Atty. Gregg W. Mackuse

Atty. Gregg W. Mackuse

Gregg W. Mackuse is a lawyer practicing commercial litigation, business disputes, false claims act/qui tam.

Philadelphia Philadelphia 38 yrs experience 38 year
Call (215) 610-3945 Book Appointment

Profile Summary

About Gregg W. Mackuse at a glance

Gregg W. Mackuse is a Partner based in Philadelphia, Pennsylvania, practicing at Faegre Drinker Biddle & Reath LLP. They have 38+ years of legal experience, licensed to practice since 1988. Their practice focuses on business, whistleblower, and litigation. Admitted to practice in Pennsylvania (1988) and New Jersey (1991). Educated at Villanova University School of Law (J.D., 1988) and University of Pennsylvania (—). Serands clients in Philadelphia, PA and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Gregg W. Mackuse is a lawyer practicing commercial litigation, business disputes, false claims act/qui tam
  • Gregg received a degree from University of Pennsylvania, and has been licensed for 38 years
  • Gregg practices at Faegre Drinker Biddle & Reath LLP in Philadelphia, PA

Practice Areas Explained

Gregg W. Mackuse's Areas of Practice

Each practice area below reflects the types of cases Gregg W. Mackuse 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.

Gregg W. Mackuse is one of 501,317 business attorneys indexed nationally. Browse business attorneys in Pennsylvania →

Whistleblower & Retaliation

Gregg W. Mackuse is one of 3,552 whistleblower attorneys indexed nationally. Browse whistleblower attorneys in Pennsylvania →

Civil Litigation

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

Gregg W. Mackuse is one of 454,532 litigation attorneys indexed nationally. Browse litigation attorneys in Pennsylvania →

Jurisdictional Context

Why local counsel matters in Pennsylvania

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

Looking for additional Pennsylvania attorneys? Browse all attorneys in Philadelphia or all attorneys in Pennsylvania.

Frequently Asked

Common questions about Gregg W. Mackuse

Where is Gregg W. Mackuse's law office located?
Gregg W. Mackuse's law practice is located in Philadelphia, Pennsylvania. The firm is Faegre Drinker Biddle & Reath LLP. You can contact the office directly through this profile page.
What practice areas does Gregg W. Mackuse handle?
Gregg W. Mackuse focuses on business, whistleblower, litigation. Each practice area listed reflects experience handling cases of that type in Pennsylvania.
How long has Gregg W. Mackuse practiced law?
Gregg W. Mackuse has 38+ years of legal experience and has been licensed since 1988.
Where did Gregg W. Mackuse go to law school?
Gregg W. Mackuse earned their education at (J.D., 1988); (—).
How can I contact Gregg W. Mackuse for a consultation?
You can contact Gregg W. Mackuse 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.
Villanova University School of Law
- 1988
University of Pennsylvania
- In Progress

Bar Admissions

Pennsylvania
Admitted: 1988
New Jersey
Admitted: 1991

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