• Slavcev, R. and N. Nafissi. 2016. DNA Vector System. US9290778
  • Slavcev, R. and J. Nicastro. 2014. A Fine-tuned Lytic Phage Display System. USPTO serial #: 61/815467 (Filed April 14th, 2014)
  • Slavcev, R. and N. Nafissi. 2014. In vivo linear covalently closed DNA vector production system. USPTO serial # US 20140206037 A1 (Filed Nov. 22, 2013)
  • Slavcev, R., Kaur, T., Nafissi, N. and S. Wettig. 2010. Safe and Efficient Gene Therapeutics: A Novel Polyplexed Mini-Linear Covalently Closed Transgene Delivery System with Application to Cancer Gene Therapy. USPTO serial #: 61/344,851. (Provisional Abandoned)