Gabrielle Markeson

Gabrielle Markeson


Associate, New York

Gabrielle Markeson practices general intellectual property law with an emphasis on complex pharmaceutical patent litigation. She has litigated patent infringement cases pertaining to drugs for treating breast cancer, kidney cancer, pancreatic cancer, brain tumors, schizophrenia, gastric-acid related disorders, endocrine diseases and hepatitis C virus. Gabrielle also has experience with contested proceedings before the PTO, pre-suit investigations, freedom to operate opinions, intellectual property due diligence and patent prosecution.

Case Highlight

Idenix Pharmaceuticals, Inc., et al. v. Gilead Pharmasset LLC
P.T.A.B. (2014)

Helped obtain judgment in favor of client Gilead in a patent interference against Idenix relating to nucleoside analogs useful for treating HCV infection.

Representative Matters
  • Novartis against multiple defendants on patents covering Afinitor®, a treatment for advanced breast cancer, advanced kidney cancer, pancreatic neuroendocrine tumors, and brain tumors.
  • Otsuka against multiple defendants on patents covering the antipsychotic drug Abilify®.
  • Amgen and Brigham & Women’s Hospital against multiple defendants on patents covering the calcimimetic Sensipar® for treating hyperparathyroid and carcinoma conditions.
  • Novartis against multiple defendants on patents covering Zortress®, a prophylactic treatment for kidney or liver transplant rejection.
  • Gilead against Idenix in a patent interference related to the anti-HCV medicine Solvadi®.
  • AstraZeneca and KBI, Inc. against multiple defendants on patents covering the proton pump inhibitor medicine Nexium® for gastric-acid related disorders.
  • AstraZeneca against multiple defendants on a patent covering a sustained release antipsychotic drug Seroquel XR®.