Margaret J. Sampson, Ph.D. - McDermott Will & Emery


Margaret J. Sampson, Ph.D., focuses her practice on global, strategic intellectual property transactions and patent counseling surrounding the areas of life sciences, pharmaceuticals, research tools and medical devices. Life sciences and technology clients turn to her for evaluating, structuring, negotiating and documenting major transactions.

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  • Represented pharmaceutical company in a strategic research and development alliance and option licensing transaction which focused on the development of cell therapies for patients with ocular diseases for the next generation of ocular treatments, for a $30 million up-front payment and R&D funding for the development of multiple candidate programs*
  • Represented pharmaceutical company in various acquisitions, dispositions and investments of FDA-approved pharmaceutical products*
  • Represented pharmaceutical company in a world-wide development and collaboration agreement for the development of an implantable drug delivery device for the programmed release of therapeutics to patients, for a $35 million up-front payment in the form of an equity investment and technology access fee*

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  • Legal 500, Recommended Lawyer, 2023
  • IAM Patent 1000 – The World’s Leading Patent Practitioners, 2023
  • The Best Lawyers in America, Intellectual Property Litigation, 2012-2024; Biotechnology and Life Sciences Practice, 2013-2024; Patent Law, 2013-2024
  • The Best Lawyers in America, Texas, Lawyer of the Year, Biotechnology and Life Sciences Practice, 2020

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  • American Bar Association


The University of Texas School of Law, JD, with honors, 2000
Baylor College of Medicine, PhD, Molecular & Human Genetics, 1997
The University of Texas, BS, Biology, 1992
The University of Texas, BA, Liberal Arts (Plan II), 1992


US Patent and Trademark Office