Experience

Philochem AG Announces up to $1.35 Billion License Agreement With RayzeBio

June 10, 2025

Cooley advised Philochem AG, a wholly owned subsidiary of the Philogen Group (Milan Stock Exchange: PHIL), on its definitive license agreement with RayzeBio, a wholly owned subsidiary of Bristol Myers Squibb (NYSE: BMY), granting RayzeBio exclusive worldwide rights to develop, manufacture and commercialize OncoACP3, a clinical-stage therapeutic and diagnostic agent targeting prostate cancer.

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Related contacts

Kenneth Krisko
Partner, Reston
Joe Sandys
Special Counsel, London
Alexandra Paterson
Associate, London
Joseph Perry
Associate, Reston
J. Brian Stalter
Special Counsel, New York
Aaron Pomeroy
Partner, Colorado
Amanda Pacheco
Associate, Palo Alto
David Burns
Special Counsel, Washington, DC
Megan Browdie
Partner, Washington, DC
Natasha Leskovsek
Of Counsel, Washington, DC
Ann Bevitt
Partner, London
Rachel Thorn
Of counsel, New York
Dr. Jon Cousin
Partner, Washington, DC

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EsoBiotec Announces up to $1 Billion Acquisition by AstraZeneca

March 17, 2025

Cooley advised EsoBiotec, a biotechnology company pioneering in vivo cell therapies that has demonstrated promising early clinical activity, on its definitive agreement to be acquired by AstraZeneca (London Stock Exchange/Nasdaq Stockholm/Nasdaq: AZN) for up to $1 billion on a cash- and debt-free basis.

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Rama Padmanabhan
Partner, San Diego
Rowook Park
Partner, San Diego
Charity Williams
Partner, San Diego
Simon Amies
Partner, London
Russell Anderson
Partner, London
Megan Browdie
Partner, Washington, DC
Ross Eberly
Partner, Santa Monica
Christopher Kimball
Partner, Washington, DC
Charlie Lightfoot
Partner, London
Alessandra Murata
Partner, Palo Alto
Guadalupe Sampedro
Partner, London
Stella Sarma
Partner, Brussels
Leo Spicer-Phelps
Partner, London
Nicola Squire
Partner, London
Chris Stack
Partner, London
Jeffrey J. Tolin
Partner, New York
David Wilson
Partner, London
Julia R. Brinton
Special Counsel, Washington, DC
Andrew Epstein
Special Counsel, Seattle
Jack Jones
Special Counsel, London
Dillon Martinson
Special Counsel, Washington, DC
Karen Tsai
Special Counsel, Washington, DC
Julie Wicklund
Special Counsel, Palo Alto
Natasha Leskovsek
Of Counsel, Washington, DC
Kafeel Azher
Associate, London
Sarah Buchik
Associate, New York
Mari Dugas
Associate, Washington, DC
Michael Fernando
Associate, London
Athina Gaki
Associate, Brussels
Elaine Huang
Associate, Palo Alto
Mark Jones
Associate, London
Eerik Kukebal
Associate, London
Chris Lynn
Associate, London
Morgan McCormack
Associate, London
Daniel Millard
Associate, London
Lindsey O'Crump
Associate, Washington, DC
Alexandra Paterson
Associate, London
Zhijing Yu
Associate, Singapore
Kevin Gurley
Quantitative Analyst, New York

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Araris Biotech’s up to $1.14 Billion Acquisition by Taiho Pharmaceutical

March 17, 2025

Cooley advised Araris Biotech, a Swiss biotechnology company developing next-generation antibody-drug conjugates, on its definitive agreement to be acquired by Japan-based Taiho Pharmaceutical for up to $1.14 billion in cash.

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Related contacts

Bill Roegge
Partner, New York
Kenneth Krisko
Partner, Reston
Simon Amies
Partner, London
Rita Sobral
Special Counsel, London
Stephanie Parker Palmer
Special Counsel, Reston
Michael Bergmann
Partner, Washington, DC
Brandon W. Fenn
Partner, New York
Eileen Marshall
Partner, Washington, DC
Jeremy Morrison
Partner, Washington, DC
Stella Sarma
Partner, Brussels
Ryan Vann
Partner, Chicago
Natasha Leskovsek
Of Counsel, Washington, DC
Matthew Choy
Associate, New York
Kyle Hess
Associate, New York
Katie Kaufman
Associate, Boston
Edward (Teddy) Nimetz
Associate, New York
Alexandra Paterson
Associate, London
Joseph Perry
Associate, Reston

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Hummingbird Bioscience Announces Exclusive Worldwide License Agreement With Callio Therapeutics

March 3, 2025

Cooley advised Hummingbird Bioscience, a Singapore-based biotherapeutics company working at the interface of artificial intelligence and human innovation to discover and develop transformative medicines for hard-to-treat diseases, on its exclusive worldwide license agreement with Callio Therapeutics, a newly launched biotech company focused on realizing the promise of multipayload antibody-drug conjugates (ADCs) to improve cancer therapy.

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Related contacts

James Schneider
Partner, Boston
Jeffrey J. Tolin
Partner, New York
Steven Holm
Associate, Singapore
Michael Fernando
Associate, London
Michael Bergmann
Partner, Washington, DC
Paula Holland
Partner, London
Nicola Squire
Partner, London
Yi Jia Ng
Special Counsel, Singapore
Bethan Chalmers
Associate, London
Amanda Pacheco
Associate, Palo Alto
Alexandra Paterson
Associate, London
Mara Rosario
Associate, Boston
Arda Can Tekin
Associate, New York

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Beta Bionics Announces Upsized $234.6 Million IPO, Concurrent $17 Million Private Placement

January 31, 2025

Cooley represented Beta Bionics, a pioneering leader in the development of advanced diabetes management solutions, in its $234.6 million initial public offering and concurrent $17 million private placement.

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Related contacts

Carlos Ramirez
Partner, San Diego
Mark Weeks
Partner, Palo Alto
Charlie Kim
Partner, San Diego
Christine S. Kim
Associate, San Diego
Heidi E. Wang
Associate, San Diego
Alexis Guillermo Buz
Associate, San Diego
Joanna Zhang
Associate, San Diego
Jessica Wade
Paralegal Specialist, San Diego
Natasha Leskovsek
Of Counsel, Washington, DC
Phil Mitchell
Partner, New York
Sarah Miller
Associate, New York
Jessica Koffel
Special Counsel, Brussels
Thomas Welk
Senior Counsel, San Diego
Dani Nazemian
Special Counsel, San Diego
Ross Eberly
Partner, Santa Monica
Joanna Liebes Hubberts
Partner, San Diego
Chen Chen
Special Counsel, Palo Alto
Alexandra Paterson
Associate, London
Mark Windfeld-Hansen
Senior Counsel, Palo Alto
Stephanie Gentile
Partner, New York
Calvin Lee
Associate, New York
Michael Egan
Partner, Washington, DC
Tania Soris
Associate, New York
Rebecca Ross
Special Counsel, Washington, DC
Francis Wheeler
Senior Counsel, Colorado

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