US 12,708,663 · Application 18/036,631 · Granted Aug 18, 2026
US 12,708,663
Influenza virus encoding a truncated ns1 protein and a sars-cov receptor binding domain
Estimated expiration
July 3, 2043
16y 302d remaining
Earliest effective filing
Nov 17, 2021
+ 20 years
Nov 17, 2041
PTA +593d
Jul 3, 2043
No TD
—
Final
Jul 3, 2043
This calculation includes patent term adjustment (PTA) under 35 U.S.C. §154(b). Patent term extension (PTE) under 35 U.S.C. §156 (for FDA-regulated products) is not included.
Calculation details
Base term
- Filing date
- May 11, 2023
- Earliest effective filing
- November 17, 2021
- Issue date
- August 18, 2026
- PTA
- +593 days
- Base expiry (before PTA)
- November 17, 2041
November 17, 2021 + 20 years = November 17, 2041 + 593 PTA days = July 3, 2043
- National stage entry of application PCTUS2021059788, filed Nov 17, 2021
- PRO63/114,941 — Provisional — not used for base term
- PRO63/114,941 — Provisional — not used for base term
Terminal disclaimers
Patent term extension under 35 U.S.C. §156, which can apply to certain drug, biologic, animal drug and medical device patents, is not included in this calculation. How PTE is calculated
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Application 18/036,631 · US 12,708,663
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www.patentreply.ai/tools/patent-expiration/US12708663Data sourced from public USPTO records. This tool provides informational estimates and should not be relied upon as legal advice. Always verify patent expiration dates independently, especially where patent term extension, terminal disclaimers, or unusual continuity issues may apply.