Experience

Horizon Therapeutics to Be Acquired by Amgen for Approximately $28 Billion

December 20, 2022

A Cooley team advised Horizon Therapeutics, a specialty biopharmaceutical company, on its agreement to be acquired by Amgen. The approximately $28 billion merger would represent the third-largest all-cash transaction in the pharmaceutical sector in history and the biggest healthcare deal of 2022.

 

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Barbara Borden
Senior Counsel, San Diego
Rama Padmanabhan
Partner, San Diego
Rowook Park
Partner, San Diego
Kelly Murata
Paralegal Specialist, San Francisco
Michael Tollini
Partner, Washington, DC
Todd Gluth
Partner, San Diego
Lindsey O'Crump
Associate, Washington, DC
Edmond Lay
Partner, San Diego
Peter Adams
Partner, San Diego
Dr. Fraser Brown
Partner, Washington, DC
Ross Eberly
Partner, Santa Monica
Patrick Van Eecke
Partner, Brussels
David Fletcher
Partner, Washington, DC
Caroline Hobson
Partner, London
Christopher Kimball
Partner, Washington, DC
Mischi a Marca
Partner, San Francisco
Chadwick Mills
Partner, San Francisco
Phil Mitchell
Partner, New York
Alessandra Murata
Partner, Palo Alto
John Paul Oleksiuk
Partner, New York
Michelle Garcia Schulman
Partner, Reston
Charity Williams
Partner, San Diego
David Burns
Special Counsel, Washington, DC
Sharon Connaughton
Special Counsel, Washington, DC
Christine Graham
Special Counsel, London
Natasha Leskovsek
Of Counsel, Washington, DC
Rebecca Ross
Special Counsel, Washington, DC
Stella Sarma
Partner, Brussels
Karen Tsai
Special Counsel, Washington, DC
Karun Ahuja
Special Counsel, Chicago
Wade Andrews
Special Counsel, San Diego
Anna Caro
Associate, London
Umer Chaudhry
Associate, Washington, DC
Megan Drill
Associate, San Diego
Michael Fernando
Associate, London
Zack Gong
Associate, Shanghai
Ellie Seber
Partner, Santa Monica
Justin Kisner
Special Counsel, Palo Alto
Jessica Koffel
Special Counsel, Brussels
Allison Kutner
Associate, New York
Katie Adams
Associate, Reston
Dani Nazemian
Special Counsel, San Diego
Linh Nguyen
Associate, San Diego
Allison Wettstein O’Neill
Associate, San Diego
Alexandra Paterson
Associate, London
Addison Pierce
Partner, Chicago
Bartholomäus Regenhardt
Associate, Brussels
Grant Schweikert
Special Counsel, Washington, DC
Nathaniel Hearn Jr.
Associate, Chicago
Megan Browdie
Partner, Washington, DC

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Datadog Acquires Eppo

May 7, 2025

Cooley advised Datadog (Nasdaq: DDOG), a monitoring and security platform for cloud applications, on its acquisition of Eppo, a feature flagging and experimentation platform that will tightly integrate with Datadog’s existing product analytics suite.

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Izzy Lubarsky
Partner, New York
Grigor Lynch
Associate, Colorado
Brittany Sanok
Associate, New York
Eileen Marshall
Partner, Washington, DC
Austin Holt
Partner, Santa Monica
Barbara Mirza
Partner, Santa Monica
Len Jacoby
Partner, New York
Ross Eberly
Partner, Santa Monica
Kristen Mathews
Partner, New York
Megan Browdie
Partner, Washington, DC
Brad Goldberg
Partner, New York
Stella Sarma
Partner, Brussels
Leo Spicer-Phelps
Partner, London
Mark Windfeld-Hansen
Senior Counsel, Palo Alto
Stacey A. Bradford
Special Counsel, Washington, DC
Julia R. Brinton
Special Counsel, Washington, DC
Dillon Martinson
Special Counsel, Washington, DC
Karen Tsai
Special Counsel, Washington, DC
Ryan Bowers
Associate, Washington, DC
David Dalton
Associate, Santa Monica
Cristina DeBiase
Associate, Boston
Megan Drill
Associate, San Diego
Joshua Elefant
Associate, Palo Alto
Nathaniel Hearn Jr.
Associate, Chicago
Allison Kutner
Associate, New York
Edward McLaughlin
Associate, New York
Anisha Mohin
Associate, New York
Juan Nascimbene
Associate, London
Liz Paisner
Associate, New York
Shelby Saunders
Associate, New York
Patricia Myers
Paralegal Specialist, Colorado
Brian Mitchell
Transactional Quantitative Analyst, San Diego

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Chimerix Announces Acquisition by Jazz Pharmaceuticals for $935 Million

March 5, 2025

Cooley advised Chimerix (Nasdaq: CMRX), a biopharmaceutical company with a mission to develop medicines that meaningfully improve and extend the lives of patients facing deadly diseases, on its definitive agreement to be acquired by Jazz Pharmaceuticals (Nasdaq: JAZZ) for $8.55 per share in cash – totaling approximately $935 million.

