Atty. Ellen M. Leonnig

Atty. Ellen M. Leonnig

Ellen M. Leonnig is a lawyer practicing patent application, life sciences & biotechnology, litigation.

Sykesville Sykesville 26 yrs experience 26 year
Call (443) 487-0658 Book Appointment

Profile Summary

About Ellen M. Leonnig at a glance

Ellen M. Leonnig is a patent and litigation attorney based in Sykesville, Maryland. They have 26+ years of legal experience, licensed to practice since 2000. Admitted to practice in Maryland (2000). Educated at University of Baltimore School of Law (Juris Doctor, 2000). Serands clients in Sykesville, MD and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Ellen M. Leonnig is a lawyer practicing patent application, life sciences & biotechnology, litigation
  • Ellen has been licensed for 26 years
  • Ellen practices in Sykesville, MD

Practice Areas Explained

Ellen M. Leonnig's Areas of Practice

Each practice area below reflects the types of cases Ellen M. Leonnig handles, with a brief overview of what that area of law covers.

Patent Law

Ellen M. Leonnig is one of 20,749 patent attorneys indexed nationally. Browse patent attorneys in Maryland →

Civil Litigation

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

Ellen M. Leonnig is one of 454,532 litigation attorneys indexed nationally. Browse litigation attorneys in Maryland →

Jurisdictional Context

Why local counsel matters in Maryland

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

Looking for additional Maryland attorneys? Browse all attorneys in Sykesville or all attorneys in Maryland.

Frequently Asked

Common questions about Ellen M. Leonnig

Where is Ellen M. Leonnig's law office located?
Ellen M. Leonnig's law practice is located in Sykesville, Maryland. You can contact the office directly through this profile page.
What practice areas does Ellen M. Leonnig handle?
Ellen M. Leonnig focuses on patent, litigation. Each practice area listed reflects experience handling cases of that type in Maryland.
How long has Ellen M. Leonnig practiced law?
Ellen M. Leonnig has 26+ years of legal experience and has been licensed since 2000.
Where did Ellen M. Leonnig go to law school?
Ellen M. Leonnig earned their education at (Juris Doctor, 2000).
How can I contact Ellen M. Leonnig for a consultation?
You can contact Ellen M. Leonnig 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

Juris Doctor
University of Baltimore School of Law
- 2000

Bar Admissions

Maryland
Admitted: 2000

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