US 8,821,819 · Application 13/966,768 · Granted Sep 2, 2014
US 8,821,819
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
TD cap (US 8,512,655)
Aug 22, 2025
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. Terminal disclaimers can affect PTA (In re Cellect, LLC).
Calculation details
Base term
- Filing date
- August 14, 2013
- Earliest effective filing
- August 22, 2005
- Issue date
- September 2, 2014
- PTA
- 0 days
- Base expiry (before PTA)
- August 22, 2025
August 22, 2005 + 20 years = August 22, 2025
- Continuation of application 13/427,665, filed Mar 22, 2012, issued as US 8,512,655
- Continuation of application 12/419,219, filed Apr 6, 2009, issued as US 8,168,147
- 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
- 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
- Continuation of application 12/419,219, filed Apr 6, 2009, issued as US 8,168,147
- 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
- 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
- PRO60/605,640 — Provisional — not used for base term
- PRO60/605,640 — Provisional — not used for base term
Terminal disclaimers
TD caps expiration to August 22, 2025 (earliest expiring referenced patent: US 8,512,655)
US 3,338,005
Could not resolve calculation details
US 8,512,655· Application 13/427,665Capping patent
Sorbents for the oxidation and removal of mercury
- Filing date
- Mar 22, 2012
- Earliest effective filing
- Aug 22, 2005
- Issue date
- Aug 20, 2013
- PTA
- 0 days
- Calculated expiration
- Aug 22, 2025
Continuation of 12/419,219, filed Apr 6, 2009, issued as US 8,168,147
Continuation of 12/201,595, filed Aug 29, 2008
Divisional of 11/209,163, filed Aug 22, 2005, issued as US 7,435,286
Divisional of 11/209,163, filed Aug 22, 2005, issued as US 7,435,286
Continuation of 12/201,595, filed Aug 29, 2008
Divisional of 11/209,163, filed Aug 22, 2005, issued as US 7,435,286
Aug 22, 2005 + 20y = Aug 22, 2025
US 8,821,819· Application 13/966,768(from application 13/966,768)
Sorbents for the oxidation and removal of mercury
- Filing date
- Aug 14, 2013
- Earliest effective filing
- Aug 22, 2005
- Issue date
- Sep 2, 2014
- PTA
- 0 days
- Calculated expiration
- Aug 22, 2025
Continuation of 13/427,665, filed Mar 22, 2012, issued as US 8,512,655
Continuation of 12/419,219, filed Apr 6, 2009, issued as US 8,168,147
Continuation of 12/201,595, filed Aug 29, 2008
Divisional of 11/209,163, filed Aug 22, 2005, issued as US 7,435,286
Divisional of 11/209,163, filed Aug 22, 2005, issued as US 7,435,286
Continuation of 12/201,595, filed Aug 29, 2008
Divisional of 11/209,163, filed Aug 22, 2005, issued as US 7,435,286
Continuation of 12/419,219, filed Apr 6, 2009, issued as US 8,168,147
Continuation of 12/201,595, filed Aug 29, 2008
Divisional of 11/209,163, filed Aug 22, 2005, issued as US 7,435,286
Aug 22, 2005 + 20y = Aug 22, 2025
US 8,168,147· Application 12/419,219
Sorbents for the oxidation and removal of mercury
- Filing date
- Apr 6, 2009
- Earliest effective filing
- Aug 22, 2005
- Issue date
- May 1, 2012
- PTA
- 0 days
- Calculated expiration
- Aug 22, 2025
Continuation of 12/201,595, filed Aug 29, 2008
Divisional of 11/209,163, filed Aug 22, 2005, issued as US 7,435,286
Divisional of 11/209,163, filed Aug 22, 2005, issued as US 7,435,286
Aug 22, 2005 + 20y = Aug 22, 2025
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 13/966,768 · US 8,821,819
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www.patentreply.ai/tools/patent-expiration/US8821819Data 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.