Atty. John D. Demmy

Atty. John D. Demmy

John D. Demmy is a lawyer practicing aviation and aerospace, commercial real estate, appellate practice.

Wilmington Wilmington 40 yrs experience 40 year
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Profile Summary

About John D. Demmy at a glance

John D. Demmy is a real estate, commercial re, appellate, and aviation attorney based in Wilmington, Delaware. They have 40+ years of legal experience, licensed to practice since 1986. Admitted to practice in Pennsylvania (1986), Delaware (1990), and New York (2015). Educated at Villanova University School of Law JD (—). Serands clients in Wilmington, DE and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • John D. Demmy is a lawyer practicing aviation and aerospace, commercial real estate, appellate practice
  • John has been licensed for 40 years
  • John practices in Wilmington, DE

Practice Areas Explained

John D. Demmy's Areas of Practice

Each practice area below reflects the types of cases John D. Demmy handles, with a brief overview of what that area of law covers.

Real Estate Law

Real estate attorneys handle home purchases, sales, commercial transactions, title disputes, and landlord-tenant matters.

John D. Demmy is one of 316,149 real estate attorneys indexed nationally. Browse real estate attorneys in Delaware →

Commercial Real Estate

John D. Demmy is one of 16,000 commercial re attorneys indexed nationally. Browse commercial re attorneys in Delaware →

Appellate Practice

Appellate attorneys for civil and criminal appeals at state and federal court.

John D. Demmy is one of 86,319 appellate attorneys indexed nationally. Browse appellate attorneys in Delaware →

Aviation Law

Aviation attorneys for aircraft accidents, FAA regulation, pilot defense, and aviation industry matters.

John D. Demmy is one of 9,225 aviation attorneys indexed nationally. Browse aviation attorneys in Delaware →

Jurisdictional Context

Why local counsel matters in Delaware

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

Looking for additional Delaware attorneys? Browse all attorneys in Wilmington or all attorneys in Delaware.

Frequently Asked

Common questions about John D. Demmy

Where is John D. Demmy's law office located?
John D. Demmy's law practice is located in Wilmington, Delaware. You can contact the office directly through this profile page.
What practice areas does John D. Demmy handle?
John D. Demmy focuses on real estate, commercial re, appellate, aviation. Each practice area listed reflects experience handling cases of that type in Delaware.
How long has John D. Demmy practiced law?
John D. Demmy has 40+ years of legal experience and has been licensed since 1986.
Where did John D. Demmy go to law school?
John D. Demmy earned their education at (—).
How can I contact John D. Demmy for a consultation?
You can contact John D. Demmy 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

Villanova University School of Law JD
- In Progress

Bar Admissions

Pennsylvania
Admitted: 1986
Delaware
Admitted: 1990
New York
Admitted: 2015

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