Kristen O'Shaughnessy
Biography
Overview
Kristen is a litigation partner in the Global Competition and Antitrust Group, specializing in high-stakes antitrust litigation, investigations, and strategic counseling, and recognized by Legal 500 for her work in antitrust civil litigation and class action defense. She regularly litigates federal Sherman Act monopolization and conspiracy claims, in addition to state antitrust and unfair competition claims. She has honed a versatile litigation toolkit, representing clients in a variety of settings, including multidistrict parallel class actions, opt-out litigations, litigation involving horizontal competitor conduct and vertical arrangements, as well as criminal and civil antitrust investigations.
A core team member in the firm’s Global Life Sciences and Healthcare Industry Group, Kristen has deep expertise representing global pharmaceutical companies (including AbbVie, Allergan, Boehringer Ingelheim, Gilead, and Pfizer) in complex litigation on the cutting edge of antitrust and intellectual property. In defending companies against reverse payment, product hopping, and generic delay claims, Kristen and her team have successfully obtained multiple precedent-setting rulings that shape the landscape of pharmaceutical antitrust litigation.
Beyond life sciences, Kristen’s clients span a range of industries, including telecommunications, financial institutions, health insurance, technology, construction, automotive, and oil and gas. As a core team member in the firm’s Sustainability and Responsible Business group, she counsels clients on navigating antitrust risks in ESG-related collaborations and climate initiatives, and advises clients on regulatory developments and enforcement trends. The team's global antitrust sustainability heatmap can be found here.
A recognized thought leader, Kristen frequently writes, teaches, and speaks on cutting-edge antitrust and competition topics, including trends in the pharmaceutical and technology sectors. Her work has been published in the Antitrust Law Journal, Global Competition Review, and Competition Policy International, and she is a regular speaker at conferences and on panels.
Committed to developing the next generation of lawyers, Kristen plays a leadership role in mentoring and professional development at the firm. She is also a member of the firm's Global Women's Initiative, driving efforts to advance gender diversity through mentoring, networking events, and community engagement.
Prior to joining White & Case, Kristen worked in Thailand advising clients on international intellectual property issues, including counseling the Thai Department of Intellectual Property on compliance with the Madrid Protocol and assisting a major pharmaceutical company with its global patent litigation strategy.
Kristen holds a degree in engineering from Northwestern University. She brings her technical and analytical approach to complex competition matters, including when working with economists to craft economic analyses of product markets, anticompetitive effects, causation, and class certification.
Experience
Selected Projects
Representing a manufacturer in multiple nationwide class actions in connection with allegations of price fixing conspiracy and anticompetitive information exchange under federal and state antitrust laws.
Lead counsel representing a telecommunications company in a high-stakes dispute involving a supplier’s anticompetitive leveraging of upstream market power to foreclose competition and systematically disadvantage downstream purchasers.
Representing a pharmaceutical API supplier in litigation alleging exclusive dealing claims under federal and state antitrust laws.
Representing a pharmaceutical company in litigation involving a dispute over patent licensing and patent ownership.
Representing a telecommunications company in litigation alleging unfair competition and trade secret misappropriation.
Representing an innovator pharmaceutical company in multiple antitrust class actions alleging an anticompetitive scheme involving dozens of HIV products, relating to antitrust challenges to new product development, collaboration agreements and joint ventures, and patent settlements. Secured summary judgment dismissal of product-hopping claims and overarching scheme claims, which dramatically reduced client’s risk exposure.
Representing an innovator pharmaceutical company in a series of antitrust class actions involving "reverse payment" and "product hopping" allegations, relating to the company's development and launch of new Alzheimer's treatments, its settlement of patent infringement litigation, and its manufacturing and supply agreements. Secured dismissal of product-hopping claims at summary judgment.
Representing an innovator pharmaceutical company in multiple antitrust class actions involving "reverse payment" and "product hopping" allegations, relating to oral contraceptives.
