Wednesday, July 8, 2026

Patent intelligence · US

US 9636301

In vitro release assay for liposome encapsulated vincristine

granted A61KA61K31/439A61K9/1275
Status granted
Linked drugs 1
Pipeline programs 6
Years to expiry 11
Applicant portfolio 56
Patent details — US 9636301

Quick answer

US 9636301 (In vitro release assay for liposome encapsulated vincristine) is held by ARBUTUS BIOPHARMA CORPORATION. Status: granted. Granted May 2, 2017. Expires Apr 27, 2037 (11 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
15
CPC classes
A61K, A61K31/439, A61K9/1275

More from ARBUTUS BIOPHARMA CORPORATION

Related pharmaceutical patents in our USPTO index.

  1. US 12357705

    Negatively charged peg-lipid conjugates

    ARBUTUS BIOPHARMA CORPORATION · Expires Jul 10, 2045

    granted
  2. US 12350383

    Cationic lipids containing silicon

    ARBUTUS BIOPHARMA CORPORATION · Expires Jul 3, 2045

    granted
  3. US 12251470

    Lipid nanoparticle formulations

    ARBUTUS BIOPHARMA CORPORATION · Expires Mar 13, 2045

    granted
  4. US 12129467

    Non-liposomal systems for nucleic acid delivery

    ARBUTUS BIOPHARMA CORPORATION · Expires Oct 24, 2044

    granted
  5. US 12083118

    Substituted 1,1′-biphenyl compounds, analogues thereof, and methods using same

    ARBUTUS BIOPHARMA CORPORATION · Expires Sep 5, 2044

    granted
  6. US 12043833

    Targeted compositions

    ARBUTUS BIOPHARMA CORPORATION · Expires Jul 18, 2044

    granted
  7. US 12042541

    Lipids and compositions for the delivery of therapeutics

    ARBUTUS BIOPHARMA CORPORATION · Expires Jul 18, 2044

    granted
  8. US 12023383

    Lipid compositions

    ARBUTUS BIOPHARMA CORPORATION · Expires Jun 27, 2044

    granted

Frequently asked questions

What is US patent 9636301?

US 9636301 (In vitro release assay for liposome encapsulated vincristine) is held by ARBUTUS BIOPHARMA CORPORATION. Status: granted. Granted May 2, 2017. Expires Apr 27, 2037 (11 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 9636301?

ARBUTUS BIOPHARMA CORPORATION is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 56 pharmaceutical patents for this assignee.

When does US 9636301 expire?

Our index shows an expiration date of Apr 27, 2037 (11 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.