About Rubin

Rubin advises clients on antitrust law and competition considerations, including antitrust litigation, compliance with the Hart-Scott-Rodino Act, and mergers and acquisitions. He has experience in matters before the US Department of Justice (DOJ) and the Federal Trade Commission (FTC) and navigates clients across industries, including biotechnology, financial technology, healthcare, medical devices and technology, pharmaceuticals, software, spirits, and TV broadcasting.

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Experience

Cooley Represents 3SBio on Antitrust Aspects of Its Exclusive Licensing Agreement With Pfizer

Cooley Represents 3SBio on Antitrust Aspects of Its Exclusive Licensing Agreement With Pfizer

July 24, 2025

Cooley advised 3SBio, a leading Chinese biopharmaceutical company, on antitrust aspects of its up to $6 billion+ exclusive licensing agreement with Pfizer for the development, manufacture and commercialization of SSGJ-707, a bispecific antibody targeting programmed cell death protein 1 (PD-1) and vascular endothelial growth factor (VEGF).

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Related contacts

David Burns
Special Counsel, Washington, DC
Megan Browdie
Partner, Washington, DC
Rubin Waranch
Associate, Colorado

Related Practices & Industries

Antitrust and Competition
Healthcare
Biotechnology
Life Sciences and Healthcare Regulatory

Hadrian Secures $260 Million Series C

Hadrian Secures $260 Million Series C

July 17, 2025

Cooley advised Hadrian, a manufacturing company building artificial intelligence-powered factories for America, on its $260 million Series C financing round.

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Related contacts

Peter H. Werner
Partner in Charge – San Francisco, San Francisco
Emma E. Mann-Meginniss
Partner, San Francisco
Michael Tollini
Partner, Washington, DC
Ellie Seber
Partner, Santa Monica
Zander Olsson
Associate, San Francisco
Carl Min
Associate, San Francisco
Erin Wright
Associate, San Francisco
Kavi Huded
Associate, New York
David Shekman
Associate, San Francisco
Megan Browdie
Partner, Washington, DC
Annie Froehlich
Partner, Washington, DC
Kevin King
Partner, Washington, DC
John Sellers
Senior Counsel, Palo Alto
Rubin Waranch
Associate, Colorado
Chu Lee
Paralegal Specialist, San Francisco
Katie Kissner
Quantitative Analyst, San Francisco

Related Practices & Industries

Emerging Companies
Artificial Intelligence
Antitrust and Competition
Debt Finance

Capstan Therapeutics Announces up to $2.1 Billion Acquisition by AbbVie

Capstan Therapeutics Announces up to $2.1 Billion Acquisition by AbbVie

June 30, 2025

Cooley advised Capstan Therapeutics, a clinical-stage biotechnology company with a mission to multiply therapeutic possibilities for patients through targeted in vivo RNA technologies, on its definitive agreement to be acquired by AbbVie.

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Related contacts

Rama Padmanabhan
Partner, San Diego
Ken Rollins
Partner in Charge – San Diego, San Diego
Edmond Lay
Partner, San Diego
Charity Williams
Partner, San Diego
Lindsey O'Crump
Associate, Washington, DC
Megan Browdie
Partner, Washington, DC
Ross Eberly
Partner, Santa Monica
Christopher Kimball
Partner, Washington, DC
Alessandra Murata
Partner, Palo Alto
W. Chad Shear
Partner, San Diego
Jeffrey J. Tolin
Partner, New York
Stacey A. Bradford
Special Counsel, Washington, DC
Andrew Epstein
Special Counsel, Seattle
Randy Sabett
Special Counsel, Washington, DC
Karen Tsai
Special Counsel, Washington, DC
Natasha Leskovsek
Of Counsel, Washington, DC
Rachel Thorn
Of counsel, New York
Alexandria Ashour
Associate, San Diego
Navya Dasari
Associate, New York
Joshua Elefant
Associate, Palo Alto
Tony P. Guan
Associate, Santa Monica
Michelle Hunt
Associate
Emily Mok
Associate, Reston
Jonathan Perez-Reyzin
Associate, San Diego
Breanna Qin
Associate, Palo Alto
Christopher Suhler
Associate, Colorado
Novak Topalovic
Associate, San Diego
Heidi E. Wang
Associate, San Diego
Rubin Waranch
Associate, Colorado
Yuhan Wu
Associate, Palo Alto
Joanna Zhang
Associate, San Diego
Jessica Wade
Paralegal Specialist, San Diego

