Atty. Heather E. Lilles

Atty. Heather E. Lilles

Heather E. Lilles is a lawyer practicing energy, environmental law, international law.

23 yrs experience 23 year
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Energy & More Attorney · 23+ Years Experience

Profile Summary

About Heather E. Lilles at a Glance

Heather E. Lilles is a environmental, energy, and international attorney. They have 23+ years of legal experience, licensed to practice since 2003. Admitted to practice in Alberta (2003). Educated at University of Calgary (B.A. L.L.B., 1998).

Verified attorney profile · Updated October 2026

About Heather E. Lilles

  • Heather E. Lilles is a lawyer practicing energy, environmental law, international law
  • Heather E. received a B.A. degree from University of Calgary in 1998, and has been licensed for 23 years
  • Heather E. practices in Calgary, AB

Practice Areas Explained

Heather E. Lilles's Areas of Legal Practice

Each practice area below reflects the types of cases Heather E. Lilles handles, with a practical overview of what that area of law involves and how it may apply to your situation.

Environmental Law

Environmental attorneys for regulatory compliance, contamination, land use, and natural resource law.

Heather E. Lilles is one of 55,977 environmental attorneys indexed nationally. Browse environmental attorneys →

Energy & Utilities Law

Energy attorneys for oil & gas, renewables, utility regulation, and energy sector transactions.

Heather E. Lilles is one of 35,985 energy attorneys indexed nationally. Browse energy attorneys →

International Law

International law attorneys for cross-border transactions, trade, foreign investment, and treaties.

Heather E. Lilles is one of 39,787 international attorneys indexed nationally. Browse international attorneys →

Frequently Asked

Common Questions About Heather E. Lilles

What practice areas does Heather E. Lilles handle?
Heather E. Lilles focuses on environmental, energy, international. Each practice area listed reflects experience handling cases of that type in their licensed jurisdictions.
How long has Heather E. Lilles practiced law?
Heather E. Lilles has 23+ years of legal experience and has been licensed since 2003.
Where did Heather E. Lilles go to law school?
Heather E. Lilles earned their education at (B.A. L.L.B., 1998).
How can I contact Heather E. Lilles for a consultation?
You can contact Heather E. Lilles 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.

Professional Profile

Why Clients in Your Area Choose Heather E. Lilles

Selecting an attorney is one of the most consequential decisions you can make when a legal matter arises. Below are the core qualities that distinguish Heather E. Lilles's practice in the field of environmental, energy, and international.

Decade-Tested Legal Experience

Heather E. Lilles brings 23+ years of hands-on legal practice — enough to have navigated the recurring fact patterns, procedural traps, and negotiation dynamics that shape case outcomes.

Broad Practice Area Coverage

Covering environmental, energy, and international, Heather E. Lilles can address the full spectrum of a client's legal needs without requiring referrals to separate specialists for each issue.

Search Reference

How People Find Heather E. Lilles Online

Prospective clients searching for legal help in this area commonly use a combination of the attorney's name and their specific legal need. The following search terms frequently lead people to this profile and to attorneys like Heather E. Lilles.

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If any of the above matches what you searched for, you've found the right profile. Use the contact options at the top of this page to get in touch with Heather E. Lilles directly.

Heather E. Lilles's Practice Areas & Specializations

Education & Law School Background

B.A. L.L.B.
University of Calgary
- 1998

Bar Admissions & Licensed Jurisdictions

Alberta
Admitted: 2003

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