The legal staff at Clark+Elbing consists of a nucleus of attorneys with advanced scientific degrees supported by a team of patent agents and technology specialists, each of whom holds a PhD in a scientific discipline.

We have unparalleled expertise in the biological and biochemical sciences, with professionals holding doctorates in such fields as chemistry, genetics, neuroscience, cell biology, developmental biology, molecular biology, neurobiology, and pharmacology.

Please click on a name above to view that individual's biography.


JD, Suffolk University Law School
PhD Chemistry, University of California, Davis
BS Chemistry, University of California, Irvine

Registered to practice before the U.S. Patent and Trademark Office
Admitted to the bar in Massachusetts

Jeff Ellison has been at Clark+Elbing since 2001 and a partner beginning in 2017. His work involves patent prosecution, primarily in the fields of chemistry and pharmaceuticals. Jeff works with clients to protect innovations in the areas of drug delivery systems, such as polymeric formulations and delivery devices; small molecule therapeutics for the treatment of pain, inflammation, microbial infections, cancer, and neurological disorders; combination therapies; diagnostics; synthetic methods; drug discovery; and NMR techniques. He also assists in the preparation of patentability, non-infringement, and freedom-to-operate opinions.

Jeff has a wide range of practical research experience in the fields of inorganic and medicinal chemistry. His doctoral research employed NMR and X-ray diffraction techniques in the study of low-coordinate metal environments. Jeff was a postdoctoral research associate, and part-time lecturer, at the University of Washington where he studied metalloenzymes. He has been a research scientist with EPIX Medical, Inc., where he focused on the design of pharmaceuticals for diagnostic imaging. Jeff is co-author of eighteen scientific articles appearing in such journals as Angewandte Chemie, Journal of the American Chemical Society, and Chemical Reviews.