Inventor · disambiguated record
Pieter R. Cullis
Also filed as: CULLIS PIETER · CULLIS PIETER R · CULLIS PIETER RUTTER
72 granted patents·40 pending applications·11,873 citations·filing 1985–2025
99Inventor score
Files withUNIV BRITISH COLUMBIA47LIPOSOME CO INC26INEX PHARMACEUTICALS CORP13TEKMIRA PHARMACEUTICALS CORP5ARBUTUS BIOPHARMA CORP4
Top patents by PatentIndex Score
112 records- 0199US6815432B2Methods for encapsulating plasmids in lipid bilayersINEX PHARMACEUTICALS CORP·Filed 2003·Granted Nov 9, 2004·643 cites·20 claims
- 0299US6534484B1Methods for encapsulating plasmids in lipid bilayersINEX PHARMACEUTICALS CORP·Filed 1999·Granted Mar 18, 2003·591 cites·18 claims
- 0399US5981501AMethods for encapsulating plasmids in lipid bilayersINEX PHARMACEUTICALS CORP·Filed 1995·Granted Nov 9, 1999·598 cites·29 claims
- 0499US5204112AInduction of asymmetry in vesiclesLIPOSOME CO INC·Filed 1987·Granted Apr 20, 1993·257 cites·28 claims
- 0599US5008050AExtrusion technique for producing unilamellar vesiclesLIPOSOME CO INC·Filed 1989·Granted Apr 16, 1991·370 cites·29 claims
- 0698US7811602B2Liposomal formulations comprising dihydrosphingomyelin and methods of use thereofTEKMIRA PHARMACEUTICALS CORP·Filed 2005·Granted Oct 12, 2010·95 cites·18 claims
- 0798US6858225B2Lipid-encapsulated polyanionic nucleic acidINEX PHARMACEUTICALS CORP·Filed 2001·Granted Feb 22, 2005·433 cites·21 claims
- 0898US6586410B1Lipid-nucleic acid particles prepared via a hydrophobic lipid-nucleic acid complex intermediate and use for gene transferINEX PHARMACEUTICALS CORP·Filed 2000·Granted Jul 1, 2003·515 cites·29 claims
- 0998US6287591B1Charged therapeutic agents encapsulated in lipid particles containing four lipid componentsINEX PHARMACEUTICALS CORP·Filed 1998·Granted Sep 11, 2001·334 cites·72 claims
- 1098US5976567ALipid-nucleic acid particles prepared via a hydrophobic lipid-nucleic acid complex intermediate and use for gene transferINEX PHARMACEUTICALS CORP·Filed 1996·Granted Nov 2, 1999·791 cites·29 claims
- 1198US5885613ABilayer stabilizing components and their use in forming programmable fusogenic liposomesUNIV BRITISH COLUMBIA·Filed 1995·Granted Mar 23, 1999·764 cites·31 claims
- 1298US5595756ALiposomal compositions for enhanced retention of bioactive agentsINEX PHARMACEUTICALS CORP·Filed 1993·Granted Jan 21, 1997·1.3k cites·10 claims
- 1398US5399331AMethod for protein-liposome couplingLIPOSOME CO INC·Filed 1992·Granted Mar 21, 1995·697 cites·25 claims
- 1498US4880635ADehydrated liposomesLIPOSOME CO INC·Filed 1985·Granted Nov 14, 1989·370 cites·9 claims
- 1597US8021686B2Lipid-encapsulated polyanionic nucleic acidUNIV BRITISH COLUMBIA·Filed 2008·Granted Sep 20, 2011·63 cites·15 claims
- 1697US7341738B2Lipid-encapsulated polyanionic nucleic acidUNIV BRITISH COLUMBIA·Filed 2003·Granted Mar 11, 2008·117 cites·26 claims
- 1797US5077056AEncapsulation of antineoplastic agents in liposomesLIPOSOME CO INC·Filed 1988·Granted Dec 31, 1991·293 cites·20 claims
- 1896US10653780B2Amino lipids and methods for the delivery of nucleic acidsARBUTUS BIOPHARMA CORP·Filed 2015·Granted May 19, 2020·28 cites·20 claims
- 1996US7422902B1Lipid-nucleic acid particles prepared via a hydrophobic lipid-nucleic acid complex intermediate and use for gene transferUNIV BRITISH COLUMBIA·Filed 1999·Granted Sep 9, 2008·242 cites·28 claims
- 2096US6852334B1Cationic peg-lipids and methods of useUNIV BRITISH COLUMBIA·Filed 2000·Granted Feb 8, 2005·90 cites·43 claims
- 2196US6835395B1Composition containing small multilamellar oligodeoxynucleotide-containing lipid vesiclesUNIV BRITISH COLUMBIA·Filed 2000·Granted Dec 28, 2004·171 cites·9 claims
- 2296US5059421APreparation of targeted liposome systems of a defined size distributionLIPOSOME CO INC·Filed 1989·Granted Oct 22, 1991·220 cites·68 claims
- 2396US4975282AMultilamellar liposomes having improved trapping efficienciesLIPOSOME CO INC·Filed 1987·Granted Dec 4, 1990·207 cites·28 claims
- 2495US9943846B2Limit size lipid nanoparticles and related methodsUNIV BRITISH COLUMBIA·Filed 2016·Granted Apr 17, 2018·21 cites·23 claims
