John P. Ratnaswamy

John P. Ratnaswamy


The Law Office of John Ratnaswamy

Recognized since 2010

Chicago, Illinois

Practice Areas

Energy Law

Lawyer of the Year Badge - 2014 - Energy Law
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John Ratnaswamy founded his own law firm after having served as a co-founder and Partner at a nationally recognized energy boutique law firm. John 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 2012-2020, and by Super Lawyers® from 2010-2023 as an Illinois lawyer in the field of energy and natural resources law.*

John also has over 20 years of experience in counseling, teaching, and writing on lawyer professional responsibility and ethics matters. He also is a former member of the Hearing Board of the Illinois Attorney Registration and Disciplinary Commission.

In addition, John served as the American Bar Association Advisor to the Uniform Law Commission’s Drafting Committee on a Tort Law Relating to Drones. John also served as the Vice Chair, and the Editor in Chief of the Newsletter, of the Space Law Committee of the ABA Section of Science and Technology Law.

John is licensed to practice in Illinois, Minnesota, Wisconsin, and Colorado, and numerous federal courts.

*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.

Contact & Links
Location
  • 10 S. Riverside Plaza, Suite 875
    Chicago, IL 60606
Education
  • Northwestern University, J.D., cum laude, graduated 1985
  • Northwestern University, B.S., Communication Studies, graduated 1982
  • Northwestern University, M.A., Communication Studies, graduated 1982
Bar Admissions
  • Illinois, 1985
  • Minnesota, 2006
  • Wisconsin, 2015
  • Colorado, 2016
Court Admissions
  • United States Supreme Court
  • U.S. Courts of Appeals, 4th, 5th, and 7th Circuits
  • U.S. District Courts, ND + CD Illinois, ND Texas
Federal Clerkships
  • United States Court of Appeals
  • United States District Court

Lawyer of the Year Badge - 2014 - Energy Law
Named "Lawyer of the Year" by Best Lawyers® for:
  • Energy Law, Chicago (2014)
Recognized in The Best Lawyers in America® 2025 for work in:
  • Energy Law
Special Focus:
  • Litigation
Additional Areas of Practice:
  • Administrative / Regulatory Law
  • Communications Law
  • Energy Regulatory Law
  • Environmental Law
  • Ethics and Professional Responsibility Law
  • Utilities Law

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Publications

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