Limin Zheng is a Principal in the Silicon Valley office of Fish & Richardson P.C. Her practice emphasizes patent and other complex technology litigation and spans a broad range of technologies, with a focus on biotechnology, biotherapeutics, and medical devices. She also serves as a mediator on the ADR Neutral panel of the United States District Court for the Northern District of California. Before starting her legal career, Dr. Zheng studied and conducted research in molecular and developmental biology as a Ph.D. candidate at University of Pittsburgh, Department of Biological Sciences, and as a postdoc at Professor Matthew Scott’s lab at Stanford University, School of Medicine, Department of Developmental Biology.
Dr. Zheng previously served as legal externs to the Honorable Claudia Wilken and Honorable D. Lowell Jensen, United States District Court for the Northern District of California.
Unither Pharma, Inc. et al. v. Daily Wellness et al.; Herbalife International, Inc. v. Unither Pharma, Inc. – (N.D. Cal.) Represented Unither Pharma, Stanford University, and New York Medical College in enforcing patents relating to the use of L-arginine to provide beneficial cardiovascular effects. Case settled.
Kyphon Inc. v. Disc-O-Tech Medical Technologies Ltd. et al. – (D. Del.) Represented Kyphon in enforcing patents relating to kyphoplasty, a minimally invasive spine procedure for treating vertebral compression fractures. Case settled after jury found that Defendants infringed Kyphon’s patents.
Fresenius Medical Care Holdings, Inc. et al. v. Baxter International, Inc. et al. – (N.D. Cal.) Represented Fresenius Medical Care Holdings, Inc. and Fresenius USA, Inc. in a declaratory judgment patent non-infringement and invalidity action against Baxter involving hemodialysis systems. Obtained jury verdict that all claims at issue were invalid.
Massachusetts Institute of Technology et al. v. ImClone Systems, Inc. – (D. Mass.) Represented Repligen Corporation and MIT in enforcing a patent related to technology for genetically engineering mammalian cells for enhanced production of valuable proteins. Case settled.
Sandu et al. v. Medtronic Sofamor Danek, Inc. et al. – (W.D. Tenn.) Represented Kyphon Inc. in enforcing Kyphon’s patents relating to kyphoplasty, a minimally invasive spine procedure for treating vertebral compression fractures, and represented Dr. Sandu in the same suit for inventorship and trade secret misappropriation claims against Medtronic. Case settled after Medtronic acquired Kyphon.
Repligen Corp. et al. v. Bristol-Myers Squibb Company – (E.D. Tx.) Represented Repligen and University of Michigan in enforcing a patent related to treating rheumatoid arthritis. Case settled.
Boston Scientific Corporation v. Medtronic Vascular, Inc. et al. – (N.D. Cal.) Represented Plaintiff-Intervenor Boston Scientific Corporation in a declaratory judgment action against Medtronic and evYsio Medical Devices ULC. The patents at issue related to cardiovascular stents. Case settled.
Baxter Healthcare Corp. et al. v. Fresenius Medical Care Holdings, Inc. et al. – (N.D. Cal.) Defended Fresenius against Baxter and DEKA in a patent infringement suit involving peritoneal dialysis systems. Obtained jury verdict of non-infringement.
Other Litigation Examples
Blueberry Software v. Corel Corp. – (N.D. Cal.) Defended Corel against Blueberry Software in a copyright infringement suit involving text-filter software. Case settled.
U.S. Philips Corp. et al. v. MRT Tech., LLC et al. – (C.D. Cal.) Defended MRT Technology, LLC, Ritek Corporation, and officers of the companies against Philips in a patent infringement suit involving CD and DVD technologies. Case settled.
Ricoh Company, Ltd. v. CMC Magnetics Corp. et al. – (N.D. Cal.) Defended CMC Magnetics Corp., Hotan Corporation, and KHypermedia Corporation against Ricoh in a patent infringement suit involving CD read-write technology. Case settled.
SEZ Holding AG et al. v. Applied Materials, Inc. – (D. Del.) Defended Applied Materials against SEZ in an inventorship dispute concerning patents related to semiconductor wafer cleaning technology. Case settled.
StorMedia Texas LLC v. Seagate Technology et al. – (E.D. Tx.) Defended Seagate Technology in a patent infringement suit relating to magnetic recording media. Case settled.
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