Admissions and credentials

Mexico

Not admitted to practice in Washington, DC

Supervised by active members of the Washington, DC Bar

Experience

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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Related contacts

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

Related Practices & Industries

Cooley Advises SoftEye in Sale to TDK

June 19, 2025

Cooley advised SoftEye, a San Diego-based company developing specialized chips, cameras, software and algorithms for use in smart glasses, on its sale to TDK Corporation, a Tokyo-based global leader in advanced electronic solutions designed for a smarter, more connected world.

Related contacts

Sean O'Neill
Partner, Santa Monica
Garth Angelo Osterman
Partner, San Francisco
Maureen Nagle
Special Counsel, Washington, DC
Cameron Gyorffy
Associate, Santa Monica
Michelle Liskanich
Associate, Santa Monica
Tucker Cochenour
Associate, Palo Alto
Tracy Rubin
Partner, Palo Alto
Stephanie Gentile
Partner, New York
Ross Eberly
Partner, Santa Monica
Ryan Montgomery
Partner, Boston
C. Thomas Hopkins
Partner, Santa Monica
Mark Windfeld-Hansen
Senior Counsel, Palo Alto
Andrew Epstein
Special Counsel, Seattle
Dillon Martinson
Special Counsel, Washington, DC
Breanna Qin
Associate, Palo Alto
Cristina DeBiase
Associate, Boston
Norma Chayo Dichi
Associate, Washington, DC
Hardy Zhou
Associate, New York
Eileen Leman
Associate, Los Angeles
Patricia Myers
Paralegal Specialist, Colorado
Christopher Kimball
Partner, Washington, DC
Annie Froehlich
Partner, Washington, DC
Rebecca Ross
Special Counsel, Washington, DC

Related Practices & Industries

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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Related contacts

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

Related Practices & Industries

Datadog Announces Upsized $1 Billion Convertible Senior Notes

December 12, 2024

Cooley advised Datadog (Nasdaq: DDOG), a monitoring and security platform for cloud applications, on its upsized $1 billion aggregate principal amount of 0% convertible senior notes due 2029, which includes the exercise in full of the initial purchasers’ option to purchase up to an additional $130 million aggregate principal amount of notes, a figure comprising an initial $870 million aggregate principal amount of notes and the exercise in full of the initial purchasers’ option to purchase up to an additional $130 million aggregate principal amount.

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Related contacts

Mischi a Marca
Partner, San Francisco
Jason Savich
Partner, San Francisco
Ellie Seber
Partner, Santa Monica
Richard Segal
Partner, New York
Brad Goldberg
Partner, New York
Milson Yu
Partner, Palo Alto
Eileen Marshall
Partner, Washington, DC
Timothy Shapiro
Partner, Palo Alto
Darren DeStefano
Partner, Reston
Francis Wheeler
Senior Counsel, Colorado
Timothy Nguyen
Special Counsel, San Francisco
Evan Leitner
Partner, New York
Izzy Lubarsky
Partner, New York
Norma Chayo Dichi
Associate, Washington, DC
Katherine Denby
Special Counsel, Washington, DC
Yoni Horn
Associate, Santa Monica
Talya Kornitzer
Associate, New York
Allison Kutner
Associate, New York
Julie Paulino Montejo
Associate, New York
Jayne M. Munger
Associate, New York
Charles A. Watkins II
Associate, Santa Monica
Ron Metzger
Paralegal Specialist, San Francisco

Related Practices & Industries

Rankings and accolades

American Bar Association Law Student Tax Challenge: LLM Division – 1st Place and Best Written Submission (2024)