Experience

Cooley Advises Investor Syndicate on $2.25 Billion Acquisition of HistoSonics

August 7, 2025

Cooley advised a syndicate of globally recognized private and public investors in connection with the management-led majority stake acquisition of HistoSonics, the developer of the Edison Histotripsy System and novel histotripsy therapy platform, valuing the company at approximately $2.25 billion.

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Patrick Loofbourrow
Partner, Singapore
Bram G. Couvreur
Partner, Santa Monica
Rama Padmanabhan
Partner, San Diego
Jenny Ge
Associate, Santa Monica
Nick Kenyon
Associate, Boston
Josh Himmelstern
Associate, San Diego
Joanna Zhang
Associate, San Diego
Megan Browdie
Partner, Washington, DC
Sharon Connaughton
Special Counsel, Washington, DC
Stephanie Gentile
Partner, New York
Alessandra Murata
Partner, Palo Alto
Mark Cornillez-Ty
Associate, Los Angeles
Michael Pelle
Associate, New York
Orion Armon
Partner, Colorado
Alexis Finkelberg Bortniker
Partner, San Diego
Ross Eberly
Partner, Santa Monica
Charles Haley
Partner, Palo Alto
Joanna Liebes Hubberts
Partner, San Diego
Christopher Kimball
Partner, Washington, DC
John Paul Oleksiuk
Partner, New York
Stella Sarma
Partner, Brussels
Ellie Seber
Partner, Santa Monica
Erin Trenda
Partner, San Diego
Charity Williams
Partner, San Diego
Mark Windfeld-Hansen
Senior Counsel, Palo Alto
Bryan Berman
Special Counsel, Colorado
Andrew Epstein
Special Counsel, Seattle
Robert Jacques
Special Counsel, Washington, DC
Christian Lee
Special Counsel, San Francisco
Son Nguyen
Special Counsel, Washington, DC
Karen Tsai
Special Counsel, Washington, DC
Stefan Cohen
Associate, New York
Sharon Davidov
Associate, New York
Jameson Davis
Associate, Boston
Michael Fernando
Associate, London
Allison Kutner
Associate, New York
Alexandra Leavy
Associate, New York
Eileen Leman
Associate, Los Angeles
Sunny J. Levine
Associate, Colorado
Edward (Teddy) Nimetz
Associate, New York
Emma Plankey
Associate, Boston
Breanna Qin
Associate, Palo Alto
Shu-en Wee
Associate, Singapore
Asal Yunusov
Associate, New York
Lisa Amii
Patent Agent, Palo Alto
Anna Anderson
Paralegal Specialist, London
Patricia Myers
Paralegal Specialist, Colorado
Gayana Stokes
Senior Paralegal, Washington, DC
Katie Kissner
Quantitative Analyst, San Francisco
Daniel Grooms
Partner, Washington, DC

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Y-mAbs Therapeutics Agrees to Acquisition by SERB Pharmaceuticals

August 5, 2025

Cooley advised Y-mAbs Therapeutics, a commercial-stage biopharmaceutical company focused on the development and commercialization of antibody-based therapeutics for the treatment of cancer, on its definitive merger agreement with SERB Pharmaceuticals. Under the agreement, SERB will acquire Y-mAbs, including its lead commercial oncology asset, DANYELZA, in an all-cash transaction representing an equity value of approximately $412 million.

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Bill Sorabella
Partner, New York
Bill Roegge
Partner, New York
Div Gupta
Partner, New York
Sarah Sellers
Partner, New York
Christophe Beauduin
Partner, New York
Megan Browdie
Partner, Washington, DC
Brad Goldberg
Partner, New York
Christopher Kimball
Partner, Washington, DC
Eileen Marshall
Partner, Washington, DC
Darah Protas
Partner, Washington, DC
Natasha Leskovsek
Of Counsel, Washington, DC
Julia Kim
Special Counsel, New York
Justin Kisner
Special Counsel, San Diego
MaryBeth Shreiner
Special Counsel, Reston
Karen Tsai
Special Counsel, Washington, DC
Amanda Weiss
Special Counsel, New York
Rajdeep Roger Bains
Associate, San Diego
Dayne Brown
Associate, New York
Norma Chayo Dichi
Associate, Washington, DC
Sharon Davidov
Associate, New York
Athina Gaki
Associate, Brussels
Kyle Hess
Associate, New York
Katie Kaufman
Associate, Boston
Nicollette R. Kirby
Associate, Washington, DC
Christopher Nickas
Associate, New York
Arda Can Tekin
Associate, New York
Shaun (Tianjie) Wang
Associate, New York

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Shoulder Innovations Announces $75 Million IPO

July 31, 2025

Cooley advised the underwriters of Shoulder Innovations, a medical technology company exclusively focused on transforming the shoulder surgical care market, in connection with Shoulder Innovations’ $75 million initial public offering (IPO).

