US 8,168,147 · Application 12/419,219 · Granted May 1, 2012
US 8,168,147
Sorbents for the oxidation and removal of mercury
Estimated expiration
August 22, 2025
Expired 413 days ago
Earliest effective filing
Aug 22, 2005
+ 20 years
Aug 22, 2025
PTA +0d
Aug 22, 2025
No TD
—
Final
Aug 22, 2025
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
- April 6, 2009
- Earliest effective filing
- August 22, 2005
- Issue date
- May 1, 2012
- PTA
- 0 days
- Base expiry (before PTA)
- August 22, 2025
August 22, 2005 + 20 years = August 22, 2025
- Continuation of application 12/201,595, filed Aug 29, 2008
- Divisional of application 11/209,163, filed Aug 22, 2005, issued as US 7,435,286
- Divisional of application 11/209,163, filed Aug 22, 2005, issued as US 7,435,286
- PRO60/605,640 — Provisional — not used for base term
- PRO60/605,640 — Provisional — not used for base term
- PRO60/605,640 — 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
The prosecution record for your AI
Application 12/419,219 · US 8,168,147
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www.patentreply.ai/tools/patent-expiration/US8168147Data 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.