Irene SavanisFiorentinos

Of Counsel

Chicago + 1.312.269.4155

Irene Savanis Fiorentinos provides strategic and practical leadership in managing all electronic discovery phases of complex litigation. She draws upon her extensive commercial trial experience and her understanding of technology and best practices for handling electronically stored information from preservation, through collection, review, production, and trial presentation. She has been involved in several matters as electronic discovery liaison responsible for negotiating with opposing counsel electronic discovery plans and arguing before courts electronic discovery disputes, as well as managing all phases of electronic discovery for complex, multijurisdictional matters.

Irene is a leader in the Firm's electronic discovery initiatives, including evaluating new technologies and training attorneys on current judicial trends and best practices. She also frequently speaks on these topics in industry settings and regularly counsels clients on litigation-related topics such as implementation of litigation holds and document retention policies.

Having litigated as much in state as in federal courts, both at the trial court and appellate level, she has tried cases before juries and judges and is a qualified member of the Northern District of Illinois Trial Bar. She has litigated disputes, including class actions, involving claims arising from acquisitions and divestitures, environmental statutes, and complex breach of contract, indemnification, and fraud claims.

Irene has been actively involved in the Firm's diversity efforts and is on the board of the Coalition of Women's Initiatives in Law, a national organization of law firms and corporate legal departments focused on women lawyers as leaders.


