John L. Hemmer is a patent lawyer who focuses on implementing intellectual property (IP) programs for clients involving mechanical and life science technologies. Clients turn to John for counsel on patent portfolio management, patent strategy, product clearance, patentability analyses, and patent challenges including reexaminations and inter partes reviews. John also provides support for patent litigation, prepares and negotiates technology agreements, and works with clients on venture capital financing, merger and acquisition agreements, initial public offerings, and IP due diligence.