Danielle L. Letting, Ph.D.


Danielle Letting is an associate in the firm’s Intellectual Property Department, focusing her practice on biotechnology and pharmaceutical patents. She has extensive experience prosecuting patents, rendering invalidity and non-infringement opinions, and conducting patentability, due diligence and freedom-to-operate analyses.

She has experience with a broad range of technologies including pharmaceutical formulations, pharmaceutical dosage forms, biologics, and methods of treating diseases, including cancer, allergic disease and metabolic disease. She also has experience with nutritional supplements and food and beverage products.

Danielle’s graduate work focused on the regulation of gene expression in mammalian systems.

Professional Highlights

Board Memberships & Community Service

Volunteer, Support Center for Child Advocates, 2010-2015


Co-author, “Context-dependent Regulation of GATA-1 by FOG-1,” Proc. Natl. Acad. Sci. U S A. 2004 Jan 13; 101(2): 476-81

Co-author, “GATA-1-Mediated Proliferation Arrest During Erythroid Maturation,” Mol. Cell Biol. 2003 Jul; 23(14): 5031-42

Co-author, “Formation of a Tissue-Specific Acetylation Pattern by the Hematopoietic Transcription Factor GATA-1,” 2003. Mol. Cell Biol. 23(4): 1334-40

Co-author, “Unexpected Ratio of Allozyme Expression in Diploid and Triploid Individuals of the Clonal Hybrid Fish Phoxinuseos-neogaeus.” 1999. J. Exp. Zool. 284: 663-674



Georgetown University Law Center (J.D. 2009)

University of Pennsylvania (Ph.D., Cell and Molecular Biology, 2004)

Ursinus College (B.S. 1999)



District of Columbia

U.S. Patent and Trademark Office