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Benjamin (Benji) Prebyl joined the firm in 2022. As a prosecuting attorney, Benji’s work involves preparing and prosecuting patent applications in diversified technologies within the chemical and material sciences disciplines. Some of these areas include chemical compositions, polymers, plastics, organic compounds, pharmaceutical compositions, metallic compositions/alloys, adhesives, catalyst products, battery technologies, single-crystal wafer technologies, cosmetic compositions, and a diverse array of other chemical products and processes.


  • Patent Attorney – Greenblum & Bernstein, P.L.C. – 2022 – Present
  • Patent Attorney – Other IP law firms – 2007 – 2022

Representative Publications

  • Prebyl, Benjamin S.; Cook, Kelsey D.; Use of fourier transform for deconvolution of the unresolved envelope observed in electrospray ionization mass spectrometry of strongly ionic synthetic polymers. Anal. Chem. 2004, 76(1), 127-136.
  • Allen, M.; Welch, K; Prebyl, B.; Baker, D.; Meyers, A.; Sayler, G.; Exopolysaccharide production in the wastewater bacterium Thauera Sp. MZIT. Environ. Microbiol. 2004, 6(8), 780-790.
  • Prebyl, Benjamin S.; Characterization of polydisperse polymer systems via mass spectrometry. Dissertation Univ. of Tenn. Aug. 2003.
  • Prebyl, B. S.; Kaczmarek, C.; Tuinman, A. A.; Baker, D.C.; Characterizing the electrospray-ionization mass spectral fragmentation pattern of enzymatically derived hyaluronic acid oligomers. Carbohyd. Res. 2003, 338, 1381-1387.
  • Prebyl, B. S.; Cook, K. D.; Using monomers as standards for analysis of copolymers by electrospray ionization mass spectrometry with collision-induced dissociation. Polymeric Materials Science and Engineering 2003, 88, 175-176.
  • Zhou, S.; Prebyl, B. S.; Cook, K. D. Profiling pH changes in the electrospray plume. Anal. Chem. 2002, 74, 4885-4888.
  • Prebyl, B.; Cook, K. D.; Electrospray mass spectrometry with collision-induced dissociation for assessment of monomer contamination in polymers. Proceedings of the 50th Annual Conference on Mass Spectrometry and Allied Topics, Orlando, FL, June 2-6, 2002.
  • Prebyl, B.; Cook, K. D.; Polymer mass spectrometry. Measurement Control and Engineering Center Fall 2000 Industrial Advisory Board Meeting, Knoxville, TN, Apr. 3-Apr. 6, 2002.