Atty. Dianne Callan

Atty. Dianne Callan

Dianne Callan is a lawyer practicing business development, intellectual property, corporate. Dianne received a A.B. degree from University of Michigan at Ann Arbor in 1967, and has been licensed for 52 years.

Dennis Dennis 52 yrs experience 52 year
Call (508) 305-7449 Book Appointment

Profile Summary

About Dianne Callan at a glance

Dianne Callan is a NMS Comm. Corp. based in Dennis, Massachusetts. They have 52+ years of legal experience, licensed to practice since 1974. Their practice focuses on business and ip. Admitted to practice in Massachusetts (1974) and U.S. Claims Court (1977). Educated at Boston University Law School (J.D., 1974) and University of Michigan at Ann Arbor (A.B., 1967). Serands clients in Dennis, MA and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Dianne Callan is a lawyer practicing business development, intellectual property, corporate
  • Dianne received a A.B. degree from University of Michigan at Ann Arbor in 1967, and has been licensed for 52 years
  • Dianne practices in Dennis, MA

Practice Areas Explained

Dianne Callan's Areas of Practice

Each practice area below reflects the types of cases Dianne Callan 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.

Dianne Callan is one of 501,317 business attorneys indexed nationally. Browse business attorneys in Massachusetts →

Intellectual Property

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

Dianne Callan is one of 106,079 ip attorneys indexed nationally. Browse ip attorneys in Massachusetts →

Jurisdictional Context

Why local counsel matters in Massachusetts

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

Looking for additional Massachusetts attorneys? Browse all attorneys in Dennis or all attorneys in Massachusetts.

Frequently Asked

Common questions about Dianne Callan

Where is Dianne Callan's law office located?
Dianne Callan's law practice is located in Dennis, Massachusetts. You can contact the office directly through this profile page.
What practice areas does Dianne Callan handle?
Dianne Callan focuses on business, ip. Each practice area listed reflects experience handling cases of that type in Massachusetts.
How long has Dianne Callan practiced law?
Dianne Callan has 52+ years of legal experience and has been licensed since 1974.
Where did Dianne Callan go to law school?
Dianne Callan earned their education at (J.D., 1974); (A.B., 1967).
How can I contact Dianne Callan for a consultation?
You can contact Dianne Callan 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.
Boston University Law School
- 1974
A.B.
University of Michigan at Ann Arbor
- 1967

Bar Admissions

Massachusetts
Admitted: 1974
U.S. Claims Court
Admitted: 1977

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