- Patent Filed: 61/328,339, Method of Producing Antigen-Specific Cells, Filed, April 2010.
- Patent Filed: 61/327,168, Multi-Layered Hydrogel Constructs and Associated Methods, April 2010.
- Patent Filed: 12/720,546, Enhancement of Polysaccharide-Mediated Nucleic Acid Delivery, March 9, 2010.
- Patent Filed: USPTO No: 2010/031866, Hydrogels for Combinatorial Delivery of Immune- Modulating Bio Molecules, April 2010.
- Patent filed: 61/338,634, Modified Chitosan for Delivery of Drugs or Imaging Agents, February 2010.
- Patent Filed: USPTO No: 2010/0010102 Triggered release of drugs from polymer particles, July 9, 2009.
- Patent Filed: USPTO 2007/0014752 Surface functionalization of polymeric materials , July 7, 2006.
- Patent Filed: USPTO 2007/0031505 Methods for fabricating nano and microparticles for drug delivery, May 5, 2006.
- Provisional Patent Filed: 065715.0114 (OTC-5009-Roy) Systems and Methods for the Production of Differentiated Cells, April 2005.
- Patent Filed: USPTO 2004/0147466 Nucleic acid delivery formulations.
- US Patent No. 6,475,995, Awarded Nov 5, 2002 Oral Delivery of Nucleic Acid Vaccines byParticulate Complexes.
- U. S. Patent No. 5,972,707, Awarded Oct 26, 1999 Gene Delivery System.