US 12,362,082 · Application 17/611,680 · Granted Jul 15, 2025
US 12,362,082
Coercivity-enhanced iron nitride nanoparticles with high saturation magnetization
Estimated expiration
February 21, 2042
15y 141d remaining
Earliest effective filing
May 22, 2020
+ 20 years
May 22, 2040
PTA +640d
Feb 21, 2042
No TD
—
Final
Feb 21, 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
- November 16, 2021
- Earliest effective filing
- May 22, 2020
- Issue date
- July 15, 2025
- PTA
- +640 days
- Base expiry (before PTA)
- May 22, 2040
May 22, 2020 + 20 years = May 22, 2040 + 640 PTA days = February 21, 2042
- National stage entry of application PCTUS2020034331, filed May 22, 2020
- PRO62/851,190 — Provisional — not used for base term
- PRO62/851,190 — 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 17/611,680 · US 12,362,082
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www.patentreply.ai/tools/patent-expiration/US12362082Data 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.