Los Angeles Office

213 277-7088

Practice Areas

Patent Preparation and Prosecution
IP Due Diligence
IP Licensing
Intellectual Property Litigation
Mergers & Acquisitions
Startup & Venture Capital
Technology Transactions


Medical Devices
Digital Health
Life Sciences

Education and Bar Admission

George Mason University School of Law, JD
The George Washington University Medical Center, PhD in Pharmacology
Duke University, BS in Neuroscience

Admitted to Practice in Maryland and Washington D.C.
Registered U.S. Patent Attorney before the U.S. Patent and Trademark Office

John Weatherspoon, Esq.
U.S. Patent Attorney

John is a U.S. patent attorney with nearly twenty years of experience representing clients in a wide range of industries. He focuses his practice on intellectual property strategies for clients, including strategies for building and protecting patent portfolios, and monetizing clients’ valuable patent portfolios. He also has a Ph.D. in the pharmaceutical sciences and extensive experience advising clients in the pharmaceutical and biotechnology industries, other life sciences and healthcare-related industries, high tech industries, and clients in a wide range of other industries.

As outside patent counsel for numerous pharmaceutical and biotechnology companies, including Immunophotonics, he has managed the international and U.S. patent portfolio and worked with the company management to develop long-term strategies for monetizing their intellectual property assets. He has also been extensively involved in IP due diligence on behalf of clients. He is an expert in rendering patent-related legal opinions, including patentability, freedom to operate, infringement, validity and invalidity opinions, technology transfer issues, and strategic issues involving the acquisition, development, and protection of their intellectual property. He also has extensive experience with Hatch-Waxman matters, including analysis of Orange Book listed patents in the United States. In addition, he advises clients on the preparation, negotiation and handling of license agreements, enforcing their intellectual property rights, and long-term strategies for the commercialization of their technologies.

John’s representative transactions include: collaboration and material transfer agreements for a wide range of life science technologies including, for example, small molecules, plasmid-based therapeutics, biologics, and medical device technologies; competitive landscape analysis for pharmaceutical, biotechnology and diagnostics companies, and for companies in the semiconductor, computer, aerospace, electronics, petrochemical, and nanotechnology industries; and providing a broad range of intellectual property due diligence services for clients.

He worked at Winston Strawn and Morgan Lewis in Washington, D.C., handling several large pharmaceutical and biotechnology clients and litigations, and he has also taught intellectual property courses at Johns Hopkins University Carey Business School. He has also been an invited speaker for Marcus Evans, the Licensing Executives Society and an invited Mentor at the NIH Commercialization Accelerator Program (NIH CAP) FeedForward™ Sessions, sponsored by the Larta Institute.

Publication: He is the author of “A Wave of High-Profile Court Cases Has Major Impact on the BioPharmaceutical Industry” (published in the Pharmaceutical Compliance Monitor), 2015.

Professional Activities: Advisor at VesaliuX, a cross-border venture capital-backed accelerator affiliated with the venture capital investment firm Vesalius Ventures (http://www.vesaliusventures.com/). He is also a Visiting Professor at the School of Law at the Beijing Institute of Technology (B.I.T.).

Public Service: Providing pro bono service and guidance to several early-stage startup companies at the Maryland Technology Incubation Center and at the Inventors' Network of the Capital Area, in the Washington D.C. area (2009 - present).

Speaker: "Latest Trends and Developments in IP Licensing Agreements Explored! LIVE Webcast" (Knowledge Congress Live Webcast Series), 2015. He was also a speaker on Intellectual Property Licensing, at the 2012 INPEX Annual Conference, Pennsylvania, June 2012. In addition, he was a speaker on the topic of "IP Research Strategies: Getting a Grip on the Competitive Landscape and Identifying the Best Targets" Annual Licensing Executive Society Conference, San Diego, October, 2011.