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Louise C. Stoupe

Stoupe, Louise C.


Tokyo, 81 3 3214 6522


University of Auckland (LL.B., 1995)
University of Auckland (B.A., 1995)
University of Auckland (M.Com. Law., 1999)
Duke University School of Law (LL.M., 2000)

Bar Admissions

New Zealand
England & Wales
Japan (Gaikokuho-Jimu-Bengoshi)

Louise Stoupe is deputy chair of the firm’s Commercial Litigation and Trial Practice Group and a partner in the firm’s Intellectual Property Group. Ms. Stoupe’s practice is focused on intellectual property and international arbitration and litigation. She is a trial lawyer, recognized expert in e-discovery and international IP law and highly regarded counselor on IP issues to some of the largest technology companies in the world. Ms. Stoupe also specializes in international arbitration and was one of the primary drafters of Guam’s International Arbitration Law.

Ms. Stoupe has been recognized for her cutting-edge work for Japanese clients and in 2008 was the second youngest person on the “Top 50 Under 45” list published by IP Law & Business. Ms. Stoupe is ranked in the current editions of Chambers Global (2016) and Chambers Asia Pacific (2016) for Dispute Resolution. She is recommended by the 2015 edition of Legal 500 Asia Pacific for her intellectual property law expertise and by the 2016 edition of Legal 500 USA for trade secrets, and has been recognized by the Japan edition of Best Lawyers in the category of Intellectual Property since the 2010 edition.

Ms. Stoupe is licensed to practice law in California, England and Wales, and New Zealand.

Ms. Stoupe obtained her Bachelor of Arts and Bachelor of Laws (Honors) from the University of Auckland. While practicing commercial and international litigation in New Zealand, she obtained a Masters of Commercial Law (First Class Honors), graduating at the top of her class. In 1999, she was awarded the Fulbright Buddle Findlay Award to study for a Masters of Law at Duke University. Before moving to the Tokyo office in 2001, Ms. Stoupe was a member of the litigation department in the firm’s Palo Alto office.

Toshiba Corporation v. SK Hynix
(Multijurisdictional litigation). Represented Toshiba Corporation in its trade secret claim against SK Hynix. The suit sought damages for the wrongful acquisition and use of proprietary Toshiba information on NAND flash memory, which Toshiba pioneered in 1987. Pursuant to settlement, Toshiba received $278 million.
Certain Sintered Rare Earth Magnets, Methods of Making Same and Products Containing Same
(International Trade Commission, 337-TA-855). Represented Hitachi Metals, Ltd. in its investigation before the United States International Trade Commission (ITC) regarding infringement of certain Hitachi Metals U.S. patents by the sale into the United States of certain sintered Nd-Fe-B magnets. The case was originally brought against 29 respondents, including magnet manufacturers based in China.
American Motorists Insurance Co. v. The Club at Hokuli’a, Inc., et al.
(District of Hawaii). Represented Japan Airlines in complex litigation involving three court cases in Hawaiian federal and state courts related to failed property development on the Big Island in Hawaii. The dispute related to interpretation of bonds, development agreements and partnership law issues. This complex litigation involved seven parties in a multimillion-dollar property development being concurrently litigated in three cases.
Blue Spike, LLC v. NEC Corporation of America, et al.
(Eastern District of Texas) (consolidated with Blue Spike, LLC v. Texas Instruments, Inc.) (Eastern District of Texas). Represented NEC Corporation in patent litigation brought by Blue Spike, LLC concerning digital watermarking technology. Blue Spike initiated patent litigation in E.D. Texas against all the major players in the digital watermarking and fingerprinting technology area.
Prem Sales, Ltd. v. SANYO Electric Air Conditioning Co., Ltd., et al.
(Northern District of Texas). Successfully obtained the stay of a distributorship dispute in Texas federal court in favor of a JCAA arbitration on behalf of SANYO. SANYO later obtained a very favorable award from the JCAA tribunal.
Technology Patents LLC v. Deutsche Telekon, T-Mobile, et al.; SoftBank Mobile Corp SMS Patent Litigation
(District of Maryland). Obtained motion to dismiss for lack of personal jurisdiction in a patent infringement action filed by Technology Patents LLC in the District of Maryland accusing 131 defendants of infringing two patents relating to international paging systems. The complaint accused virtually every wireless service provider in the world of infringement by virtue of having entered into roaming agreements with U.S. wireless service providers that permit or facilitate sending or receiving text messages internationally. Our clients were two of the three largest wireless service providers in Japan.