Resa K. Schlossberg

Partner, Intellectual Property and Technology
Resa Schlossberg is head of Skadden’s intellectual property and technology practice. She represents clients in numerous industries on a wide range of intellectual property matters, with a focus on life sciences and technology-intensive transactions.


Ms. Schlossberg has extensive experience structuring, drafting, negotiating and advising on joint ventures, license agreements, research and development agreements, collaboration agreements, strategic alliances, co-marketing and co-promotion agreements, mergers and acquisitions, manufacturing and supply agreements, and consulting agreements. In addition, Ms. Schlossberg’s experience also includes conducting intellectual property diligence and evaluating technologies for her clients in the life sciences and other technology-based fields. Her clients include pharmaceutical, chemical, biotechnology, cosmetic, medical device and renewable energy companies, among others.

Ms. Schlossberg brings multiple perspectives in representing her clients. Her educational background in molecular biophysics and biochemistry and her experience conducting scientific research at several academic institutions facilitates her ability to understand the scientific and technical, in addition to the legal, aspects of the transactions on which she advises. Ms. Schlossberg is registered as a patent attorney with the U.S. Patent and Trademark Office, and she has served as in-house counsel on a secondment basis to a Fortune 50 pharmaceutical company, during which time she structured, negotiated and advised on a wide array of pharmaceutical and biotechnology transactions and related issues from an in-house perspective.

In addition to her transactional work, Ms. Schlossberg also has significant experience in other types of life sciences and technology-intensive intellectual property-related matters. These matters include litigating patent infringement matters in U.S. federal court, representing clients in false advertising and consumer deception matters, and counseling clients on various intellectual property strategic issues. Ms. Schlossberg has been named to Intellectual Asset Management’s IAM Patent 1000, where she is described as a “master at executing a deep dive into target and competitor portfolios, formulating strategies, structuring deals and successfully negotiating them.” She has previously served as a hiring partner, co-chair of the hiring committee and co-chair of the summer committee for Skadden’s New York office.

Representative transactions include:

