Sam J. Barkley, Ph.D.

Dr. Barkley holds a Ph.D. in chemistry with emphases in organic chemistry and biochemistry. 

Dr. Barkley works as an associate in the intellectual property department at Lathrop & Gage LLP specializing in the drafting and prosecution of patent applications in the chemical, pharmaceutical and biotech fields. He also advises clients on patent portfolio management, as well as providing freedom-to-operate analyses and litigation support for the enforcement of intellectual property rights.

Dr. Barkley has experience drafting and prosecuting patent applications for clients, including several Fortune 500 companies, while working as an associate at Lathrop & Gage LLP, at two intellectual property boutique law firms and for the in-house legal department at Myriad Genetics. 

Court Memberships

• U.S. Patent and Trademark Office
• Wyoming
• U.S. District Court for the District of Colorado
• Not admitted in Colorado

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Professional Affiliations

• Wyoming Bar Association
• American Intellectual Property Association
• The Colorado Intellectual Property American Inn of Court

Publications

• Barkley, S.J., S.B. Desai, C.D. Poulter. “Proton Exchange in Type II Isopentenyl Diphosphate Isomerase” Organic Letters 6 (2004) 5019-5021 
• Barkley, S.J., S.B. Desai, C.D. Poulter. “Type II Isopentenyl Diphosphate Isomerase from Synechocystis sp. Strain PCC 6803.” J Bacteriol. 186 (2004) 8156-8158
• Barkley, S.J., R.M. Cornish, C.D. Poulter. “Identification of an Archaeal Type II IPP Isomerase in M. thermautotrophicus.” J Bacteriol. 186 (2004) 1811-1817
• Wouters, J., Y. Oudjama, S.J. Barkley, C. Tricot, V. Dalton, L. Droogmans, C.D. Poulter. “Catalytic Mechanism of Escherichia coli Isopentenyl Diphosphate Isomerase” J. Biological Chemistry 186 (2003) 11903-11982