Laurence Posorske

Hunton Andrews Kurth LLP

Laurence H. Posorske, PhD’s practice focuses on the representation of technology-based companies of all sizes. Larry’s practice focuses on representation of technology-based companies of all sizes in matters relating to patents and technology licenses, and strategic counseling on structure and enforcement of intellectual property portfolios.

He has legal and patent experience with novel proteins and recombinant DNA; monoclonal antibodies, novel organisms, including transgenic animals, gene therapy, genomics, hormonal and other cellular control mechanisms; biopharmaceuticals; antimicrobial and cancer therapeutics; imaging and diagnostics, including immunoassays, medical devices, plant cell and microbial fermentation methods and equipment; inorganic pigments; metal casting; papermaking; industrial sanitation; and environmental controls. In addition, Larry has significant research experience in the fields of enzymology, biotechnology, food processing, papermaking, and biomass-to-energy conversion, as an industrial research scientist.


  • Prepare and prosecute domestic and international patent applications, including re-examination, interference and appeals.
  • Oppose and defend over 25 patent Oppositions before five different jurisdictions, including the European, Japanese and Korean Patent Offices.
  • Draft and negotiate patent and technology licenses and joint development agreements for medical devices, diagnostic techniques and nutritional products.
  • Provide Patentability, Patent Validity and Infringement Opinions.
  • Portfolio analysis for investment purposes, representing venture capitalist investors, as well as target companies.


  • JD, Georgetown University Law Center, 1992
  • PhD, Cornell University, Major: Biochemistry; Minor: Physical Chemistry, 1976
  • BA, Biochemistry, University of Wisconsin, Honors Degree, 1970


  • District of Columbia
  • Maryland
  • US Patent and Trademark Office


  • Member, American Bar Association
  • Member, American Intellectual Property Law Association
  • Member, American Chemical Society
  • Member, Institute of Food Technologists
  • Member, Technical Association of the Pulp and Paper Industry


Rate : $$$

What types of cases Attorney Laurence Posorske & Hunton Andrews Kurth LLP can handle?
Hunton Andrews Kurth LLP can handle cases related to laws concerning Health Care, Intellectual Property, International Law. We manually verify each attorney’s practice areas before approving their profiles and reviews on our website.
Where is Hunton Andrews Kurth LLP located?
Hunton Andrews Kurth LLP is located at The Avenue, 2200 Pennsylvania Ave NW, Washington, DC 20052, USA. You can reach out to Hunton Andrews Kurth LLP using their phone line 202 419 2080. You can also check their website or email them at [email protected].
How much would it cost to hire Hunton Andrews Kurth LLP?
Laurence Posorske lawyer charges are specific to each case. However, they work with contingency fees and its ranges from $$ to $$$. They also provide free consultation [and no obligation quotes] if you are interested to hire.
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Hunton Andrews Kurth LLP
The Avenue, 2200 Pennsylvania Ave NW, Washington, DC 20052, USA
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