- 2595US9139554B2Amino lipids and methods for the delivery of nucleic acidsHOPE MICHAEL J·Filed 2009·Granted Sep 22, 2015·113 cites·1 claims
- 2695US5736155AEncapsulation of antineoplastic agents in liposomesLIPOSOME CO INC·Filed 1995·Granted Apr 7, 1998·181 cites·6 claims
- 2794US10843194B2Microfluidic mixing devices and systemsUNIV BRITISH COLUMBIA·Filed 2018·Granted Nov 24, 2020·5 cites·21 claims
- 2894US10041091B2Nucleic acid-containing lipid particles and related methodsUNIV BRITISH COLUMBIA·Filed 2017·Granted Aug 7, 2018·14 cites·20 claims
- 2994US7189705B2Methods of enhancing SPLP-mediated transfection using endosomal membrane destabilizersUNIV BRITISH COLUMBIA·Filed 2001·Granted Mar 13, 2007·93 cites·62 claims
- 3094US5795589ALiposomal antineoplastic agent compositionsLIPOSOME CO INC·Filed 1997·Granted Aug 18, 1998·146 cites·31 claims
- 3194US5616334ALow toxicity drug-lipid systemsLIPOSOME CO INC·Filed 1995·Granted Apr 1, 1997·102 cites·23 claims
- 3293US7094423B1Methods for preparation of lipid-encapsulated therapeutic agentsINEX PHARMACEUTICALS CORP·Filed 2000·Granted Aug 22, 2006·44 cites·20 claims
- 3393US6759057B1Methods and compositions using liposome-encapsulated non-steroidal anti-inflammatory drugsLIPOSOME CO INC·Filed 1989·Granted Jul 6, 2004·122 cites·16 claims
- 3493US5785987AMethod for loading lipid vesiclesUNIV BRITISH COLUMBIA·Filed 1996·Granted Jul 28, 1998·133 cites·12 claims
- 3593US5552155AFusogenic lipsomes and methods for making and using sameLIPOSOME CO INC·Filed 1994·Granted Sep 3, 1996·180 cites·17 claims
- 3692US6417326B1Fusogenic liposomesUNIV BRITISH COLUMBIA·Filed 1997·Granted Jul 9, 2002·118 cites·3 claims
- 3792US6406713B1Methods of preparing low-toxicity drug-lipid complexesLIPOSOME CO INC·Filed 1995·Granted Jun 18, 2002·134 cites·11 claims
- 3891US9758795B2Nucleic acid-containing lipid particles and related methodsCULLIS PIETER R·Filed 2012·Granted Sep 12, 2017·33 cites·23 claims
- 3991US7223887B2Multivalent cationic lipids and methods of using same in the production of lipid particlesUNIV BRITISH COLUMBIA·Filed 2002·Granted May 29, 2007·36 cites·21 claims
- 4091US5922350AMethods of dehydrating, storing and rehydrating liposomesLIPOSOME CO INC·Filed 1997·Granted Jul 13, 1999·82 cites·17 claims
- 4191US5616341AHigh drug:lipid formulations of liposomal antineoplastic agentsLIPOSOME CO INC·Filed 1993·Granted Apr 1, 1997·95 cites·16 claims
- 4291US4885172AComposition for targeting, storing and loading of liposomesLIPOSOME CO INC·Filed 1986·Granted Dec 5, 1989·114 cites·25 claims
- 4390US5837282AIonophore-mediated liposome loadingUNIV BRITISH COLUMBIA·Filed 1996·Granted Nov 17, 1998·168 cites·25 claims
- 4490US5409704ALiposomes comprising aminoglycoside phosphates and methods of production and useLIPOSOME CO INC·Filed 1993·Granted Apr 25, 1995·103 cites·17 claims
- 4588US12233416B2Limit size lipid nanoparticles and related methodsUNIV BRITISH COLUMBIA·Filed 2023·Granted Feb 25, 2025·0 cites·19 claims
- 4687US11865190B2Compositions and systems comprising transfection-competent vesicles free of organic-solvents and detergents and methods related theretoUNIV BRITISH COLUMBIA·Filed 2022·Granted Jan 9, 2024·2 cites·3 claims
- 4787US11648556B2Limit size lipid nanoparticles and related methodsUNIV BRITISH COLUMBIA·Filed 2020·Granted May 16, 2023·1 cites·20 claims
- 4887US7273620B1Triggered release of liposomal drugs following mixing of cationic and anionic liposomesUNIV BRITISH COLUMBIA·Filed 2003·Granted Sep 25, 2007·35 cites·14 claims
- 4987US5578320AMethod of dehydrating liposomes using protective sugarsLIPOSOME CO INC·Filed 1993·Granted Nov 26, 1996·65 cites·7 claims
- 5087US5171578AComposition for targeting, storing and loading of liposomesLIPOSOME CO INC·Filed 1991·Granted Dec 15, 1992·69 cites·4 claims
Showing the top 50 of 112 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Pieter R. Cullis files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →