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The Law Office of John Ratnaswamy

United States 2025

General Information

Year founded: 2019
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Overview

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The Law Office of John Ratnaswamy, LLC, is dedicated to representing clients in a professional, effective, and efficient manner that draws on decades of experience.​ John Ratnaswamy has spent more than two decades counseling and representing electric and natural gas industry clients, including before utility commissions and on appeal.

John has been selected for inclusion in The Best Lawyers in America© from 2010-2024 and was named its 2014 Chicago “Lawyer of the Year” in the field of Energy Law. John also has been recognized in Chambers USA from 2007-2018, the Leading Lawyers Network from 2012-2022, and by Super Lawyers® from 2010-2023 as an Illinois lawyer in the field of energy and natural resources law.*​

John has served as counsel in the preparation and litigation of over 150 energy regulatory proceedings. He served as lead outside counsel in most of those cases, including many major cases. JHis experience includes, among other things: ratemaking; integrated resource planning and major procurements; tariffs, business processes, and compliance; investigations and audits, including reviews of prudence, costs, reliability, program and project management, accounting, and code of conduct and ethics matters; reorganization approval and affiliate transactions; sector restructuring and open access implementation, the “smart grid”, and microgrids; performance metrics; and, rulemakings and legislation.​

*The Illinois Supreme Court does not recognize certifications of specialties in the practice of law and no award or recognition is a requirement to practice law in Illinois.

Rankings

The Law Office of John Ratnaswamy is nationally ranked in 1 practice areas and metro ranked in 1 practice areas. Best Law Firms rankings are based on a rigorous evaluation process.

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National Rankings

Tier 2
Tier 2 for Energy Law

Metro Rankings

Chicago
Tier 1 for Energy Law

Rankings

National Rankings

Tier 2
Tier 2 for Energy Law

Regional Rankings

Chicago
Tier 1 for Energy Law

Practice Areas

The below are areas of legal specialty volunteered by the firm and do not designate a specialty in which a Best Law Firms ranking is held.
  • Energy Law

Individuals Recognized in The Best Lawyers in America®

The Law Office of John Ratnaswamy has 1 lawyers recognized for individual performance in the 2025 edition of The Best Lawyers in America®. By receiving this Best Lawyers recognition from their peers for their professional excellence, these lawyers made The Law Office of John Ratnaswamy eligible for evaluation for Best Law Firms rankings. For almost two decades, Best Lawyers has awarded these singular accolades, making them the foundation of our Best Law Firms awards. Read more about our Best Lawyers process here.
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Client Comments

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