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Dale L. Rieger Ph.D.


(T) +1.858.314.1188
(F) +1.844.345.3178


  • University of San Diego (J.D. 1999); Harvard University (Postdoctoral Fellow, 1989-1991); Indiana University (Ph.D. in Organic Chemistry 1989); University of Minnesota (B.S. in Chemistry 1984)

Bar Admissions

  • California and registered to practice before the United States Patent and Trademark Office

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.

Dale is a member of the American Bar Association, the American Chemical Society, the American Association for the Advancement of Science, and the American Intellectual Property Law Association.

Honors & Distinctions

  • 2014-2018 San Diego Super Lawyers in the area of intellectual property

    2014-2018 IAM Patent 1000 — The World's Leading Patent Professionals, IAM's leading private practice patent professionals

    2009 Daily Journal list of "Top 25 IP Portfolio Managers in California"
Dale Rieger