Atty. David C. Mongeau

Atty. David C. Mongeau

David C. Mongeau is a lawyer practicing corporate commercial law, industrial & intellectual property, tax law and 1 other area of law.

44 yrs experience 44 year
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Profile Summary

About David C. Mongeau at a glance

David C. Mongeau is a business, ip, tax, and litigation attorney. They have 44+ years of legal experience, licensed to practice since 1982. Admitted to practice in Ontario (1982). Educated at University of Western Ontario (LL.B., 1980).

Verified attorney profile · Updated June 2026

About

  • David C. Mongeau is a lawyer practicing corporate commercial law, industrial & intellectual property, tax law and 1 other area of law
  • David C. has been licensed for 44 years
  • David C. practices in Toronto, ON

Practice Areas Explained

David C. Mongeau's Areas of Practice

Each practice area below reflects the types of cases David C. Mongeau 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 C. Mongeau is one of 501,317 business attorneys indexed nationally. Browse business attorneys →

Intellectual Property

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

David C. Mongeau is one of 106,079 ip attorneys indexed nationally. Browse ip attorneys →

Tax Law

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

David C. Mongeau is one of 85,302 tax attorneys indexed nationally. Browse tax attorneys →

Civil Litigation

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

David C. Mongeau is one of 454,532 litigation attorneys indexed nationally. Browse litigation attorneys →

Frequently Asked

Common questions about David C. Mongeau

What practice areas does David C. Mongeau handle?
David C. Mongeau focuses on business, ip, tax, litigation. Each practice area listed reflects experience handling cases of that type in their licensed jurisdictions.
How long has David C. Mongeau practiced law?
David C. Mongeau has 44+ years of legal experience and has been licensed since 1982.
Where did David C. Mongeau go to law school?
David C. Mongeau earned their education at (LL.B., 1980).
How can I contact David C. Mongeau for a consultation?
You can contact David C. Mongeau 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

LL.B.
University of Western Ontario
- 1980

Bar Admissions

Ontario
Admitted: 1982

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