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###### Department of Health and Human Services

###### National Institutes of Health

# AGENCY:

National Institutes of Health, HHS.

# ACTION:

Notice.

# SUMMARY:

The inventions listed below are owned by an agency of the U.S. Government and are available for licensing in the U.S.

# FOR FURTHER INFORMATION CONTACT:

Licensing information and copies of the patent applications listed below may be obtained by emailing the indicated licensing contact at the National Heart, Lung, and Blood, Office of Technology Transfer and Development Office of Technology Transfer, 31 Center Drive Room 4A29, MSC2479, Bethesda, MD 20892-2479; telephone: 301-402-5579. A signed Confidential Disclosure Agreement may be required to receive copies of the patent applications.

# SUPPLEMENTARY INFORMATION:

This notice is in accordance with 35 U.S.C. 209 and 37 CFR part 404 to achieve commercialization of results of federally-funded research and development. Foreign patent applications are filed on selected inventions to extend market coverage for companies and may also be available for licensing. A description of the technology follows.

## Chimeric Antibodies Against Hepatitis B e-Antigen

*Description of Technology:*                     The invention relates to recombinant chimeric rabbit/human monoclonal antibody fragments (Fabs) against hepatitis B Virus e-antigen (HBeAg). Viral hepatitis is the seventh leading cause of death worldwide. Hepatitis B core antigen (HBcAg) forms an icosahedral structure containing the viral genome. Both the HBcAg and the HBeAg of interest here are expressed by two different start codons of the viral C gene. Unlike the related HBcAg which activates type 1 T helper (Th1) cells leading to immune attack, the HBeAg activates Th2 cells which promote immune tolerance. The long-term persistence of HBeAg is associated with the development of hepatocellular carcinoma. Conversely, HBeAg seroconversion (from HBeAg carrier to anti-HBeAg carrier) is a marker for successful therapy of chronically infected patients. The presently phage display engineered antibody has potential for anti-hepatitis B virus therapeutic interventions.                

*Potential Commercial Applications:*
    - Hepatitis B therapy.
    - Hepatocellular carcinoma prophylaxis.

*Development Stage:*
    - In vitro data available.

*Inventors:*                     Paul Winfield, Norman Watts, Alasdair Steven (all of NIAMS).                

*Intellectual Property:*                     HHS Reference No. E-192-2017/0-US-01.                
    - U.S. Provisional Patent Application 62/534,603 filed July 19, 2017.

*Licensing Contact:*                     Michael Shmilovich, Esq, CLP; 301-435-5019;                     *shmilovm@nih.gov*.                

*Collaborative Research Opportunity:*                     The National Institute of Environmental Health Sciences seeks statements of capability or nterest from parties interested in collaborative research to                           ( print page 53510)                        further develop and evaluate, please contact Cecilia Pazman, Ph.D., Technology Development Specialist, Office of Technology Transfer, National Heart, Lung, and Blood Institute, Phone: (301) 594-4273;                     *pazmance@nhlbi.nih.gov*.                

Dated: November 6, 2017.

Michael Shmilovich,

Senior Licensing and Patenting Manager, National Heart, Lung, and Blood Institute, Office of Technology Transfer and Development.

[FR Doc. 2017-24773 Filed 11-15-17; 8:45 am]

 BILLING CODE 4140-01-P