Trial counsel for health insurer Anthem in its defense at an expedited merger trial and appeal against claims brought by the US Department of Justice as to Anthem's proposed US$54 billion acquisition of Cigna Corporation. Defended Anthem against Cigna in subsequent break-up fee litigation, in which the Delaware court relived Anthem of any break-up fee obligations based upon Cigna's conduct in opposition to the merger.
Representing an innovator pharmaceutical company in multiple antitrust class actions involving "reverse payment" claims relating to stroke medication, challenging the settlement of patent infringement litigation and the entry of a co-promotion agreement.
Trial counsel representing a global pharmaceutical company in a preliminary injunction hearing in the Southern District of New York in an antitrust action challenging a new-product launch under product-hopping theory.
Representing innovator pharmaceutical company in multiple class actions involving "reverse payment" allegations with respect to blockbuster cholesterol treatment.
Counseling Kenyan company for compliance with Foreign Corrupt Practices Act, and representation in an anti-corruption audit.
Representing a General Counsel in the automotive industry in criminal investigations by the US Department of Justice.
Representing an executive in the oil and gas industry in criminal investigations by the US Department of Justice.
Representing an innovator pharmaceutical company in antitrust action involving allegations of sham litigation and generic delay relating to epinephrine autoinjector.
Representing an innovator pharmaceutical company in multiple antitrust class actions involving "reverse payment" allegations with respect to blockbuster cholesterol treatment.
Representing innovator pharmaceutical company in multiple antitrust class actions involving "reverse payment" allegations with respect to antidepressant treatment.
"Economic Issues in Healthcare", 51st Annual Conference on International Antitrust Law and Policy (September 2024)
"Managing the Continued Fallout of the Inflation Reduction Act: Reexamining Drug Pricing, Innovation, and Commercialization Strategies in the Wake of the IRA", Women Leaders in Life Sciences Law Conference (July 2024)
"Competition", 31st Annual Intellectual Property Law & Policy Conference (April 2024)
"Class Action Damages: The Economic Disputes", 50th Annual Conference on International Antitrust Law and Policy (September 2023)
"Win, Lose, or Draw? A Decade of Pharma Antitrust Since FTC v. Actavis”, Our Curious Amalgam ABA Podcast (August 2023)
"Pharmacy Benefit Managers: Economics and Enforcement Interest", 49th Annual Conference on International Antitrust Law and Policy (September 2022)
"Pharmaceutical Antitrust Updates: Latest Court Decisions, Congressional Bills, and Price Scrutiny", American Health Law Association (February 2022)
"Recent Antitrust Developments: March and April 2015", ABA Section of Antitrust Law, Health Care and Pharmaceuticals Committee (May 2015)
"A Decade of FTC v. Actavis: The Reverse Payment Framework is Older, But are Courts Wiser in Applying it?", 86 Antitrust Law Journal No. 2, December 2024 (co-author with Jaclyn Phillips, Daniel Grossbaum, and Lauren Gorab)
United States: Pharmaceutical Antitrust 2023, Global Competition Review, Oct 2022, (co-author with Adam Acosta, Michael Gallagher, Eric Grannon, Heather McDevitt, and Eugene Hutchinson)
"Jury Verdict in In re Opana ER Antitrust Litigation," American Health Law Association, August 2022 (co-author with Jaclyn Phillips)
"Big Data, Little Chance of Success: Why Precedent Does Not Support Anti-Data Theories of Harm," Competition Policy International, July 2022 (co-author with D. Daniel Sokol, Jaclyn Phillips, and Nathan Swire)
