Constantine Cannon (Washington)

Allison F. Sheedy

Constantine Cannon (Washington)

Allison F. Sheedy is Antitrust Litigator in the Washington, DC office of Constantine Cannon. Ms. Sheedy’s practice focuses on civil antitrust litigation, government antitrust investigations involving potentially anticompetitive business practices, and consumer protection matters. Ms. Sheedy also provides advice on an array of antitrust issues, including general compliance, joint ventures, multijurisdictional investigations, the merger review process and merger investigations. Prior to joining Constantine Cannon in June 2013, Ms. Sheedy was counsel at the law firm of Akin Gump Strauss Hauer & Feld, LLP. Ms. Sheedy received her B.A. in literature from Sarah Lawrence College in 1998 and her J.D. in 2006 from the University of Pennsylvania Law School, where she was Articles Editor of the University of Pennsylvania Law Review. Ms. Sheedy also holds an M.A. in Liberal Studies from the New School for Social Research. Ms. Sheedy is a member of the District of Columbia and Pennsylvania bars. She is a member of the Antitrust Section of the ABA and is a member of the Antitrust and Litigation Sections of the ABA.

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Constantine Cannon (New York)
Constantine Cannon (London)
Constantine Cannon (Washington)
Constantine Cannon (Washington)
Constantine Cannon (Washington)


773 Bulletin

Allison F. Sheedy, Ethan Litwin, Ankur Kapoor The US District Court for the Northeastern District of New York dismisses a drug manufacturer’s claim against a rival which it alleged blocked entry into the market for a medication administered through pre-loaded syringes (Novartis / Regeneron)


A Nearsighted Approach to Product Market Definition: Court Rejects Low-Cost Rival’s Antitrust Claims Alleging Novartis Blocked Competition in the Sale of Eye-Disease Treatments* One antitrust case we have been watching closely is the patent-related antitrust suit filed by biotechnology company (...)

Allison F. Sheedy The US District Court for the District of Columbia grants the FTC a preliminary injunction to halt the proposed merger between the largest US food distributors, leading them to abandon the merger plans (Sysco / US Foods)


Sysco Scraps US Foods Merger After FTC Victory In Court* Sysco Corp. announced yesterday that it is abandoning its plans to acquire food service rival US Foods Inc., following last week’s setback to the deal in federal court. In an opinion that closely tracked the FTC/DOJ Merger Guidelines, (...)

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