Joshua Oyster


  • JD, with highest honors, The George Washington University Law School, 2012; Order of the Coif; associate, The George Washington University Law Review ; member, Moot Court Board; member, Mock Trial Board; member, Alternative Dispute Resolution Board
  • BS (Biological Anthropology & Anatomy), magna cum laude ; with distinction, Duke University, 2008; Phi Beta Kappa


  • District of Columbia, 2013
  • California, 2012
  • Kentucky, 2018

Court Admissions

  • U.S. Court of Appeals for Veterans Claims, 2013

Joshua Oyster


Joshua Oyster's practice focuses on a wide range of regulatory and compliance issues faced by life sciences and health care companies regulated under the Federal Food, Drug, and Cosmetic Act (FDCA) and related laws.

Josh originally joined the corporate department as an associate in 2012.  He then served as an in-house counsel for a leading health and well-being company before returning to Ropes & Gray in May 2017.


  • Performed FDA regulatory diligence for numerous IPOs of early and late-stage pharmaceutical and biotech companies.
  • Advised a major pharmaceutical company on strategies for working with FDA to resolve a drug shortage stemming from alleged violations of Good Manufacturing Practices by a contract manufacturer.
  • Counseled a drug manufacturer on the FDA approval pathways for new indications for the manufacturer’s drug, as well as regulatory issues under the Hatch-Waxman Act.
  • Counseled an over-the-counter drug firm regarding dispute with competitor over umbrella branding and proprietary naming issues.
Medical Devices
  • Conducted an internal investigation of in vitro diagnostics manufacturer related to alleged noncompliance with the FDCA and the Clinical Laboratory Improvement Amendments (CLIA).
  • Performed FDA regulatory diligence for orthopedics firm’s acquisition of another orthopedics manufacturer with complementary product portfolio.
  • Advised in vitro diagnostics manufacturer regarding its response to an FDA Form 483 inspection report related to violations of the quality system regulation.
  • Advised medical device manufacturers defending government investigations into their reporting of corrections and removals under 21 C.F.R. Part 806.
Dietary Supplements
  • Advised a dietary supplement firm regarding labeling requirements under the Dietary Supplement Health and Education Act (DSHEA).
  • Counseled a dietary supplement contract manufacturer on an adulteration issue related to ingredients provided by the dietary supplement owner.
  • Advised a manufacturer of hair care products regarding compliance with the Poison Prevention Packaging Act and reporting requirements to the Consumer Product Safety Commission (CPSC).
  • Advised a cosmetics firm regarding FDA compliance issues relating to the preparation of customized skin care products.
Compounding Pharmacies
  • Regularly advised a sterile compounding pharmacy on compliance matters associated with FDA regulatory issues, including inspection responses, regulatory correspondence, and new legislation.
  • Advised a large private equity firm on FDA regulatory challenges associated with a sterile compounding pharmacy transaction, including the impact of the federal Drug Quality and Security Act.
Clinical Laboratories
  • Performed regulatory diligence for potential securities offering by clinical laboratory performing genetic testing.
  • Performed healthcare regulatory diligence for private equity firm’s acquisition of a clinical laboratory and assessed compliance risks related to fraud and abuse laws, and CLIA.


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