Dale Rieger counsels clients in all aspects of patent portfolio development, particularly in the field of chemistry including pharmaceuticals, agrochemicals, and polymers. He advises pharmaceutical and biotechnology companies regarding pharmaceutical life cycle management and Hatch-Waxman patent term extensions and litigation. He also advises corporate and venture investors on intellectual property due diligence associated with mergers and acquisitions, joint ventures, private and public financings, and initial public offerings.Dale's legal and scientific career has emphasized pharmaceuticals, particularly working with small molecule drugs. He represents such clients as BioMarin Pharmaceutical and Idenix Pharmaceuticals. Before joining Jones Day, he worked at Agouron Pharmaceuticals as a senior scientist, at Gensia as a senior research scientist, and at Merck Research Laboratories as a senior research chemist. Dale also represents Bunge North America in patent portfolio development related to oilseed processing and a major international energy company in patent portfolio development related to polymeric materials for gasoline, oil, and lubricant additives.