The mission of this firm is to act with integrity and to deliver value.

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.

The Law Office of John Ratnaswamy is a Minority Business Enterprise nationally certified by the Chicago Minority Supplier Development Council


John Ratnaswamy recently founded his own law firm after having served as a co-founder and Partner at the widely recognized energy boutique law firm Rooney Rippie & Ratnaswamy LLP. 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 2010-2020 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 2012-2019, and as an Illinois “Super Lawyer” from 2010-2019 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 is the American Bar Association Advisor to the Uniform Law Commission’s Drafting Committee on a Tort Law Relating to Drones. John also is 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.



© 2019 by The Law Office of John Ratnaswamy, LLC

225 W. Washington St., Suite 2200, Chicago, Illinois 60606

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