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Jason Kent
Partner, New York
Kevin Cooper
Partner, New York
Nathan Baum
Special Counsel, New York
Jamie Leigh
Partner, San Francisco
Izzy Lubarsky
Partner, New York
Susan Choy
Associate, New York
Charlotte Yin
Associate, New York
Angela Kim
Associate, New York
Jane Adams
Partner, San Diego
Christophe Beauduin
Partner, New York
Ross Eberly
Partner, Santa Monica
Stella Sarma
Partner, Brussels
Megan Arthur Schilling
Partner, San Diego
Natasha Leskovsek
Of Counsel, Washington, DC
Juliana Finley
Associate, Santa Monica
Elizabeth Galvin
Associate, Boston
Carly E. Gibbons
Associate, Chicago
Nathaniel Hearn Jr.
Associate, Chicago
Calvin Lee
Associate, New York
Joseph Perry
Associate, Reston
Greg Reith
Associate, Washington, DC
Freddy Yip
Associate, Hong Kong
Drue Anne Koons
Paralegal Specialist, San Diego

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Egnyte Announces Majority Investment From GI Partners and TA Associates

February 25, 2025

Cooley advised Egnyte, a provider of secure content collaboration and governance solutions, on its strategic growth investment from GI Partners and TA Associates.

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Eric Jensen
Senior Counsel, Palo Alto
Sepideh Mousakhani
Partner, Palo Alto
Anne Lieberman
Partner, Santa Monica
Steve Tonsfeldt
Partner, Palo Alto
Kealan Santistevan
Associate, Palo Alto
Sangitha Palaniappa
Associate, Palo Alto
Michael Bergmann
Partner, Washington, DC
Brett De Jarnette
Partner, Palo Alto
Patrick Flanagan
Partner, New York
Todd Gluth
Partner, San Diego
Tracy Rubin
Partner, Palo Alto
Stella Sarma
Partner, Brussels
Timothy Shapiro
Partner, Palo Alto
David Silverman
Partner, New York
Ryan Vann
Partner, Chicago
Summer Wynn
Partner, San Diego
Howard Morse
Senior Counsel, Washington, DC
Sharon Connaughton
Special Counsel, Washington, DC
Rebecca Ross
Special Counsel, Washington, DC
Karen Tsai
Special Counsel, Washington, DC
Nathan Alamillo
Associate, Santa Monica
Caitlin Breitenbruck
Associate, Seattle
Norma Chayo Dichi
Associate, Washington, DC
Queenie Chen
Associate, Palo Alto
Nikki Chang DiFederico
Associate, Palo Alto
Megan Drill
Associate, San Diego
Jeremy M. Exelbert
Associate, New York
Nathaniel Hearn Jr.
Associate, Chicago
Vicky Kandabarow
Associate, Washington, DC
Nicollette R. Kirby
Associate, Washington, DC
Allison Kutner
Associate, New York
Alexandra Leavy
Associate, New York
Emily Lee
Associate, Palo Alto
Narmada Murugan
Associate, Palo Alto
Michael Pelle
Associate, New York
Katie Stevens
Associate, Palo Alto
Rubin Waranch
Associate, Colorado
Kevin Gurley
Quantitative Analyst, New York
Brian Mitchell
Transactional Quantitative Analyst, San Diego

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Tempus Announces $600 Million Acquisition of Ambry Genetics

November 4, 2024

Cooley advised Tempus AI (Nasdaq: TEM), a technology company advancing precision medicine through the practical application of artificial intelligence in healthcare, on its agreement to acquire Ambry Genetics, a company focusing on genetic testing that aims to improve health by understanding the relationship between genetics and disease.

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Erin J. Kirchner
Partner, Chicago
Richard E. Ginsberg
Partner, Chicago
Christina T. Roupas
Partner in Charge – Chicago, Chicago
Courtney M.W. Tygesson
Partner, Chicago
Michael Tollini
Partner, Washington, DC
Lindsey O'Crump
Associate, Washington, DC
Addison Pierce
Partner, Chicago
Ariane A. Andrade
Partner, Chicago
Steve Flores
Partner, Chicago
Todd Gluth
Partner, San Diego
Christopher Kimball
Partner, Washington, DC
Phil Mitchell
Partner, New York
Howard Morse
Senior Counsel, Washington, DC
Sonia Nath
Partner, Washington, DC
Nyron J. Persaud
Partner, New York
Aaron Pomeroy
Partner, Colorado
Dr. Madhuri Roy
Partner, Palo Alto
Michelle Garcia Schulman
Partner, Reston
Rachel Thorn
Of counsel, New York
Ryan Vann
Partner, Chicago
Susan Piascik Christoff
Special Counsel, Washington, DC
Son Nguyen
Special Counsel, Washington, DC
Randy Sabett
Special Counsel, Washington, DC
Stella Sarma
Partner, Brussels
Grant Schweikert
Special Counsel, Washington, DC
Karen Tsai
Special Counsel, Washington, DC
Xander Lee
Partner, Santa Monica
Mateus Kaba Aboud
Associate, Chicago
Karun Ahuja
Special Counsel, Chicago
Tiffany Allen
Associate, Palo Alto
Umer Chaudhry
Associate, Washington, DC
Adrienne Beaudoin Deshmukh
Associate, Reston
Mari Dugas
Associate, Washington, DC
Carly E. Gibbons
Associate, Chicago
Jose Luis Gonzalez
Associate, Palo Alto
Charles Haley
Partner, Palo Alto
Kelley Harrington
Associate, Chicago
Nathaniel Hearn Jr.
Associate, Chicago
Kyle Hess
Associate, New York
Cameron Irwin
Associate, Chicago
Rick Jantz
Associate, Santa Monica
Patrick O. Johnson
Associate, Boston
David H. Zhou
Associate, Palo Alto

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