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Meet Our Professionals

Karen L. Carroll

Atlanta | 678.690.5704
Fax | 404.869.6972

Karen Carroll's practice focuses on complex intellectual property litigation and counseling, with a specific focus on pharmaceutical and biotechnology-related patent matters, including Hatch-Waxman litigation. Additionally, she has handled matters involving technologies outside of the biopharmaceutical industry, including in the areas of mechanical devices, computer and computer software devices, telecommunications, and medical devices.

Karen also provides a range of counseling services to her clients, including due diligence and freedom-to-operate analyses, patent valuations, and licensing advice. She counsels pharmaceutical clients on transactional matters pertaining to commercial supply chain contracts, wholesale distribution agreements, and product offers.

Prior to her legal career, Karen worked for more than 10 years in the biopharmaceutical industry, first as a research scientist at the Department of Neuropathology at Johns Hopkins University and Codon Pharmaceuticals, and then as a patent agent at Human Genome Sciences Inc. During her time as a patent agent, she procured a wide array of patents worldwide covering genes, proteins, antibodies, and methods of diagnosing and treating patients, as well as small-molecule pharmaceutical products and formulations. In addition to her patent prosecuting experience, Karen advised members of the scientific staff on a variety of matters relating to patent, regulatory, and Hatch-Waxman issues.

Representative Experience

  • Reviewed and provided advice on U.S. distribution and supply chain contracts, as well as product offer letters, for a global life sciences company.
  • Served as counsel to a global generic pharmaceutical company in Hatch-Waxman patent litigation actions filed in multiple jurisdictions, including the District of Delaware, the District of New Jersey, the Eastern District of Pennsylvania, the Middle District of Florida, and Northern District of West Virginia.
  • Counseled global branded pharmaceutical company in a declaratory judgment patent litigation action in the District Court of Delaware.
  • Represented a global hospital bed manufacturer in a multi-patent, multi-district litigation.
  • Counseled several information technology manufacturers and providers in patent litigation actions.
  • Represented an information technology manufacturer in copyright litigation in the Northern District of Illinois.
  • Served as counsel to a global consumer product manufacturer in multiple patent litigation actions in multiple jurisdictions, including the Eastern District of North Carolina, the Western District of Virginia, and the Northern District of Illinois.
  • Represented a global retail company in multiple patent litigation actions in the Eastern District of Texas.
  • Represented a global telecommunications company in multiple patent litigation actions in the Eastern District and Western District of Texas.
  • Served as counsel to a global generic pharmaceutical company in an inter partes review proceeding before the Patent Trial & Appeal Board.
  • Served as counsel to a global consumer product manufacturer in a reexamination proceeding before the U.S. Patent and Trademark Office (USPTO).
  • Argued successfully for the invalidation of four patents related to drugs for a neurological disease. Acorda Therapeutics, Inc., et al. v. Roxane Laboratories, Inc., et al. (D. Del.).
  • Represented defendants in an action for patent infringement, where the court found that our client did not infringe the asserted claims of the patent-in-suit and, as part of a two-part strategy, obtained a ruling before the PTAB that the claims of the patent-in-suit were unpatentable. The Federal Circuit affirmed the PTAB’s finding of unpatentability. Salix Pharmaceuticals Inc. et al. v. Mylan Pharmaceuticals Inc. et al. (Fed. Cir.); GeneriCo, LLC et al. v. Dr. Falk Pharma GmbH (IPR).

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Honors & Awards

  • Georgia Super Lawyers Rising Star, 2017
  • Distinguished Service Award, Chicago Volunteer Legal Services Foundation, 2010


  • Georgia Lawyers for the Arts, PATENTS Advisory Board, 2019-present
  • Women in Bio, Atlanta Chapter
  • ChIPs, Southern Chapter
  • American Bar Association
  • American Intellectual Property Law Association
  • Illinois State Bar Association
  • Georgia State Bar Association