US 6,891,807 · Application 10/341,847 · Granted May 10, 2005
US 6,891,807
Time based wireless access provisioning
Estimated expiration
April 17, 2023
Expired 1270 days ago
Earliest effective filing
Jan 13, 2003
+ 20 years
Jan 13, 2023
PTA +94d
Apr 17, 2023
No TD
—
Final
Apr 17, 2023
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
- January 13, 2003
- Earliest effective filing
- January 13, 2003
- Issue date
- May 10, 2005
- PTA
- +94 days
- Base expiry (before PTA)
- January 13, 2023
January 13, 2003 + 20 years = January 13, 2023 + 94 PTA days = April 17, 2023
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 10/341,847 · US 6,891,807
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www.patentreply.ai/tools/patent-expiration/US6891807Data 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.