Rosemary Kellogg, Ph.D.


Protecting chemical inventions takes someone who truly understands the subject matter.  Rose’s widespread background and experience in the chemical arts lends this understanding to patent prosecution in this complex field.

Rose's extensive experience in patent prosecution spans almost three decades.  Rose practices Intellectual Property law with a focus on patent prosecution in biotechnology with an emphasis in chemical practice. Rose's acumen in patent prosecution gives her clients both strategic and economic advantages few attorneys with her experience can offer.

Rosemary counsels clients both in the U.S. and globally.  She enjoys using her technical expertise to bring economic value to clients.

    Practice Areas

    • Life Sciences
    • Chemical Arts
    • Pharmaceuticals

    Professional Activities

    • Colorado Bar Association


    • Brooks, D. W.; Kellogg, R.P.; and Cooper, C.S.; "Substrate Modification as a Means of Enhancing the Enantioselectivity of Microbial Reductions of B-Keto Esters.  An (R)- or S-1,3,5-Trihydroxypentane Synthon," Journal of Organic Chemistry, 1987, 52, 192
    • Brooks, D.W. and Kellogg, R. P.; "Synthetic Studies of Polyene Macrolides, Synthesis of a C29-37 Fragment for Amphotercin B and Nystatin," Tetrahedron Letters, 1982, 4991


    • University of Colorado School of Law, J.D., Order of the Coif
    • Purdue University, Ph.D., Organic Chemistry
    • SUNY at Oswego, B.S., Chemistry, Magna Cum Laude

    Bar Admissions

    • U.S. Patent and Trademark Office
    • Colorado State Bar