US 12,338,536 · Application 17/182,857 · Granted Jun 24, 2025
US 12,338,536
Applied magnetic field synthesis and processing of iron nitride magnetic materials
Estimated expiration
September 5, 2036
9y 336d remaining
Earliest effective filing
Jun 29, 2015
+ 20 years
Jun 29, 2035
PTA +434d
Sep 5, 2036
No TD
—
Final
Sep 5, 2036
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
- February 23, 2021
- Earliest effective filing
- June 29, 2015
- Issue date
- June 24, 2025
- PTA
- +434 days
- Base expiry (before PTA)
- June 29, 2035
June 29, 2015 + 20 years = June 29, 2035 + 434 PTA days = September 5, 2036
- Continuation of application 15/840,747, filed Dec 13, 2017, issued as US 10,961,615
- Continuation of application 14/754,284, filed Jun 29, 2015, issued as US 9,994,949
- Continuation of application 14/754,284, filed Jun 29, 2015, issued as US 9,994,949
- PRO62/019,046 — Provisional — not used for base term
- PRO62/019,046 — Provisional — not used for base term
- PRO62/019,046 — 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 17/182,857 · US 12,338,536
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www.patentreply.ai/tools/patent-expiration/US12338536Data 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.