Atty. Dennis Stephen Mackin

Atty. Dennis Stephen Mackin

Mr. Dennis Stephen Mackin is a lawyer practicing civil practice, products liability, taxation and 4 other areas of law.

Dunwoody Dunwoody 57 yrs experience 57 year
Call (470) 994-5208 Book Appointment

Profile Summary

About Dennis Stephen Mackin at a glance

Dennis Stephen Mackin is a Member based in Dunwoody, Georgia, practicing at Dennis S. Mackin, Sr.. They have 57+ years of legal experience, licensed to practice since 1969. Their practice focuses on estate planning, business, tax, product liability, and litigation. Admitted to practice in Ohio (1969), Georgia (1970), and U.S. Supreme Court (1979). Educated at University of Notre Dame (J.D., 1969) and University of Notre Dame (B.B.A., 1966). Recognitions include AV Preeminent. Active member of State Bar of Georgia Georgia Society of Certified Public Accountants The Association of Trial Lawyers of America. Serands clients in Dunwoody, GA and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Mr. Dennis Stephen Mackin is a lawyer practicing civil practice, products liability, taxation and 4 other areas of law
  • Dennis received a B.B.A. degree from University of Notre Dame in 1966, and has been licensed for 57 years
  • Dennis practices at Dennis S. Mackin, Sr. in Dunwoody, GA

Practice Areas Explained

Dennis Stephen Mackin's Areas of Practice

Each practice area below reflects the types of cases Dennis Stephen Mackin handles, with a brief overview of what that area of law covers.

Estate Planning & Probate

An estate planning attorney prepares wills, trusts, powers of attorney, and healthcare directives to protect your family and pass on your assets.

Dennis Stephen Mackin is one of 226,536 estate planning attorneys indexed nationally. Browse estate planning attorneys in Georgia →

Business & Corporate Law

Business attorneys advise founders and growing companies on entity formation, contracts, financing, M&A, and dispute resolution.

Dennis Stephen Mackin is one of 501,317 business attorneys indexed nationally. Browse business attorneys in Georgia →

Tax Law

Tax attorneys handle IRS audits, tax debt, international tax, estate planning, and tax court litigation.

Dennis Stephen Mackin is one of 85,302 tax attorneys indexed nationally. Browse tax attorneys in Georgia →

Product Liability

Dennis Stephen Mackin is one of 66,193 product liability attorneys indexed nationally. Browse product liability attorneys in Georgia →

Civil Litigation

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

Dennis Stephen Mackin is one of 454,532 litigation attorneys indexed nationally. Browse litigation attorneys in Georgia →

Jurisdictional Context

Why local counsel matters in Georgia

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

Looking for additional Georgia attorneys? Browse all attorneys in Dunwoody or all attorneys in Georgia.

Frequently Asked

Common questions about Dennis Stephen Mackin

Where is Dennis Stephen Mackin's law office located?
Dennis Stephen Mackin's law practice is located in Dunwoody, Georgia. The firm is Dennis S. Mackin, Sr.. You can contact the office directly through this profile page.
What practice areas does Dennis Stephen Mackin handle?
Dennis Stephen Mackin focuses on estate planning, business, tax, product liability, litigation. Each practice area listed reflects experience handling cases of that type in Georgia.
How long has Dennis Stephen Mackin practiced law?
Dennis Stephen Mackin has 57+ years of legal experience and has been licensed since 1969.
Where did Dennis Stephen Mackin go to law school?
Dennis Stephen Mackin earned their education at (J.D., 1969); (B.B.A., 1966).
How can I contact Dennis Stephen Mackin for a consultation?
You can contact Dennis Stephen Mackin 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 Dennis Stephen Mackin received?
Dennis Stephen Mackin's notable recognition includes: AV Preeminent.

Education

J.D.
University of Notre Dame
- 1969
B.B.A.
University of Notre Dame
- 1966

Awards

AV Preeminent

Bar Admissions

Ohio
Admitted: 1969
Georgia
Admitted: 1970
U.S. Supreme Court
Admitted: 1979

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