"Big Data and Data-Related Abuses of Market Power," P. Akman, O. Brook, K. Stylianou (eds). Research Handbook on Abuse of Dominance and Monopolization (Edward Elgar Publishing), Forthcoming (co-author with Tilman Kuhn, Tobias Pesch, Jaclyn Phillips, and D. Daniel Sokol)
United States: Pharmaceutical Antitrust 2022, Global Competition Review, Oct 2021, (co-author with Michael Gallagher, Eric Grannon, Heather McDevitt, Adam Acosta, Kevin Adam, and Ada Yue Wang)
"House Bill Mandating User Data Portability and Platform Interoperability Could Impact Digital Companies of All Sizes" (co-author with Earl Comstock and Andres Liivak)
"FTC Encouraged to Ban or Limit Non-Compete Agreements in July 9, 2021 Executive Order; Breaks With Tradition, And Follows Trend of Heightened Antitrust Focus on Labor Markets" (co-author with J. Mark Gidley, Kathryn Mims, Erin McNamee, Kevin C. Adam, Jaclyn Phillips, Abdul M. Hafiz, and Tal Marnin)
"What Does President Biden's July 9, 2021 Executive Order on Competition Mean for the Pharma Industry?" (co-author with Michael Gallagher, Kathryn Mims, Kevin C. Adam, Jaclyn Phillips)
"Sweeping US Order on 'Promoting Competition'", July 2021 (co-author with J. Mark Gidley, George L. Paul, Jack Pace, Kathryn Mims, Erin McNamee, Kevin C. Adam, Jaclyn Phillips, Abdul M. Hafiz)
"What's Next for Drug Pricing in the US?" (co-author with J. Mark Gidley, Michael Gallagher, Peter Carney, Robert Milne, Jack Pace, Kevin C. Adam)
"US antitrust spotlight on the technology industry" (co-author with J. Mark Gidley, Kathryn Mims, Jaclyn Phillips, Kevin C. Adam)
"Senator Josh Hawley Joins Growing Number in Congress Proposing Sweeping Antitrust Reform Legislation", April 2021 (co-author with Jaclyn Phillips and Michael Kucharski)
United States: Pharmaceutical Antitrust 2021, Global Competition Review, Oct. 2020, (co-author with Michael Gallagher, Eric Grannon, Heather McDevitt, Adam Acosta, and Kevin Adam)
United States: Pharmaceutical Antitrust 2020, Global Competition Review, Sept. 2019, (co-author with Michael Gallagher, Eric Grannon, Heather McDevitt, Adam Acosta, and Kevin Adam)
"California's New Reverse Payment Law Departs from Supreme Court Standard in FTC v. Actavis", October 2019 (co-author with Daniel Grossbaum, Jack Pace, Bryan Gant and J. Mark Gidley)
United States: Pharmaceutical Antitrust 2019, Global Competition Review, Sept. 2018, (co-author with Michael Gallagher, Eric Grannon, Heather McDevitt, Kevin Adam, Adam Acosta, and Trisha Grant)
United States: Pharmaceutical Antitrust 2018, Global Competition Review, Sept. 2017, (co-author with Michael Gallagher, Eric Grannon, Heather McDevitt, Kevin Adam, Adam Acosta, and Trisha Grant)
United States: Pharmaceutical Antitrust 2017, Global Competition Review, Sept. 2016, (co-author with Michael Gallagher, Eric Grannon, Heather McDevitt, Kevin Adam, Adam Acosta, and Trisha Grant)
United States: Pharmaceutical Antitrust 2016, Global Competition Review, Sept. 2015, (co-author with Eric Grannon, Heather McDevitt, Adam Acosta, and Trisha Grant)
Recommended for Antitrust Civil – Civil Litigation/Class Actions: Defense, Legal 500 US 2023
Best Antitrust Business Article – Intellectual Property Category, Concurrences Antitrust Writing Awards (2018)
Pro Bono Honor Roll, White & Case, 2011, 2012, 2013, 2018
National Law Journal "Brief of the Week" (July 25, 2012) - Amicus brief to the United States Supreme Court in Kirtsaeng v. John Wiley & Sons, cited by the Supreme Court in support of its landmark decision that the "first sale" doctrine applies to foreign-manufactured goods.
Pro Bono Award for Outstanding Legal Service, White & Case, 2012