  • Manufacturer of bird food defends against putative class actionJones Day defended a manufacturer of bird food in a consolidated putative class action lawsuit alleging that the company sold bird food products that should not have been sold and seeking a refund of funds expended by consumers.
  • 3D Systems wins Federal Circuit appeal affirming summary judgment dismissing all antitrust and state law claimsOn April 18, 2014, the Federal Circuit affirmed summary judgment dismissing all antitrust and state law claims against Jones Day client 3D Systems, Inc., holding that the plaintiff failed to present evidence sufficient to support a jury finding in favor of plaintiff on the issue of the definition of the relevant market.
  • RadioShack defends against allegations in two putative class actions involving Fair and Accurate Credit Transactions ActJones Day represented RadioShack Corporation ("RadioShack") in consolidated class actions filed respectively in September and October, 2011.
  • Peabody Energy continues fight with Patriot CoalJones Day represented Peabody Energy Corporation ("PEC") in matters relating to the chapter 11 cases of its former subsidiary, Patriot Coal Corporation ("PCC"), including (a) discovery being conducted by PCC and their creditors' committee in those chapter 11 cases, (b) in an adversary proceeding brought against PEC by PCC in the chapter 11 case relating to certain benefit payments, and (c) litigation in West Virginia brought by the United Mine Workers of America relating to benefits owing by PCC.
  • International Coal Group obtains dismissal of complaint involving coal commission contractsJones Day obtained dismissal of complaint on behalf of International Coal Group, Inc. in the Circuit Court of Cook County, which was affirmed by the Appellate Court of Illinois, seeking to hold our client and its subsidiaries liable for coal commission contracts associated with entities whose assets our client had acquired through bankruptcy proceedings.
  • Cellfish Media resolves several state court consumer class actions alleging unauthorized chargingJones Day represented Cellfish Media LLC, a mobile content provider, in a series of consumer class actions, brought in several state courts, alleging unauthorized charging for mobile content services.
  • Potash Corporation successfully defends historic $43.1 billion hostile takeover bidFollowing an arduous three-month battle, Jones Day's client, Potash Corporation of Saskatchewan, Inc., successfully repelled BHP Billiton's hostile $43.1 billion tender offer for all of PotashCorp's shares in November 2010.
  • Continental Airlines pursues breach of contract claim as adversary proceeding to bankruptcy of airline distributorJones Day represented Continental Airlines in trial of breach of contract claim brought as an adversary proceeding in connection with the bankruptcy of an airline food and equipment distributor.
  • Boehringer Ingelheim Pharmaceuticals obtains dismissal of antitrust claims alleging sham litigation, brought by direct and indirect purchasersOn behalf of Boehringer Ingelheim Pharmaceuticals, Inc., Jones Day obtained dismissal of direct and indirect purchaser class actions in cases alleging that Boehringer brought sham litigation to maintain an unlawful monopoly.
  • Volunteers participate in 2009-10 Edward J. Lewis II Lawyers in Classroom ProgramJones Day Chicago has partnered with the Constitutional Rights Foundation Chicago (CRFC) to work with area students in the 7th and 8th grades to help them understand the U.S. Constitution and our legal system.
  • Rosalini Films and Think Big Productions successfully resolve breach of contract actionJones Day represented Illinois and foreign corporations involved in film and theater productions in a breach of contract action against a foreign entity in protracted litigation that included entry of default judgment, civil contempt fine, discovery of assets, garnishment of assets, appeal, and ultimate resolution of all matters foreign and domestic.
  • Abbott and TAP Pharmaceutical defend against Average Wholesale Price (AWP) litigationJones Day clients Abbott Laboratories and TAP Pharmaceutical Products, along with virtually the entire pharmaceutical industry, have been the subject of civil litigation alleging that drug manufacturers falsely reported the "average wholesale price," or "AWP," for various drugs in order to inflate the reimbursement paid by government and private payors for those drugs.
    • September 7, 2023
      Panelist: Practical Use of Generative AI presented by the Coalition of Women's Initiatives in Law
    • April 25, 2023
      The Master's Conference - Ethics of eDiscovery & Privacy Practice
    • June 21, 2023
      Consilio Symposium: Ethical Challenges in the Digital Age
    • May 16, 2019
      The Masters Conference: Vendor Management and Alignment of Legal Service Delivery
    • May 22, 2018
      Strategy and Advocacy in eDiscovery, The Chicago Masters Conference
    • February 23, 2016
      Retaining and Using Consulting Experts: Ethical Considerations for Attorneys, West LegalEdcenter
    • December 12, 2015
      Forensic Expert Witness Association: Searching For, Selecting and Retaining Expert Witnesses
    • November 11, 2015
      ACEDS - Linear and technology assisted review
    • November 5, 2015
      Ethical Considerations in E-Discovery for Corporate Attorneys and Litigators-2015
    • October 22, 2015
      Updated Presentation of Getting A Return on Preservation Effort Investment with Berkeley Research Group
    • July 23, 2015
      Getting A Return On Preservation Effort Investment, Berkeley Research Group
    • December 2, 2014
      Electronic Discovery Analytics 2015 Live Webcast presented by DRI
    • November 19, 2014
      Preservation: The Ethical Challenges Counsel Continue To Face, WeslLaw/Celesq Legal Ed)
    • November 14, 2013
      Ethical and Practical Considerations of Using Technology-Assisted Review in Litigation, Celesq/Westlaw Legal Ed
    • February 21, 2013
      E-Discovery in 2013: What Attorneys Need To Know, Pincus Professional Education
    • September 12, 2012
      On the Road to Reasonableness: Ethical Challenges for In-House Corporate Counsel and Outside Counsel When Issuing and Monitoring Litigation Holds, Celesq AttorneysEd Center
    • March 28, 2012
      De-Cluttering Discovery: A Roundtable Discussion
    • January 11, 2012
      How Following the Rules of Professional Responsibility Can Lessen the Burden and Cost of E-Discovery
    • September 15, 2011
      Ethical Considerations for Attorneys in the Course of E-Discovery
    • August 4, 2011
      The Business of eDiscovery, Leadership Breakfast Roundtable Series, Cowen Group
    • July 12, 2011
      eDiscovery: Preservation, collection and exchange of documents impacted by foreign language, LionDen Legal Library
    • May 19, 2011
      Jones Day MCLE University - Chicago
    • May 21, 2010
      Litigation Holds: Implementation through Release, International Legal Technology Association Ohio Conference
    • December 15, 2008
      Unique E-Discovery Challenges for Financial Institutions, moderator and presenter, Practicing Law Institute
    • May 2, 2008
      Second Annual National Institute on E-Discovery, American Bar Association