contact the office directly through this profile page.
What practice areas does John K Hughes handle?
John K Hughes focuses on business, m&a, securities, environmental. Each practice area listed reflects experience handling cases of that type in District of Columbia.
How long has John K Hughes practiced law?
John K Hughes has 42+ years of legal experience and has been licensed since 1984.
Where did John K Hughes go to law school?
John K Hughes earned their education at (J.D., 1984); (B.A., 1975).
How can I contact John K Hughes for a consultation?
You can contact John K Hughes 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.
Syracuse University College of Law
- 1984
B.A.
Boston College
- 1975

Bar Admissions

District of Columbia
Admitted: 1984

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