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For the Inventor, By the Inventor

Burnaby, Canada

Arbutus Biopharma Corporation


USPTO Granted Patents = 57

% Expired Patents = 22.8



Trademarks = 2

Forward Citations = 363

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79 inventors (with patents filed for the assignee):

goldMedal Kallanthottathil G Rajeev (19 out of 199 patents)

silverMedal Muthusamy Jayaraman (19 out of 65 patents)

bronzeMedal Muthiah Manoharan (18 out of 327 patents)

4.  James Heyes (13 out of 31 patents)

5.  David Butler (11 out of 37 patents)

6.  Mark Wood (10 out of 19 patents)

7.  Laxman Eltepu (10 out of 12 patents)

8.  Bruce D Dorsey (9 out of 54 patents)

9.  Jayaprakash K Nair (7 out of 43 patents)

10.  Ian MacLachlan (7 out of 50 patents)

11.  Jianxin Chen (7 out of 15 patents)

12.  Lorne Ralph Palmer (7 out of 29 patents)

13.  Alan Martin (6 out of 10 patents)

14.  Richard James Holland (6 out of 12 patents)

15.  Steven Ansell (6 out of 8 patents)


Core Competencies:
Lipid Nanoparticles
Cationic Lipids
Nucleic Acid Delivery
Therapeutic Agents
Targeted Compositions
Liposomal Apparatus
Messenger RNA
Infusion Reactions
Antiviral Agents
CRISPR Therapeutics
Lipid Formulations
Silencing Hepatitis B

57 patents:

1. 12453776 - Lipids and compositions for the delivery of therapeutics (2025-10-28),
2. 12357705 - Negatively charged peg-lipid conjugates (2025-07-15),
3. 12350383 - Cationic lipids containing silicon (2025-07-08),
4. 12251470 - Lipid nanoparticle formulations (2025-03-18),
5. 12129467 - Non-liposomal systems for nucleic acid delivery (2024-10-29),
6. 12083118 - Substituted 1,1'-biphenyl compounds, analogues thereof, and methods using same (2024-09-10),
7. 12043833 - Targeted compositions (2024-07-23),
8. 12042541 - Lipids and compositions for the delivery of therapeutics (2024-07-23),
9. 12023383 - Lipid compositions (2024-07-02),
10. 12016929 - Lipid formulations for delivery of therapeutic agents (2024-06-25),
11. 11904052 - Methods for ameliorating infusion reactions (2024-02-20),
12. 11896672 - Targeted nucleic acid conjugate compositions (2024-02-13),
13. 11786598 - Lipid formulations for delivery of therapeutic agents (2023-10-17),
14. 11718852 - Non-liposomal systems for nucleic acid delivery (2023-08-08),
15. 11712476 - Lipids and compositions for the delivery of therapeutics (2023-08-01),
Company Overview
Arbutus Biopharma Corporation, headquartered in Burnaby, Canada, specializes in the development of innovative lipid nanoparticle formulations for the delivery of therapeutic agents. The company focuses on advancing technologies related to cationic lipids and nucleic acid delivery systems, with applications in messenger RNA and targeted compositions. Arbutus is dedicated to addressing complex medical challenges through its expertise in liposomal apparatus and infusion reactions, aiming to enhance treatment efficacy and patient outcomes.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

Arbutus Biopharma Corporation USPTO Patent Assignee Logo
57 Patents

#7 in Burnaby

#239 in Canada

#12,573 in the World

Burnaby, CA
Burnaby, Canada

Arbutus Biopharma Corporation

Forward Citations = 363

79 inventors:

goldMedal Kallanthottathil G Rajeev (19 out of 199 patents)

silverMedal Muthusamy Jayaraman (19 out of 65 patents)

bronzeMedal Muthiah Manoharan (18 out of 327 patents)

4.  James Heyes (13 out of 31 patents)

5.  David Butler (11 out of 37 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Arbutus Biopharma Corporation. Retrieved from https://idiyas.com/company/arbutus-biopharma

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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