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Shannon Lentz

Phone: +1 202.624.2897
1001 Pennsylvania Avenue NW
Washington, DC 20004-2595

Shannon M. Lentz is a counsel in the Intellectual Property Group in the firm's Washington, D.C. office. Her practice includes all aspects of patent law, including preparing and prosecuting patent applications; providing infringement and validity opinions; counseling in litigation and post-grant proceedings; and participating in inter partes review proceedings.

Shannon has experience with a wide range of biomedical and chemical technologies, including cell and molecular biology, genetics, organic chemistry, pharmaceutical chemistry, polymer chemistry, medical devices, biologics, coatings, adhesives, nanomaterials, research tools, and drug delivery technologies.

Prior to becoming an attorney, Shannon worked in the Functional Genomics group of the Biological Defense Research Directorate of the Naval Medical Research Center.

Shannon graduated from the University of Maryland, College Park with a B.S. in molecular biology and genetics. She received her J.D. from the University of Maryland School of Law.

Representative Cases

  • Apotex v. Amgen, IPR2016-01542 (PTAB): Represented petitioner Apotex in an inter partes review successfully invalidating a patent relating to Neupogen® and Neulasta®.
  • LifeNet Health v. Life Cell Corp., No. 2:13-cv-00486 (E.D. Virginia): Represented plaintiff LifeNet in patent-infringement action involving soft-tissue grafts. Jury awarded LifeNet over $34 million; decision affirmed on appeal. 
  • Represented university system in patent license dispute over cancer treatment in which the plaintiff pharmaceutical company sought damages exceeding $200 million. Obtained summary adjudication in favor of client.


  • University of Maryland School of Law, J.D.
  • University of Maryland, College Park, B.S. Molecular Biology and Genetics


Admitted to practice: District of Columbia, Maryland, U.S. Patent and Trademark Office (USPTO).

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Crowell & Moring LLP is an international law firm with approximately 550 lawyers representing clients in litigation and arbitration, regulatory and policy, and transactional matters. The firm is internationally recognized for its representation of Fortune 500 companies in high-stakes litigation, as well as its ongoing commitment to pro bono service and diversity, equity and inclusion. The firm has offices in Brussels, Doha, London, Los Angeles, New York, Orange County, San Francisco, Shanghai, and Washington, D.C.

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