  • FaZe Clan Inc. in its $1 billion combination with special purpose acquisition company B. Riley Principal 150 Merger Corp.;
  • ByteDance in its investment and business cooperation agreement with For Fun Labs, Inc., and various other transactions;
  • Aspen Technology in its $11 billion merger with Emerson Electric Company’s software business units;
  • Brookfield Super-Core Infrastructure Partners in its $2.4 billion acquisition of a 19.9% minority interest in FirstEnergy Transmission, LLC;
  • Nano-X Imaging Ltd in its initial public offering;
  • Iora Health in its $2.1 billion acquisition by One Medical;
  • Cellularity in its acquisition by GX Acquisition Corp., a special purpose acquisition company;
  • OceanSound Partners, LP in its strategic investment in Lynx Software Technologies and various other transactions;
  • Medigene AG in its multi-target research collaboration with BioNTech Se to develop T cell receptor (TCR)-based immunotherapies against cancer;
  • vTv Therapeutics Inc. (a MacAndrews & Forbes portfolio company) in its collaboration, license and investment arrangements with affiliates of G42 Healthcare, and its investment and services arrangement with CinRx Pharma;
  • Array Biopharma, Inc. in its strategic collaborations with Bristol-Myers Squibb and Merck;
  • Population Council in its license agreement with TherapeuticsMD;
  • Pandion Therapeutics in its pending sale to Merck for $1.8 billion;
  • Stemline Therapeutics in its sale to Menarini Group for up to $677 million;
  • Gilead Sciences in its $4.9 billion acquisition of Forty Seven; its $11.9 billion acquisition of Kite Pharma; and its acquisition of Cell Design Labs for up to $567 million;
  • Alder BioPharmaceuticals in its sale to Lundbeck for up to $1.95 billion;
  • Juno Therapeutics, Inc. in its acquisition by Celgene Corporation, valuing Juno at over $11 billion;
  • ArQule in its sale to Merck for $2.7 billion;
  • Achillion in its sale to Alexion for up to $1.225 billion;
  • Vertex Pharmaceuticals in its acquisition of Semma Therapeutics for $950 million and its acquisition of ViaCyte for $320 million;
  • DowDuPont in its separation into three independent public companies;
  • Wendel SE in its $910 million acquisition of Crisis Prevention Institute from FFL Partners;
  • Hasbro in its $522 million acquisition of Saban Brands’ “Power Rangers” and other entertainment assets;
  • Abbott Laboratories in a license and supply agreement with Takeda Pharmaceutical Company Limited regarding rights to the oncology treatment Lupron®;
  • Amylin Pharmaceuticals, Inc. in its $1.5 billion termination and reacquisition of its rights under its alliance agreements with Eli Lilly and Company with respect to the diabetes drugs Bydureon and Byetta, and intellectual property licenses and supply agreements entered into in connection with such transaction;
  • DuPont in its merger of its Nutrition and Health Business with IFF through a reverse Morris trust transaction; its $11 billion sale of the majority of its Mobility & Materials (M&M) business to Celanese Corp.; its sale of a portion of its crop protection business to FMC Corporation in exchange for substantially all of FMC’s health and nutrition business and a balancing payment of $1.625 billion; its spin-off of its performance chemicals business; its $4.9 billion sale of its high performance coating business to The Carlyle Group; its 50/50 joint venture with Danisco USA, Inc. to develop cellulosic ethanol technology; and its $6.3 billion acquisition of Danisco A/S (Denmark), a global manufacturer of enzyme and food ingredients;
  • Pfizer Inc. in its sale of its global infusion therapy business, Hospira Infusion Systems, to ICU Medical, Inc.; its proposed $160 billion combination with Allergan; its proposed, but withdrawn, $115 billion acquisition of AstraZeneca through the formation of a new U.K. holding company; its initial public offering of its animal health business and the related research and development collaboration and license agreement and intellectual property license agreements between Pfizer Inc. and Zoetis Inc.; its co-development agreement with Debiopharm in the restructuring of a pharmaceutical collaboration with Siena Biotech S.p.A., research and development agreements with NovaQuest, a research and development agreement with RPI Finance Trust and various license, collaboration, co-development and other related agreements, including a license agreement granting AstraZeneca rights to Tremelimumab and a license agreement granting Arog Pharmaceuticals rights to Crenolanib;
  • Valeant Pharmaceuticals in various acquisitions, including its acquisition of a dermatology product business from Sanofi, and its global strategic partnership with Living Proof, Inc.;
  • Sanofi-Aventis, S.A. (FRA) and Merck & Co., Inc. (U.S.A.) in connection with their proposed divestiture of a significant part of their respective animal health businesses to multiple prospective buyers;
  • Endo Pharmaceuticals in various strategic collaborations, acquisitions, and other matters, including its sale of its men’s health business to Boston Scientific and its acquisition of Penwest Pharmaceuticals;
  • Permira Funds in its $2.4 billion acquisition of Cambrex Corporation; its acquisition of a majority stake in Axiom; its acquisition of a majority stake in Reformation; the $2.3 billion sale of its portfolio company Atrium Innovations to Nestlé S.A.; its acquisition of Lyophilization Services of New England, Inc.; and the $765 million sale of its portfolio company PHARMAQ Holding AS to Zoetis Inc., among other transactions;
  • Stryker Corporation in its acquisition of privately-held CHG Hospital Beds, Inc. and various other matters; and
  • in various other matters, including: a life sciences start-up in a sponsored research agreement with an academic institution; a large pharmaceutical company on a novel investment structure to fund clinical trials of a biopharmaceutical; a large biotechnology company on restructuring certain aspects of a licensing arrangement; a large pharmaceutical company on the termination and restructuring of an early stage research and development collaboration; and a biotechnology company regarding a potential collaboration agreement.



  • J.D., Columbia Law School, 2004 (Harlan Fiske Stone Scholar)
  • B.S., Yale University, Molecular Biophysics and Biochemistry, 2001


  • New York
  • U.S. Patent and Trademark Office

Resa K. Schlossberg

Partner, Intellectual Property and Technology