US 8,311,809 · Application 10/552,772 · Granted Nov 13, 2012
US 8,311,809
Converting decoded sub-band signal into a stereo signal
Estimated expiration
December 9, 2028
2y 92d remaining
- Could not fetch continuity data for application PCTIB2004050436: Resource not found (404)
Earliest effective filing
Apr 14, 2004
+ 20 years
Apr 14, 2024
PTA +1700d
Dec 9, 2028
No TD
—
Final
Dec 9, 2028
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
- October 12, 2005
- Earliest effective filing
- April 14, 2004
- Issue date
- November 13, 2012
- PTA
- +1700 days
- Base expiry (before PTA)
- April 14, 2024
April 14, 2004 + 20 years = April 14, 2024 + 1700 PTA days = December 9, 2028
- National stage entry of application PCTIB2004050436, filed Apr 14, 2004
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 10/552,772 · US 8,311,809
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www.patentreply.ai/tools/patent-expiration/US8311809Data 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.