Wednesday, July 8, 2026

Patent intelligence · US

US 8747859

Porcine reproductive and respiratory syndrome vaccine based on isolate JA-142

granted A61KA61K2039/5254A61K2039/552A61K39/00
Status granted
Linked drugs 1
Pipeline programs 6
Years to expiry 8
Applicant portfolio 3,720
Related coverage 1
Patent details — US 8747859

Quick answer

US 8747859 (Porcine reproductive and respiratory syndrome vaccine based on isolate JA-142) is held by The United States of America, as represented by the Secretary of Agriculture. Status: granted. Granted Jun 10, 2014. Expires Jun 5, 2034 (8 years remaining) — relevant for patent-cliff and LOE planning.

Key facts

Grant date
Expiration
Claims
19
CPC classes
A61K, A61K2039/5254, A61K2039/552, A61K39/00, A61K39/12, A61P

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Frequently asked questions

What is US patent 8747859?

US 8747859 (Porcine reproductive and respiratory syndrome vaccine based on isolate JA-142) is held by The United States of America, as represented by the Secretary of Agriculture. Status: granted. Granted Jun 10, 2014. Expires Jun 5, 2034 (8 years remaining) — relevant for patent-cliff and LOE planning.

Who owns US 8747859?

The United States of America, as represented by the Secretary of Agriculture is listed as the applicant in USPTO PatentsView records indexed by NovaPharmaNews. We track 3,720 pharmaceutical patents for this assignee.

When does US 8747859 expire?

Our index shows an expiration date of Jun 5, 2034 (8 years from today). Confirm material dates against USPTO, FDA Orange Book, or qualified counsel before contractual decisions.