Lawrence P. Casson, Ph.D.

Special Counsel

  • Lawrence P. Casson, Ph.D.
  • Phone: +1 212 692 1045

    Import to Address Book

  • Duane Morris LLP
    1540 Broadway
    New York, NY 10036-4086
    USA

Lawrence P. Casson practices in the area of intellectual property law. Dr. Casson has experience in patent portfolio analysis, patent validity and infringement opinions, and patent drafting and prosecution, with particular emphasis on biotechnology. His experience includes interference practice and pharmaceutical litigation. He has worked on matters involving immunology; antibodies and phage display; peptidomimetics; vaccines; target identification and small molecule drug discovery and development; enzyme replacement therapy; treatment of neoplastic, metabolic, and infectious disease; prokaryotic and eukaryotic gene expression; RTKs and signal transduction; stem cell therapeutics and assays; diagnostic and forensic testing and profiling; cell biology; plant molecular biology; macromolecular crystallography; DNA chips and microarrays; natural products and neutraceuticals; nanoparticles; and polymers.

Dr. Casson is a 2000 graduate of St. John’s University School of Law. He earned a Ph.D. and an M.A. in Molecular Biology from Princeton University and an S.B. in Life Sciences from Massachusetts Institute of Technology.

Areas of Practice

  • Intellectual Property

  • Patents

  • Life Sciences and Biotechnology

Admissions

  • New York
  • U.S. Patent and Trademark Office (USPTO)

Education

  • St. John's University School of Law, J.D., 2000
  • Princeton University, Ph.D., Molecular Biology, 1996
  • Princeton University, M.A., Molecular Biology, 1990
  • Massachusetts Institute of Technology, S.B., Life Sciences, 1983

Experience

  • Duane Morris LLP
    - Special Counsel, 2018-present

  • Vedder Prince
    - Counsel, 2014-2018

  • Kenyon & Kenyon
    - Counsel, 2008-2014
    - Associate, 2000-2007

Selected Publications

  • Coauthor, Pharmaceutical, Biotechnology and Chemical Inventions, Oxford University Press, May 2011, Ed. Duncan Bucknell

  • Author, An Investigation into the Role of Somatic Mutation in Affinity Maturation: Modification of Antibody Affinity and Specificity by in vitro Mutagenesis, Ph.D. Thesis

  • Co-author, “The roles of antibody variable region hypermutation and selection in the development of the memory B-cell compartment,” Immunol. Rev. 162:183-196, 1998

  • Co-author, “Random mutagenesis of two CDR amino acids yields an unexpectedly high frequency of antibodies with increased affinity for both cognate antigen and autoantigen,” J. Exp. Med. 182:743-750, 1995

  • Co-author, “Evaluation of Loss and Change of Specificity Due to Random Mutagenesis of an Antibody VH Region,” J. Immunol. 155:5647-5654, 1995

  • Co-author, “In vitro synthesis of pp60v-src: myristylation in a cell-free system,” Mol. Cell. Biol. 8:4295-4301, 1988

  • Co-author, “A gene that controls the male modes of both sex determination and X chromosome dosage compensation in C. elegans,” Cell 55:167-183, 1988

  • Co-author, “Assessment of X chromosome dosage in Caenorhabditis elegans by phenotypic analysis of lin-14,” Genetics 117:657-670, 1987

  • Co-author, “Caenorhabditis elegans compensates for the difference in X chromosome dosage between the sexes by regulating transcript levels,” Cell 47:871-881, 1986

  • Co-author, “The heat shock regulatory gene, htpR, influences rates of protein degradation and expression of the lon gene in Escherichia coli,” Proc. Natl. Acad. Sci. U.S.A. 81:6647-6651, 1984

  • Co-author, “Anaerobiosis induces expression of ant, a new Escherichia coli locus with a role in anaerobic electron transport,” J. Bacteriol. 158:180-186, 1984

  • U.S. Patent No. 4,758,512 (Goldberg et al.) Hosts and methods for producing recombinant products in high yields.

Selected Speaking Engagements

  • Speaker, "Patent Fundamentals Bootcamp 2023: An Introduction to Patent Drafting, Prosecution, and Litigation," Practising Law Institute, September 12, 2023
  • Clinician, "Clinic II: Patent Amendment Writing, PLI Patent Fundamentals Bootcamp 2022: An Introduction to Patent Drafting, Prosecution, and Litigation," September 14, 2022 
  • Clinician, "Patent Amendment Writing," Practising Law Institute's Patent Fundamentals Bootcamp 2021, June 2-4, 2021
  • Clinician, "Patent Fundamentals Bootcamp 2020: An Introduction to Patent Drafting, Prosecution, and Litigation," Practising Law Institute Webinar, June 2-4, 2020