
Matthew Rossiter
Partner, Corporate
San Francisco
Building lasting relationships with some of the most successful biopharma, medical device, diagnostic and healthcare companies, our cross-disciplinary teams partner with clients through key moments in their lifecycle.
Leading life sciences and healthcare companies that are changing the world through innovation rely on Fenwick for advice on their most business-critical legal needs. Our highly specialized lawyers—many with prior careers in the life sciences industry as general counsel, scientists, bankers and regulatory employees—help clients become and remain market leaders.
Our lawyers possess deep industry and scientific knowledge, as well as an understanding of how life sciences companies are formed, financed, grown and taken public or acquired based on decades of experience in scaling with companies from inception.
Often serving as outsourced general counsel, we represent hundreds of companies and institutions at various stages of their development—from innovative biotechnology startups that are pioneering the latest breakthroughs in gene and cell therapies, small molecules and antibodies, to global medical device companies and pharmaceutical giants looking into strategic acquisitions. We also have strong ties to venture capital and investment banking firms and other strategic investors focused on the life sciences industry.
In recent years, we’ve handled 180+ life sciences venture financing transactions, with a cumulative value in excess of $3.8 billion, including:
We advise venture capital, investment banking firms and other strategic investors focused on the life sciences industry including:
We’ve recently represented issuers and underwriters in some of the most important biotech and life sciences IPOs, including:
We’ve completed 100+ transactions for life sciences companies, including key industry mergers:
Our licensing group has advised on 300+ partnering and licensing matters, including related to antibodies, gene and cell therapies and medical devices in the last five years, including:
We’re called upon to handle some of the most critical disputes and litigation matters in the sector, including Hatch-Waxman, patent, trade secret, securities and licensing disputes, for clients such as:
Our 60+ registered patent professionals, many with Ph.D.s, M.D.s and other advanced degrees, and experience in disciplines such as chemistry, molecular biology and immunology, provide strategic patent prosecution and counseling and IP due diligence for numerous life sciences companies and investors, including:
We regularly handle equity and debt offerings for a variety of clients, including:
“I have valued my relationship with the Fenwick life sciences team for years, through multiple companies. They are, to a person, outstanding — excellent strategic partners in all aspects of building and running a successful biotech company.”
Representative Therapeutics Clients:
Aeglea BioTherapeutics, Affinia Therapeutics, Almirall, Ambys Medicines, Amunix Pharmaceuticals, AnaptysBio, BioAge Labs, Calico, DiCE Molecules, Elevation Oncology, E-Scape Bio, Graybug Vision, Halozyme Therapeutics, Immunocore, Invenra, Loxo Oncology, KalVista, Maze Therapeutics, Morphic Therapeutic, Neoleukin Therapeutics, Novo Nordisk, Novozymes, Passage Bio, Pfizer, Prelude Therapeutics, Seagen, Second Genome, Stoke Therapeutics, Sutro Biopharma and UCB Pharma
Representative Investor Clients:
3M Ventures, AbbVie Ventures, Agilent Technologies, Andreessen Horowitz, Atlas Venture, F-Prime, Frazier Healthcare, Hikma Ventures, Kaiser Permanente Ventures, Khosla Ventures, Kinnevik, Kleiner Perkins, Lilly Asia Ventures, Madrona Venture Group, Mayfield, McKesson Ventures, Merck, Nautilus Venture Partners, NEA, Novo Ventures, Perceptive Advisors, Sofinnova Partners and Vulcan Capital
Representative Medical Device and Diagnostic Clients:
Agilent Technologies, Align Technology, Applaud Medical, Apostle, Bio-Rad Laboratories, Cardiac Dimensions, Channel Medsystems, Cepheid, Dexcom, EchoNous, GRAIL, Inari Medical, Impel NeuroPharma, Joylux, Natus Medical, NeuroVision Imaging, Meril Life Sciences, Quest Diagnostics, ResMed, Senseonics, Think Surgical, Ventec Life Systems and Veracyte