Sarah Kao-Yen Tsou - Partner

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Sarah Kao-Yen Tsou

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New York
Phone: +1 212-446-6435
Fax: +1 212-446-6460
Overview News

Professional Profile

Sarah Tsou is a partner in the Intellectual Property Practice Group of Kirkland’s New York office. Sarah focuses her practice on patent litigation in technological fields including oilfield services, power converters, medical devices, pharmaceuticals and system security. Sarah has examined fact and expert witnesses at trial, successfully argued motions in court, and been a member of numerous trial teams that have obtained favorable verdicts, judgments and settlements, both for plaintiff and defendant. Representative clients include Boston Scientific Corporation, Cisco, Forest Laboratories, IBM, Murata, Schlumberger and Tyco.

Representative Matters

Trial counsel for Murata in a patent infringement case brought by SynQor, Inc. seeking seeking tens of millions of dollars for Murata’s post-injunction, worldwide sales of power converter products in the United States District Court for the Eastern District of Texas.  After securing favorable rulings during summary judgment and pretrial proceedings, represented Murata in a four-day bench trial.  The District Court ruled in favor of Murata and SynQor has now appealed. 

Trial counsel for WesternGeco LLC in its assertion of patents relating to marine seismic exploration technology against ION Geophysical Corp. and Fugro-Geoteam in the United States District Court for the Southern District of Texas. After a four-week jury trial, obtained a $105.9 million verdict against ION and a finding by the jury that all four WesternGeco patents were valid and willfully infringed. This verdict received considerable press coverage, was featured in Am Law Daily and Law360, and was named by Texas Lawyer as the second highest Texas jury verdict in intellectual property in 2012.

Representing Schlumberger Technology Corporation in multiple patent infringement litigations and inter partes review proceedings before the United States Patent and Trademark Office involving land and marine oilfield services technology.

Represented Bath & Body Works in a declaratory judgment action in the United States District Court for the Southern District of New York against Summit Entertainment, the owner of the Twilight movie series, seeking a judgment that BBW’s Twilight Woods product line does not infringe Summit’s trademark rights.

Represented seven banks in multiple districts in a patent infringement litigation brought by Intellectual Ventures involving online banking and security technology.

Represented H. Lundbeck A/S and Forest Laboratories Inc. in patent infringement litigation brought against their LEXAPRO® and CELEXA® brand antidepressants in the United States District Court for the Southern District of New York.

Represented Boston Scientific Corporation in multiple patent infringement litigations regarding medical devices including cardiovascular stents and aortic aneurysm grafts.

Represented Tyco Healthcare Group LP in its patent infringement litigation regarding surgical trocar products in the United States District Court for the Eastern District of Texas.


Memberships & Affiliations

Member, Women’s Leadership Initiative Steering Committee

Member, New York Office Mentoring Committee

Member, New York Office Recruiting Committee

ALLSA Liaison, Kirkland & Ellis LLP Diversity Committee

Former Member, Kirkland & Ellis LLP New York Associates Committee


Other Distinctions

Recipient, Kirkland & Ellis LLP Pro Bono Service Award, 2008


Publications

Neuron Number in the Entorhinal Cortex and CA1 in Preclinical Alzheimer's Disease, Archives in Neurology, September 2001

Seminars

Presenter, International Association for the Protection of Intellectual Property of Japan – Tokyo, Japan, March 2014

Presenter, Japan Patent Attorneys Association (Kinki Branch) – Osaka, Japan, March 2014

7th Annual Penn Intellectual Property Group Symposium, Patent Law: the New, the Disruptive & the Debate, Participant in Oxford-Style debate regarding the Innovation Act moderated by Judge Kent A. Jordan of the United States Court of Appeals for the Third Circuit – March 2014


Courts

United States District Court for the Southern District of New York

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