Our Professionals
David K. Ho, Ph.D.
To print please click the icon below.

David K. Ho, Ph.D., J.D.

Patent Attorney


*Practice limited to matters at federal courts and agencies, including the U.S. Patent and Trademark Office

Professional Profile

Bar Admissions

  • State of Maryland, 2008
  • U.S. Patent and Trademark Office, 2003


  • J.D. (2005)
    American University - Washington College of Law
  • Ph.D. (1985)
    Purdue University (Medicinal Chemistry)
  • B.A. (1977)
    Indiana University (Chemistry and Biology)


  • English
  • Chinese (Cantonese and Mandarin Dialects)
  • German (Reading Comprehension)


  • Ho, David K., Co-Author, “European Patent Convention Reduces Timeframe for Filing Divisional Applications,” Staas & Halsey LLP Newsletter (2010).
  • Ho, David K. “U.S. Implications of Chinese Patent Law,” Staas & Halsey LLP Newsletter (2009).
  • Ho, David K. "The Journey of Taxol," J. BIOLAW & BUS., Bio-Education Special Supplement 49-64 (2003).
  • Ho, David K., Co-Author, "Geldanamycin:Anti-HER2 Immunoconjugates: Antiproliferative Activity on Human Breast Carcinoma Cell Lines," 92 J. Nat'l. Cancer Institute 1573-1582 (2000).
  • Ho, David K., Co-Author, "Mechanism of Action of the Antileukemic Xanthone Psorospermin: DNA Strand Breaks, Abasic Sites and Protein-DNA Cross-Links," 54 Cancer Research 3191-3195 (1994).
  • Ho, David K., Co-Author, "Absolute Stereochemistry of (+)-Gigantecin from Annona coriacea (Annonaceae)," 59 J. Org. Chem. 1598-1599 (1994).
  • Ho, David K., Co-Author, "Effects of Biochanin A on Metabolism, DNA-Binding, and Mutagenicity of Benzo[a]pyrene in Cultured Mammalian Cells," 12 Carcinogenesis 2001-2006 (1991).
  • Ho, David K., Co-Author, "Stereochemical Studies of the C-Methylation of Deoxycytidine Catalyzed by HhaI Methylase and the N-Methylation of Deoxyadenosine Catalyzed by EcoRI Methylase," 284 Archives of Biochemistry and Biophysics 264-269 (1991).

Professional Experience

  • Scientific research experience: Ohio State University and National Cancer Institute
  • Patent law experience: Morgan Lewis Bockius, Preston Gates, H.T. Than Law Group, Farkas & Toikka, Staas & Halsey, and Connolly Bove Lodge & Hutz.

Professional Membership

  • American Bar Association
  • American Intellectual Property Law Association
  • American Chemical Society
  • National Society of Medical Scientists – Chinese American Society
  • Chinese Biopharmaceutical Association
  • Sigma Xi (The Scientific Research Society)
  • Phi Lambda Upsilon (Honorary Chemical Society)
  • Rho Chi (Honorary Pharmacy Society)


  • Ho, David K., “Global Patent Strategy for Biomedical Scientists in Light of Patent Law Reforms in U.S.A.” Poster Presentation at the 4th Guangzhou International Conference on Stem Cell and Regenerative Medicine, Guangzhou, China (2011).
  • Ho, David K., Co-Author, "Water-Soluble Prodrug of Geldanamycin," Poster Presentation at Annual Meeting of the American Society of Pharmacognosy, Orlando, Florida (1998).
  • Ho, David K., Co-Author, "Synthesis of 17-amino-Propyl-Amino-Geldanamycin," Poster Presentation at Fort Detrick - Fredrick Cancer Research and Development Center Spring Research Festival, The National Cancer Institute, Frederick, Maryland (1998).
  • Ho, David K., Co-Author, "Geldanamycin and Derivatives: Production and Chemical Studies," Poster Presentation at National Meeting of the American Chemical Society, Washington, District of Columbia (1994).
  • Ho, David K., Co-Author, "Structure-Activity Relationships for Inhibition of Benzo[a]pyrene Activation by Mono-Substituted Flavones," Ann. Meeting of Am. Assoc. Cancer Res., San Diego, California, (1992).
  • Ho, David K., Co-Author, "Synthesis and Structure-Activity Relationship of Potential Inhibitors of Benzo[a]pyrene Carcinogenesis," Oral Presentation at International Symposium on Recent Advances in Chemistry and Molecular Biology of Cancer Research, Beijing Polytechnic Univ., Beijing (1991).
© Copyright 2020. Harvest IP Law LLP. All Rights Reserved.