Related Practices & Industries

Mergers and Acquisitions
Life Sciences
Healthcare
Biotechnology
Life Sciences and Healthcare Regulatory
Life Sciences Corporate Partnering and Licensing
Emerging Companies
Tax
CFIUS
Labor and Employment
Cyber/Data/Privacy
Antitrust and Competition
Compensation and Benefits
Capital Markets
Commercial Litigation

Movable Ink to Be Acquired by STG

Movable Ink to Be Acquired by STG

June 26, 2025

Cooley advised Movable Ink, an artificial intelligence-powered personalized content platform, on its definitive agreement to be acquired by STG. The transaction is expected to close in July 2025.

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Related contacts

Adam Dinow
Partner, New York
Bill Sorabella
Partner, New York
Bill Roegge
Partner, New York
Nathan Baum
Special Counsel, New York
Robert Warshaw
Associate, New York
Kyle Hess
Associate, New York
Ethan Ebert-Zavos
Associate, New York
Patrick Flanagan
Partner, New York
Len Jacoby
Partner, New York
Eileen Marshall
Partner, Washington, DC
Kristen Mathews
Partner, New York
Jeremy Morrison
Partner, Washington, DC
John Paul Oleksiuk
Partner, New York
Nyron J. Persaud
Partner, New York
Scott Talbot
Senior Counsel, Reston
Julia R. Brinton
Special Counsel, Washington, DC
David Hopkins
Special Counsel, Colorado
Andrew Linch
Special Counsel, London
Michael Bruno
Associate, New York
Amanda Gonzalez Burton
Associate, New York
Tony P. Guan
Associate, Santa Monica
Nathaniel Hearn Jr.
Associate, Chicago
Bomin Kim
Associate, New York
Richard Koch
Associate, Washington, DC
Allison Kutner
Associate, New York
Alexandra Leavy
Associate, New York
Amanda Pacheco
Associate, Palo Alto
Rubin Waranch
Associate, Colorado
Colleen R. Wellington-Caban
Associate, Washington, DC
Andy Zachrich
Associate, San Francisco
Patricia Myers
Paralegal Specialist, Colorado
Jill Simon
Senior Paralegal, New York
Kevin Gurley
Quantitative Analyst, New York

Related Practices & Industries

Mergers and Acquisitions
Emerging Companies
Artificial Intelligence
Technology
Technology Transactions
Compensation and Benefits
Trademark, Copyright and Advertising
Tax
Cyber/Data/Privacy
Patent Counseling and Prosecution
Labor and Employment
Debt Finance
Antitrust and Competition

Rubrik Announces Acquisition of Predibase

Rubrik Announces Acquisition of Predibase

June 25, 2025

Cooley advised Rubrik (NYSE: RBRK), a leading cybersecurity company, on its agreement to acquire Predibase to accelerate agentic artificial intelligence adoption from pilot to production at scale. 

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Related contacts

Jamie Leigh
Partner, San Francisco
Kevin Cooper
Partner, New York
Caitlin Cunningham
Special Counsel, Colorado
Jon Avina
Partner, Palo Alto
Milson Yu
Partner, Palo Alto
TJ Graham
Partner, Palo Alto
Eileen Marshall
Partner, Washington, DC
Kristen Mathews
Partner, New York
Alessandra Murata
Partner, Palo Alto
Ryan Vann
Partner, Chicago
Stacey A. Bradford
Special Counsel, Washington, DC
Dani Nazemian
Special Counsel, San Diego
Raychelle L. Eddings
Associate, Chicago
Jose Luis Gonzalez
Associate, Palo Alto
Cameron Gyorffy
Associate, Santa Monica
Elaine Huang
Associate, Palo Alto
Jessica Li
Associate, Palo Alto
Breanna Qin
Associate, Palo Alto
Shelby Saunders
Associate, New York
Patrick Sharma
Associate, Santa Monica
Rubin Waranch
Associate, Colorado
David H. Zhou
Associate, Palo Alto
Kevin Gurley
Quantitative Analyst, New York

Related Practices & Industries

Mergers and Acquisitions
Technology Transactions
Technology
Artificial Intelligence
Compensation and Benefits
Capital Markets
Cyber/Data/Privacy
Labor and Employment
Tax
CFIUS
Antitrust and Competition
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Admissions and credentials

Colorado

Virginia

District of Columbia

Memberships and affiliations

American Bar Association (ABA)