US 12,754,371 · Application 17/957,913 · Granted Oct 6, 2026
US 12,754,371
Substrate and method for modifying at least one region of a surface or a portion of a substrate
Estimated expiration
December 13, 2044
18y 45d remaining
Earliest effective filing
Sep 30, 2022
+ 20 years
Sep 30, 2042
PTA +805d
Dec 13, 2044
No TD
—
Final
Dec 13, 2044
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
- September 30, 2022
- Earliest effective filing
- September 30, 2022
- Issue date
- October 6, 2026
- PTA
- +805 days
- Base expiry (before PTA)
- September 30, 2042
September 30, 2022 + 20 years = September 30, 2042 + 805 PTA days = December 13, 2044
Continuity chain
No continuity chain; the patent’s own filing date was used.
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
The prosecution record for your AI
Application 17/957,913 · US 12,754,371
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www.patentreply.ai/tools/patent-expiration/US12754371Data 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.