Su represents clients in technology industries in a broad variety of litigation matters, with a focus on patent litigation. She has assisted on cases pending in federal district courts and the International Trade commission. Su also assisted on advising clients on federal government contract compliance. In addition, she has an active pro bono practice helping indigent individuals with their legal needs.

She represents companies ranging from startups to large corporations covering a broad range of technologies, including speech recognition software, e-commerce, streaming services, and consumer products.

Prior to joining Fenwick, Su was a legal intern at the FTC and a summer associate at an Am Law 100 firm, where her practice focused on patent and commercial litigation.