US 12,594,234 · Application 18/026,681 · Granted Apr 7, 2026
US 12,594,234
Novel use of an epilobium fleischeri extract
Estimated expiration
February 15, 2043
16y 154d remaining
- Could not fetch continuity data for application PCTEP2021075559: Resource not found (404)
Earliest effective filing
Sep 17, 2021
+ 20 years
Sep 17, 2041
PTA +516d
Feb 15, 2043
No TD
—
Final
Feb 15, 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
- March 16, 2023
- Earliest effective filing
- September 17, 2021
- Issue date
- April 7, 2026
- PTA
- +516 days
- Base expiry (before PTA)
- September 17, 2041
September 17, 2021 + 20 years = September 17, 2041 + 516 PTA days = February 15, 2043
- National stage entry of application PCTEP2021075559, filed Sep 17, 2021
- PRO63/083,344 — Provisional — not used for base term
- PRO63/093,438 — 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 18/026,681 · US 12,594,234
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www.patentreply.ai/tools/patent-expiration/US12594234Data 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.