Atty. David Craig Callaghan

Atty. David Craig Callaghan

David Craig Callaghan is a lawyer practicing civil litigation, complex litigation, products liability defense and 3 other areas of law. David received a B.A. degree from University of Houston, and has been licensed for 43 years.

Philadelphia Philadelphia 43 yrs experience 43 year
Call (844) 588-2324 Book Appointment

Profile Summary

About David Craig Callaghan at a glance

David Craig Callaghan is an Attorney based in Philadelphia, Pennsylvania, practicing at Griesing Law LLC. They have 43+ years of legal experience, licensed to practice since 1983. Their practice focuses on business, ip, product liability, litigation, and adr. Admitted to practice in Texas (1983) and Pennsylvania U.S. District Court, Eastern District of Pennsylvania (1985). Educated at Thurgood Marshall School of Law J.D. (—) and University of Houston B.A. summa cum laude (—). Recognitions include BV Distinguished. Serands clients in Philadelphia, PA and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • David Craig Callaghan is a lawyer practicing civil litigation, complex litigation, products liability defense and 3 other areas of law
  • David received a B.A. degree from University of Houston, and has been licensed for 43 years
  • David practices at Griesing Law LLC in Philadelphia, PA

Practice Areas Explained

David Craig Callaghan's Areas of Practice

Each practice area below reflects the types of cases David Craig Callaghan 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.

David Craig Callaghan is one of 501,317 business attorneys indexed nationally. Browse business attorneys in Pennsylvania →

Intellectual Property

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

David Craig Callaghan is one of 106,079 ip attorneys indexed nationally. Browse ip attorneys in Pennsylvania →

Product Liability

David Craig Callaghan is one of 66,193 product liability attorneys indexed nationally. Browse product liability attorneys in Pennsylvania →

Civil Litigation

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

David Craig Callaghan is one of 454,532 litigation attorneys indexed nationally. Browse litigation attorneys in Pennsylvania →

Mediation & Arbitration

Mediators and arbitrators for civil, commercial, family, and employment dispute resolution.

David Craig Callaghan is one of 73,906 adr attorneys indexed nationally. Browse adr 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 David Craig Callaghan

Where is David Craig Callaghan's law office located?
David Craig Callaghan's law practice is located in Philadelphia, Pennsylvania. The firm is Griesing Law LLC. You can contact the office directly through this profile page.
What practice areas does David Craig Callaghan handle?
David Craig Callaghan focuses on business, ip, product liability, litigation, adr. Each practice area listed reflects experience handling cases of that type in Pennsylvania.
How long has David Craig Callaghan practiced law?
David Craig Callaghan has 43+ years of legal experience and has been licensed since 1983.
Where did David Craig Callaghan go to law school?
David Craig Callaghan earned their education at (—); (—).
How can I contact David Craig Callaghan for a consultation?
You can contact David Craig Callaghan 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 David Craig Callaghan received?
David Craig Callaghan's notable recognition includes: BV Distinguished.

Education

Thurgood Marshall School of Law J.D.
- In Progress
University of Houston B.A. summa cum laude
- In Progress

Awards

BV Distinguished

Bar Admissions

Texas
Admitted: 1983
Pennsylvania U.S. District Court, Eastern District of Pennsylvania
Admitted: 1985

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