Katharine P. Moir

Partner at Simpson Thacher & Bartlett LLP

Katharine P. Moir

Katharine P. Moir

Partner at Simpson Thacher & Bartlett LLP

Biography

Katharine Moir heads the Tax Practice in Simpson Thacher’s Palo Alto office, providing clients with tax advice in a broad range of transactions, including mergers, acquisitions, joint ventures, formation of private investment funds, and securities offerings. Katharine’s clients include private equity firms such as Hellman & Friedman, Silver Lake Partners, KKR, and Warburg Pincus, as well as leading technology companies such as Alibaba, Dell, and Microsoft.

Katharine was the lead tax partner for the following transactions:

* Dell in its $67 billion acquisition of EMC, the largest technology deal to date
* Hellman & Friedman in its acquisition of MultiPlan
* Silver Lake Partners and GIC in their $2.6 billion strategic investment in Ancestry.com
* KKR in its $1.2 billion sale of Alliance Tire Group to Yokohama Rubber
* Alibaba Group in its going private acquisition of Youku Tudou
* Interactive Data Corporation in its $5.2 billion acquisition by Intercontinental Exchange
* Microsoft Corporation in its $19.75 billion debt offering
* Silver Lake in the establishment of Silver Lake Partners IV, L.P., with $10.3 billion in total commitments, the largest amount ever raised for a technology investment-focused private equity fund
* Yahoo! in its acquisition of Tumblr

Katharine is recognized as a leading tax lawyer by Chambers USA: America’s Leading Lawyers for Business, which noted “She is acclaimed as very knowledgeable and easy to work with. She understands what the client wants, and is practical at getting a deal done.” Recent speaking engagements have included Practising Law Institute’s “Tax Planning for Domestic & Foreign Partnerships, LLCs, Joint Ventures & Other Strategic Alliances” and the TEI-San Jose State High Tech Tax Institute’s “What’s New in High Tech Mergers and Acquisitions.”

Katharine received her B.A. with honors from Princeton University in 1992 and her J.D. with honors from the University of Chicago in 1996, where she was elected to the Order of the Coif. She is admitted to practice in California, New York and Illinois.

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Partner at Simpson Thacher & Bartlett LLP

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Katharine P. Moir
Partner at Simpson Thacher & Bartlett LLP
Education
JD with Honors, Order of the Coif
Class of 1996
BA with Honors
Class of 1992
Memberships
Member
1994 - 1996

The University of Chicago Law Review first appeared in 1933, thirty-one years after the Law School offered its first classes. Joseph Beale, the first Dean of the Law School, and William Rainey Harper, the first President of the University, had wanted to establish a law review sooner. The reasons for the delay, according to a letter of Professor James Parker Hall, included the small size of the faculty, the work accompanying the organization and early operations of the school, and, most importantly, the cost of publication. By the time 1 U Chi L Rev appeared in 1933, law reviews had already earned an influential place in American jurisprudence. The Supreme Court first cited a law review article in 1917. See Adams v Tanner, 224 US 590, 606, 613 (1917) (Brandeis dissenting), citing The American Labor Legislation Review. Student members of Volume One included Edward Levi, Stanley Kaplan, and Abraham Ribicoff. Authors of articles appearing in Volume One included William O. Douglas, Charles E. Clark, Charles O. Robory, Robert Hutchins, Joseph Beale, and E.W. Hinton. Over the next eight years, the Law Review grew in stature. Contributing authors included Bigelow, Pound, Wigmore, Kalven, and Williston. Student members included Bernard Meltzer, Harry Kalven, Albert Ehrenzweig, and Wally Blum, about whom it is said that, as Editor-in-Chief, he edited the Law Review at Jimmy's, beer in hand. Volume Ten marked the entry of the United States into World War II. A staff of just two students produced the first issue; with the fourth issue, the faculty assumed editorship. Volumes Ten through Thirteen, without much student work, averaged under 500 pages. After the war, the Law Review returned to the students. Since then the Law Review has continued to serve as a forum for the expression of ideas of leading professors, judges, and practitioners, as well as students, and as a training ground for University of Chicago Law School students. Prominent former members include Judge Abner Mikva and Provost Geoffrey Stone (both Editors-in-Chief); Judges Frank Easterbrook, Douglas Ginsburg, Danny Boggs, David Tatel, Michael McConnell, and Robert Bork; Senator Amy Klobuchar; and Professors Marvin Chirelstein, Daniel Fischel, Lawrence Friedman, Mary Ann Glendon, Randal Picker, Dale Carpenter, Ward Farnsworth, and M. Todd Henderson. The list of authors published includes Supreme Court Justices Brennan, Clark, Douglas, Frankfurter, Scalia, and Stevens; Judges Bazelon, Breitel, Frank, Friendly, Posner, Wald, Weinstein, Williams, Winter, and Wright; Justice Roger Traynor of the California Supreme Court; and Professors Ackerman, Calabresi, Dworkin, Hart, Llewellyn, Rawls, Wigmore, Williston, and Brainerd Currie, to mention only a few names from the list of illustrious scholars. The Law Review has even published an Article by J. Edgar Hoover.

Career History
Partner
Current

Simpson Thacher & Bartlett LLP provides legal services. Established in 1884, the firm provides coordinated legal advice on corporate transactions and litigation matters in industries which include financial services, insurance, power and natural resources, consumer products, services, technology, telecommunications, media, pharmaceuticals and healthcare industries. Cross-border finance, banking and bank regulation, mergers and acquisitions, securities issuance and regulation, project and asset based finance, real estate, asset management, joint ventures, taxation, litigation and dispute resolution are important aspects of the firm's practice.

Political Donations
Transactions
Details Hidden

Infineon Technologies AG purchases Cypress Semiconductor Corporation

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TPG Capital, LP, Hellman & Friedman LLC purchase Checkmarx Ltd. from Insight Venture Partners

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Noritsu Koki Co., Ltd. purchases Pioneer DJ Corp. from Pioneer Corp., Kohlberg Kravis Roberts & Co. LP

Awards & Honors
2002
Admitted to the California Bar
1998
Admitted to the New York Bar
1996
Admitted to the Illinois Bar
Other Affiliations

Katharine P. Moir is affiliated with Simpson Thacher & Bartlett LLP

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