US 12,668,921 · Application 18/129,216 · Granted Jun 30, 2026
US 12,668,921
Flow-optimized edge treatment
Estimated expiration
December 27, 2042
16y 114d remaining
- Could not fetch continuity data for application PCTEP2021075418: Resource not found (404)
Earliest effective filing
Sep 16, 2021
+ 20 years
Sep 16, 2041
PTA +467d
Dec 27, 2042
No TD
—
Final
Dec 27, 2042
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 31, 2023
- Earliest effective filing
- September 16, 2021
- Issue date
- June 30, 2026
- PTA
- +467 days
- Base expiry (before PTA)
- September 16, 2041
September 16, 2021 + 20 years = September 16, 2041 + 467 PTA days = December 27, 2042
- Continuation of application PCTEP2021075418, filed Sep 16, 2021
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 18/129,216 · US 12,668,921
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www.patentreply.ai/tools/patent-expiration/US12668921Data 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.