Margareta K. Sorenson, Ph.D.

Senior Associate


Margareta Sorenson focuses primarily on patent litigation, counseling and prosecution in the pharmaceutical and biotechnology fields. Dr. Sorenson represents innovator companies in biosimilar litigation and inter-partes review proceedings. Her work also includes patent prosecution, freedom-to-operate analysis and IP due diligence. Dr. Sorenson has experience in a variety of technologies, including therapeutic antibodies, small molecule drugs, and gene therapies.

Dr. Sorenson practiced both IP litigation and prosecution at Foley & Lardner before joining WilmerHale in 2015. Prior to law school, Dr. Sorenson earned her PhD in molecular biophysics at the Rockefeller University and conducted postdoctoral research at Harvard Medical School. Her scientific work focused on protein structure and function. Previously, she worked at Ropes & Gray as a technical advisor, where she provided patent prosecution and counseling for a variety of pharmaceutical and biotechnology clients. 

Dr. Sorenson maintains an active pro bono practice, and her experience includes providing legal aid to low-income disabled children and individuals with HIV, including obtaining fully favorable decisions in three social security appeals. Dr. Sorenson's article “Four Factors Influencing Enhanced Damages After Halo” recently appeared in Law360.

Publications & News


January 17, 2017

Four Factors Influencing Enhanced Damages After Halo

In this article published by Law360, Donald Steinberg, Heather Petruzzi and Margareta Sorenson consider district court decisions on enhanced damages issued within the first six months after Halo, particularly focusing on the factors that influence whether enhanced damages are ultimately awarded.


Skip Navigation Links.


JD, Harvard Law School, 2012

PhD, Molecular Biophysics, The Rockefeller University, 2006

BA, Special Honors, Hunter College of the City University of New York, 2000, Phi Beta Kappa, Sigma Xi

Bar Admissions

District of Columbia


United States Patent and Trademark Office

Skip Navigation Links.