US 12,412,686 · Application 18/348,830 · Granted Sep 9, 2025
US 12,412,686
Iron nitride permanent magnet and technique for forming iron nitride permanent magnet
Estimated expiration
September 5, 2032
5y 335d remaining
Earliest effective filing
Aug 17, 2012
+ 20 years
Aug 17, 2032
PTA +19d
Sep 5, 2032
No TD
—
Final
Sep 5, 2032
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
- July 7, 2023
- Earliest effective filing
- August 17, 2012
- Issue date
- September 9, 2025
- PTA
- +19 days
- Base expiry (before PTA)
- August 17, 2032
August 17, 2012 + 20 years = August 17, 2032 + 19 PTA days = September 5, 2032
- Divisional of application 16/003,428, filed Jun 8, 2018, issued as US 11,742,117
- Divisional of application 14/238,835, filed Jun 9, 2014, issued as US 10,068,689
- National stage entry of application PCTUS2012051382, filed Aug 17, 2012
- National stage entry of application PCTUS2012051382, filed Aug 17, 2012
- Divisional of application 14/238,835, filed Jun 9, 2014, issued as US 10,068,689
- National stage entry of application PCTUS2012051382, filed Aug 17, 2012
- PRO61/524,423 — Provisional — not used for base term
- PRO61/524,423 — Provisional — not used for base term
- PRO61/524,423 — Provisional — not used for base term
- PRO61/524,423 — 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 18/348,830 · US 12,412,686
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www.patentreply.ai/tools/patent-expiration/US12412686Data 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.