US 7,727,299 · Application 11/509,273 · Granted Jun 1, 2010
US 7,727,299
Extended surface pleat air filter
Estimated expiration
August 24, 2026
Expired 35 days ago
Earliest effective filing
Aug 24, 2006
+ 20 years
Aug 24, 2026
PTA +0d
Aug 24, 2026
No TD
—
Final
Aug 24, 2026
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
- August 24, 2006
- Earliest effective filing
- August 24, 2006
- Issue date
- June 1, 2010
- PTA
- 0 days
- Base expiry (before PTA)
- August 24, 2026
August 24, 2006 + 20 years = August 24, 2026
Continuity chain
No continuity chain; the patent’s own filing date was used.
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 11/509,273 · US 7,727,299
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www.patentreply.ai/tools/patent-expiration/US7727299Data 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.