US 7,073,906 · Application 11/273,096 · Granted Jul 11, 2006
US 7,073,906
Aspherical diffractive ophthalmic lens
Estimated expiration
November 14, 2025
Expired 328 days ago
Earliest effective filing
Nov 14, 2005
+ 20 years
Nov 14, 2025
PTA +0d
Nov 14, 2025
No TD
—
Final
Nov 14, 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
- November 14, 2005
- Earliest effective filing
- November 14, 2005
- Issue date
- July 11, 2006
- PTA
- 0 days
- Base expiry (before PTA)
- November 14, 2025
November 14, 2005 + 20 years = November 14, 2025
- PRO60/680,411 — 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 11/273,096 · US 7,073,906
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www.patentreply.ai/tools/patent-expiration/US7073906Data 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.