Experience

CalypsoAI to Be Acquired by F5

September 17, 2025

Cooley advised CalypsoAI, an adaptive artificial intelligence security platform that empowers enterprises to innovate safely, on its acquisition by F5, a global leader in delivering and securing every app and application programming interface.

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Jon Gavenman
Partner, Palo Alto
Sepideh Mousakhani
Partner, Palo Alto
Kealan Santistevan
Associate, Palo Alto
Timothy Shapiro
Partner, Palo Alto
Caitlin Courtney
Partner, Palo Alto
Jeff Goldman
Special Counsel, Palo Alto
Alex Maki
Associate, Palo Alto
Sophie Bucci
Associate, Santa Monica
Calvin Lee
Associate, New York
David Fletcher
Partner, Washington, DC
Kevin King
Partner, Washington, DC
Bill Galliani
Senior Counsel, Palo Alto
Sharon Connaughton
Special Counsel, Washington, DC
Andrew Linch
Special Counsel, London
MaryBeth Shreiner
Special Counsel, Reston
Karen Tsai
Special Counsel, Washington, DC
Umer Chaudhry
Associate, Washington, DC
Tucker Cochenour
Associate, Palo Alto
Mark Cornillez-Ty
Associate, Los Angeles
Mari Dugas
Associate, Washington, DC
Joshua Elefant
Associate, Palo Alto
Rick Jantz
Associate, Santa Monica
Emily Mok
Associate, Reston
Michelle Peleg
Associate, San Francisco
Anna Anderson
Paralegal Specialist, London
Patrick O. Johnson
Associate, Boston
Jake Ironfield
Transactional Quantitative Analyst, New York

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1WorldSync Acquired by Syndigo

September 3, 2025

Cooley advised 1WorldSync, a leader in product content orchestration, on its acquisition by Syndigo, creating a $3.5 billion+ enterprise backed by Summit Partners, TJC LP and Battery Ventures.

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Alfred Browne
Partner, Boston
Izzy Lubarsky
Partner, New York
Megan Browdie
Partner, Washington, DC
William Corcoran
Of Counsel, Boston
Ryan Montgomery
Partner, Boston
Thomas Connors
Partner, Boston
Karun Ahuja
Special Counsel, Chicago
Sydney Sachs
Associate, Boston
Katrina Morris
Associate, Boston
Stella Sarma
Partner, Brussels
Mischi a Marca
Partner, San Francisco
Michael Egan
Partner, Washington, DC
Patrick Flanagan
Partner, New York
Stacey A. Bradford
Special Counsel, Washington, DC
David Hopkins
Special Counsel, Colorado
Karen Tsai
Special Counsel, Washington, DC
Cara Buchicchio
Associate, New York
Danielle Carvalho
Associate, Boston
Tony P. Guan
Associate, Santa Monica
Nathaniel Hearn Jr.
Associate, Chicago
Kavi Huded
Associate, New York
Alison Kimball
Associate, Boston
Nicollette R. Kirby
Associate, Washington, DC
Alexandra Leavy
Associate, New York
Patrick Sharma
Associate, Santa Monica
Ryan Sonberg
Associate, Boston
Zachary Sonenshine
Associate, New York
Mo Swart
Associate, London
Rubin Waranch
Associate, Colorado
Leanne Andrepont
Senior Trademark Paralegal
Megan Boss
Senior Paralegal , Boston
Anna Anderson
Paralegal Specialist, London

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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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Poseida Therapeutics Announces Agreement to Be Acquired by Roche for up to $1.5 Billion

November 26, 2024

Cooley advised Poseida Therapeutics, a clinical-stage allogeneic cell therapy and genetic medicines company advancing differentiated nonviral treatments for patients with cancer, autoimmune and rare diseases, on its merger agreement to be acquired by Roche at a price of $9 per share in cash at closing, plus a non-tradable contingent value right to receive up to an aggregate of $4 per share in cash, payable upon achievement of specified milestones. The price payable at closing represents a total equity value of up to $1.5 billion and a premium of approximately 215% to Poseida’s closing share price on November 25, 2024. Cooley previously represented Poseida in its initial public offering, equity and debt transactions, and collaboration agreements, including its collaboration agreement with Roche.

