Christina Brown-Marshall, Ph.D., focuses her practice on patent and mass tort product liability litigation. She has also successfully represented clients facing scrutiny by federal prosecutors and regulatory agencies, including conducting related internal investigations.

Christina has experience in a variety of technological fields, including medical devices, biotechnology, pharmaceuticals, and device manufacturing. She has represented clients in U.S. District Courts, the International Trade Commission and at the Patent Trial and Appeal Board. Her litigation experience encompasses all phases of litigation, including conducting pre-suit diligence, managing discovery, drafting and arguing motions, and stand up roles at trial. Christina also works closely with expert witnesses, many of whom are academics, to prepare them for the unique challenges of deposition and trial.

Christina earned her J.D. from Stanford Law School and her Ph.D. in chemistry from Stanford University. As a law student, she served as co-president of the BioLaw and Health Policy Society. As a graduate student, her research focused on computational modeling of enzymes involved in drug synthesis. Christina was also a founding member of the Stanford chemistry department’s women’s committee on graduate life. She also graduated summa cum laude from the University of Kentucky with a Bachelor of Science degree in chemistry.

In her spare time, Christina enjoys running, gardening, Kentucky basketball, and watching her son play baseball.


In the Matter of Certain Sleep-Disordered Breathing Treatment Mask Systems and Components Thereof — Int’l Trade Comm’n Investigation Nos. 337-TA-1022 and 337-TA-1134 (I.T.C.). Represented complainant ResMed in investigation against New Zealand manufacturer Fisher & Paykel Healthcare concerning CPAP masks to treat sleep apnea.

In re Fresenius GranuFlo/NaturaLyte Dialysate Products Liability Litigation – (MDL No. 2428) – Represented Fresenius in product liability litigation relating to its GranuFlo dialysate product in federal court and state courts.

Dial v. Fresenius Medical Care Holdings, Inc.– C.A. No. 14-11101-DPW (D. Mass.)Defended Fresenius in four-week trial in which plaintiff alleged use of NaturaLyte liquid acid concentrate in hemodialysis treatment caused patient’s death; obtained defense verdict of no causation in March 2017.

Ogburn-Sisneros v. Fresenius Medical Care Holdings, Inc. – No. MICV2013-05050 (Mass. Sup. Ct.). Defended Fresenius in three-week trial in which plaintiff alleged use of GranuFlo granulated acid concentrate in hemodialysis treatment caused patient’s death; obtained defense verdict of no causation in December 2015.

Medigus Ltd. v. EndoChoice, Inc.(D. Del.) – Defended EndoChoice against Medigus’ assertion of a patent related to endoscopes.

EndoChoice, Inc. v. Medigus Ltd. and Medigus USA LLC(D. Del.) – Represented EndoChoice in enforcement of trademark rights related to endoscopy products.

Successfully represented a medical device client in a government investigation related to device manufacturing procedures.

St. Jude Medical v. Volcano Corp.(D. Del.) –Defended Volcano against St. Jude’s assertion of a patent related to cardiac guidewire consoles. Case resulted in settlement favorable to client.

St. Jude Medical v. Volcano Corp.(D. Del.) – Defended Volcano in patent litigation and jury trial related to pressure sensing guide wires used to diagnose heart problems. At trial, jury found two St. Jude patents invalid, two not infringed; a fifth patent was declared not infringed by the court on the eve of trial.


"Dr. Brown-Marshall is a flat-out genius." - Client comment, as reported by BTI

"She exceeds everyone's expectations and delivers exceptional service." - Client comment, as reported by BTI

Pro bono activities

  • Christina volunteers with Kids In Need of Defense (KIND) to represent unaccompanied children in immigration proceedings. She has successfully guided two children through the process of obtaining Special Immigrant Juvenile Status and is working to obtain legal residency for them.