Curriculum Vitae
NATASHA FERNANDEZ-SILBER is a Partner at Edelson PC, where she chairs the Firm’s Antitrust practice group. She leads multiple antitrust actions across industries, focusing on price-fixing and monopolization schemes, including—In re Multiplan, No. 24-md-6795 (N.D. Ill.), a price-fixing suit brought on behalf of a proposed class of healthcare providers against major insurers; In re Respimat Pharmaceuticals Antitrust Litigation, MDL No. 3154 (D. Mass.), representing a proposed class of indirect purchasers alleging that Boehringer Ingelheim unlawfully monopolized the Respimat inhaler markets through wrongful Orange Book patent listings; and In re: CoStar Group Antitrust Litigation, No. 3:26-md-03192-DJN (E.D. Va.), representing a proposed class of commercial real estate brokers alleging that CoStar engages in an exclusive-dealing scheme to lock up commercial real estate listing data.
In addition, Natasha serves as a Special Acting Attorney General to the State of Michigan in Michigan v. Express Scripts et al., No. 25-cv-11215 (E.D. Mich.), which alleges that pharmacy benefit managers Prime and Express Scripts engaged in price-fixing at the expense of local pharmacies. She also represents WCO Spectrum LLC in a competitor suit against T-Mobile, alleging the telecom behemoth has maintained an illegal monopsony over 2.5 GHz spectrum. T-Mobile US, Inc. v. WCO Spectrum, LLC, No. 2:23-cv-04347 (C.D. Cal.).
Prior to joining Edelson PC, Natasha was a partner at a litigation boutique specializing in generic drug suppression cases. Before that, Natasha clerked for the Honorable Ann Claire Williams on the Seventh Circuit Court of Appeals and was an associate at Wachtell, Lipton, Rosen & Katz.
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In re Multiplan, No. 24-md-6795 (N.D. Ill.) – Interim Co-Lead Class Counsel
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In re: CoStar Group Antitrust Litigation, No. 3:26-md-03192-DJN (E.D. Va.) – Interim Co-Lead Counsel
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In re Respimat Pharmaceuticals Antitrust Litigation, MDL No. 3154 (D. Mass.) – Interim Co-Lead Class Counsel
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Michigan v. Express Scripts et al., No. 25-cv-11215 (E.D. Mich.) – Special Acting Attorney General to the State of Michigan
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T-Mobile US, Inc. v. WCO Spectrum, LLC, No. 2:23-cv-04347 (C.D. Cal.) – Represents WCO Spectrum.
- Reece v. Altria Group, No. 20-02345 (N.D. Cal.) – Steering Committee member representing direct purchasers of Juul products in suit alleging anticompetitive agreement between Juul and Altria.
- In re Inclusive Access Course Materials Antitrust Litig., No. 20-02946 (S.D.N.Y.) – Appointed Co-Lead Interim Counsel on behalf of college students alleging textbook publishers and retailers conspired to restrict sales of course materials to specific online format to foreclose competition and raise prices.
- In re Actos Antitrust Litig., No. 15-03278 (S.D.N.Y) – Counsel for direct purchasers in suit alleging Takeda delayed generic competition for diabetes drug by misrepresenting scope of patents listed in Orange Book.
- In re Ranbaxy Generic Drug Application Antitrust Litig., No. 19-02878 (D. Mass.) – Counsel for direct purchasers in suit alleging Ranbaxy fraudulently obtained tentative ANDA approvals (and first-to-file exclusivities), delaying generic competition in three drug markets.
- In re Intuniv Antitrust Litig., No. 16-12653 (D. Mass.) – Counsel for direct purchasers in suit alleging reverse payment scheme to monopolize market for ADHD drug.
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Trial Lawyers of Mass Torts (“TLMT”) Conference – Speaker, “Leadership in Mass Torts and Class Actions” Panel
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19th AAI Annual Private Antitrust Enforcement Conference, American Antitrust Institute (Nov. 6, 2025) – Panelist, “Monopoly Soup or Monopoly Salad?” Panel
- New York
- Michigan
- Southern District of New York
- Seventh Circuit Court of Appeals