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Denny Won
Partner, San Francisco
Charlie Kim
Partner, San Diego
Kristin VanderPas
Partner, San Francisco
David Peinsipp
Partner, San Francisco
Xander Lee
Partner, Santa Monica
Barbara Mirza
Partner, Santa Monica
Phil Mitchell
Partner, New York
Scott Weston
Partner, Boston
Kassity L. Mai
Special Counsel, Reston
Randy Sabett
Special Counsel, Washington, DC
Karen Tsai
Special Counsel, Washington, DC
Valerie Sapozhnikova
Associate, Los Angeles
Alex Hammer
Associate, San Francisco
Allison Kutner
Associate, New York
Sunny J. Levine
Associate, Colorado
Ryan Lewis
Associate, Colorado
Sarah Miller
Associate, New York
Marjorie O'Neill
Associate, San Francisco
Amanda Pacheco
Associate, Palo Alto

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Leads Biolabs Announces HK$1.29 Billion IPO

July 25, 2025

Cooley advised Nanjing Leads Biolabs Co. (Leads Biolabs), a clinical-stage biotechnology company that discovers, develops and commercializes new therapies in oncology, autoimmune and other severe diseases, on its HK$1.29 billion initial public offering (IPO).

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Michael Yu
Partner in Charge – Hong Kong, Hong Kong
Yiming Liu
Partner in Charge – Shanghai, Shanghai
Kaiting Yang
Counsel, Hong Kong
Yiying Wang
Counsel, Shanghai
Yunxiang Xu
Associate, Shanghai
Brian Lau
Associate, Hong Kong
Alex Wu
Associate, Shanghai
Daniel Zheng
Associate, Shanghai
Zhengyang Li
International Legal Project Manager, Hong Kong
Cindy Pan
International Legal Project Manager, Hong Kong
Zoe Wang
International Legal Project Manager, Shanghai
Xander Lee
Partner, Santa Monica
Francis Wheeler
Senior Counsel, Colorado
Mark Windfeld-Hansen
Senior Counsel, Palo Alto
Vince Sampson
Special Counsel, Washington, DC
Karen Tsai
Special Counsel, Washington, DC

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Inmagene Biopharmaceuticals Completes Merger With Ikena Oncology [UPDATED]

July 25, 2025

Cooley advised Inmagene Biopharmaceuticals, a privately held, global clinical-stage biotechnology company developing novel therapeutics for immunological and inflammatory diseases, on its definitive merger agreement with Ikena Oncology (Nasdaq: IKNA).

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Related contacts

Lila Hope
Partner, Palo Alto
Rama Padmanabhan
Partner, San Diego
Patrick Loofbourrow
Partner, Singapore
Asa Henin
Partner, San Diego
Lindsey O'Crump
Associate, Washington, DC
Brittany K. Wightman
Associate, San Diego
Jiqiang Lin
Associate, New York
Leina Verrier
Associate, Santa Monica
Ross Eberly
Partner, Santa Monica
Stephanie Gentile
Partner, New York
Christopher Kimball
Partner, Washington, DC
Xander Lee
Partner, Santa Monica
Phil Mitchell
Partner, New York
Howard Morse
Senior Counsel, Washington, DC
Alessandra Murata
Partner, Palo Alto
Jean Park
Partner, New York
Aaron Pomeroy
Partner, Colorado
Michelle Garcia Schulman
Partner, Reston
Ellie Seber
Partner, Santa Monica
Marty Schenker
Senior Counsel , San Francisco
Mark Windfeld-Hansen
Senior Counsel, Palo Alto
Andrew Epstein
Special Counsel, Seattle
Stella Sarma
Partner, Brussels
Karen Tsai
Special Counsel, Washington, DC
Bin Wang
Special Counsel, Palo Alto
Robert Eisenbach
Of Counsel, San Francisco
Rajdeep Roger Bains
Associate, San Diego
Julia R. Brinton
Special Counsel, Washington, DC
Adrienne Beaudoin Deshmukh
Associate, Reston
Jeremy M. Exelbert
Associate, New York
Zack Gong
Associate, Shanghai
Rick Jantz
Associate, Santa Monica
Wyatt Kernell
Associate, Colorado
Rebeca Kinslow
Associate, San Diego
Hilda Li
Associate, Hong Kong
Lunga Su
Associate, Shanghai
Novak Topalovic
Associate, San Diego
Tania Soris
Associate, New York
Monica Xu
Special Counsel, Shanghai
Sai Yarramalla
Associate, Palo Alto
Andy Zachrich
Associate, San Francisco
Patricia Myers
Paralegal Specialist, Colorado
Jake Ironfield
Transactional Quantitative Analyst, New York

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The Legal 500 US: Customs, Export Controls and Economic Sanctions (2024 – 2025)