Friday, July 10, 2026

Patent intelligence · US

US 8507463

Nucleotide analogue prodrug and the preparation thereof

granted A61KA61K31/675A61K9/0019A61K9/0056
Status granted
Linked drugs 1
Pipeline programs 6
Years to expiry 7
Applicant portfolio 57
Patent details — US 8507463

Quick answer

US 8507463 (Nucleotide analogue prodrug and the preparation thereof) is held by BrightGene Bio-Medical Technology Co., Ltd.. Status: granted. Granted Aug 13, 2013. Expires Aug 8, 2033 (7 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
4
CPC classes
A61K, A61K31/675, A61K9/0019, A61K9/0056, A61K9/2009, A61K9/2027

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Frequently asked questions

What is US patent 8507463?

US 8507463 (Nucleotide analogue prodrug and the preparation thereof) is held by BrightGene Bio-Medical Technology Co., Ltd.. Status: granted. Granted Aug 13, 2013. Expires Aug 8, 2033 (7 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 8507463?

BrightGene Bio-Medical Technology Co., Ltd. is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 57 pharmaceutical patents for this assignee.

When does US 8507463 expire?

Our index shows an expiration date of Aug 8, 2033 (7 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.