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Rowook Park
Partner, San Diego
Barbara Borden
Senior Counsel, San Diego
Julia Kim
Special Counsel, New York
Rajdeep Roger Bains
Associate, San Diego
Josh Himmelstern
Associate, San Diego
Elaine Huang
Associate, Palo Alto
Anne Luquette
Associate, San Francisco
Allie Pilmer
Associate, San Diego
Tom Coll
Partner, San Diego
Kenneth Krisko
Partner, Reston
Edmond Lay
Partner, San Diego
John Forrest
Associate, Boston
Jenny Ge
Associate, Santa Monica
Peter Adams
Partner, San Diego
Michael Bergmann
Partner, Washington, DC
Megan Browdie
Partner, Washington, DC
Ross Eberly
Partner, Santa Monica
Todd Gluth
Partner, San Diego
Christopher Kimball
Partner, Washington, DC
Alessandra Murata
Partner, Palo Alto
Jeffrey J. Tolin
Partner, New York
Robert Eisenbach
Of Counsel, San Francisco
Maricel Mojares-Moore
Special Counsel, San Francisco
Dillon Martinson
Special Counsel, Washington, DC
Stella Sarma
Partner, Brussels
Natasha Leskovsek
Of Counsel, Washington, DC
Alexandria Ashour
Associate, San Diego
Navya Dasari
Associate, New York
Nicollette R. Kirby
Associate, Washington, DC
Allison Kutner
Associate, New York
Calvin Lee
Associate, New York
Calvin Lee
Associate, New York
Breanna Qin
Associate, Palo Alto
Shelby Saunders
Associate, New York
Shaun (Tianjie) Wang
Associate, New York
Colleen R. Wellington-Caban
Associate, Washington, DC
Jack Whitaker
Associate, San Diego
Anna Anderson
Paralegal Specialist, London
Novak Topalovic
Associate, San Diego

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SPAC BowX Agrees to $9 Billion Merger With WeWork

March 30, 2021

Cooley advised BowX Acquisition Corp., a publicly traded special purpose acquisition company or SPAC, on its agreement to merge with WeWork for $9 billion – a combination that will result in WeWork becoming a publicly listed company. Lawyers Dave Peinsipp, Jamie Leigh, Kevin Cooper, Garth Osterman, Eric Blanchard, Richard Segal, Sangitha Palaniappa and Natasha Patel led the team advising BowX on the transaction, which is expected to close in Q3.

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David Peinsipp
Partner, San Francisco
Jamie Leigh
Partner, San Francisco
Kevin Cooper
Partner, New York
Garth Angelo Osterman
Partner, San Francisco
Eric Blanchard
Partner, Boston
Richard Segal
Partner, New York
Sangitha Palaniappa
Associate, Palo Alto
Anna Anderson
Paralegal Specialist, London
Julia R. Brinton
Special Counsel, Washington, DC
Caitlin Courtney
Partner, Palo Alto
Ross Eberly
Partner, Santa Monica
Joshua Elefant
Associate, Palo Alto
Andrew Epstein
Special Counsel, Seattle
Stephanie Gentile
Partner, New York
Patrick Gibbs
Partner, Palo Alto
TJ Graham
Partner, Palo Alto
Christopher Hutter
Partner, Reston
Christopher Kimball
Partner, Washington, DC
Kevin King
Partner, Washington, DC
Drue Anne Koons
Paralegal Specialist, San Diego
Allison Kutner
Associate, New York
Calvin Lee
Associate, New York
Evan Leitner
Partner, New York
Sarah Lightdale
Partner, New York
Douglas Lyles
Senior Research Services & Access Analyst
Shannon MacMichael
Special Counsel, Washington, DC
Eileen Marshall
Partner, Washington, DC
Margie Murphy
Paralegal Specialist, New York
Howard Morse
Senior Counsel, Washington, DC
Pat O'Connell
Associate, New York
Sarah Oliai
Associate, Washington, DC
Liz Paisner
Associate, New York
Amis Pan
Associate, Palo Alto
Stella Sarma
Partner, Brussels
Patrick Sharma
Associate, Santa Monica
Elizabeth Skey
Partner, Palo Alto
Leo Spicer-Phelps
Partner, London
Connor Tweardy
Associate, Miami
Drew Williamson
Partner, San Francisco
Mark Windfeld-Hansen
Senior Counsel, Palo Alto
Michael Young
Senior Paralegal, San Francisco
Victoria Bocek
Senior Paralegal, Boston

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