US 10,182,831 · Application 14/151,932 · Granted Jan 22, 2019
US 10,182,831
Instruments and method for preparing an intervertebral space for receiving an artificial disc implant
Estimated expiration
June 18, 2026
Expired 104 days ago
Earliest effective filing
Apr 28, 2003
+ 20 years
Apr 28, 2023
PTA +1147d
Jun 18, 2026
No TD
—
Final
Jun 18, 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
- January 10, 2014
- Earliest effective filing
- April 28, 2003
- Issue date
- January 22, 2019
- PTA
- +1147 days
- Base expiry (before PTA)
- April 28, 2023
April 28, 2003 + 20 years = April 28, 2023 + 1147 PTA days = June 18, 2026
- Divisional of application 11/744,013, filed May 3, 2007, issued as US 8,663,229
- Divisional of application 10/423,879, filed Apr 28, 2003, issued as US 7,491,204
- Divisional of application 10/423,879, filed Apr 28, 2003, issued as US 7,491,204
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 14/151,932 · US 10,182,831
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www.patentreply.ai/tools/patent-expiration/US10182831Data 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.