Kathryn L.Dore (Kat)


Chicago + 1.312.269.4160

Kat Dore is a litigator who focuses on class actions, qui tam litigation, and product liability cases. She has experience defending and prosecuting claims in both state and federal courts, as well as representing clients in high-stakes domestic and international arbitration proceedings. Kat has represented technology companies, pharmaceutical manufacturers, tobacco companies, real estate developers, retailers, and numerous other corporate clients. In addition, she has experience conducting internal investigations and counseling clients on litigation risks in connection with mergers and acquisitions.

Recently, Kat successfully defended a global pharmaceutical company in an international arbitration involving claims of breaches of a commercial development agreement. She also secured a unanimous defense verdict in favor of a worldwide health care company in a product liability lawsuit seeking tens of millions of dollars in damages. Kat's past experience includes representing R.J. Reynolds in a billion-dollar dispute over payments due under the landmark tobacco Master Settlement Agreement and the successful defense of a large-scale commercial real estate developer that resulted in a full jury verdict.

Kat also has a vibrant pro bono practice and is currently actively involved with the Firm's Laredo Project. She has assisted a juvenile sentenced to life without parole in obtaining a reduced sentence under the Miller v. Alabama decision and a persecuted Eritrean citizen in obtaining asylum in the United States. Kat serves as a member of the Firm's Diversity, Inclusion and Advancement Committee and is on the Junior Leadership Board of the National Immigrant Justice Center.


  • Pharmaceutical manufacturer obtains dismissal with prejudice of pharmaceutical products and medical malpractice lawsuitA pharmaceutical manufacturer represented by Jones Day obtained an Illinois Appellate Court decision rejecting a plaintiff’s attempt to revive a product liability lawsuit that the trial court had previously dismissed with prejudice.
  • Illinois victim of torture sentenced to life without parole at age 17 wins early releaseOur Jones Day team, working in collaboration with Northwestern University Pritzker School of Law’s Bluhm Legal Clinic and DLA Piper, helped to secure the early release of Jaime Hauad from prison because he had been subject to torture by Chicago police officers during their investigation of the crimes underlying his conviction.
  • Manufacturer conducts internal investigation relating to sales and marketing practicesJones Day advised a manufacturer in connection with an internal investigation related to sales and marketing practices, including practices related to nurse educators and field reimbursement specialists.
  • Digital Bridge acquires DataBankJones Day advised Digital Bridge Holdings, LLC, an investment firm that owns and operates communications infrastructure assets, on its acquisition of DataBank, Ltd., a leading North American provider of enterprise-class data center solutions including colocation, managed services, as well as cloud and network services, from Avista Capital Partners.
  • Eritrean Christian obtains asylum from religious persecutionJones Day, in conjunction with the National Immigrant Justice Center, assisted an Eritrean Christian who had suffered religious persecution to obtain asylum in the United States.
  • Experian wins dismissal in putative class actionOn August 4, 2014, the U.S. District Court for the Northern District of Illinois dismissed all claims against Jones Day client Experian Information Solutions, Inc. ("Experian").
  • 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.
  • Abbott wins unanimous jury verdict in first products liability trial involving powdered infant formulaOn January 17, 2014, after a two-week trial in Sioux City, Iowa, a federal jury found in favor of Jones Day client Abbott Laboratories in a product liability suit seeking tens of millions of dollars in damages.
  • Domestic violence victim from El Salvador awarded asylumYael Aufgang, Allyson Spacht, and Kat Dore won asylum last week for our El Salvadoran client before Immigration Judge Sheila McNulty.
  • DDR wins jury verdict in five week trial over development contractOn August 18, 2012, after a five week trial, a Michigan state court jury handed down a full defense verdict for Jones Day's client, DDR Corp., a major shopping center owner and developer, in a breach of contract suit seeking over $200 million in damages.
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