US 11,581,322 · Application 17/100,847 · Granted Feb 14, 2023
US 11,581,322
Three-dimensional memory devices having through array contacts and methods for forming the same
Estimated expiration
November 6, 2038
12y 31d remaining
- Could not fetch continuity data for application PCTCN2018101482: Resource not found (404)
Earliest effective filing
Aug 21, 2018
+ 20 years
Aug 21, 2038
PTA +77d
Nov 6, 2038
No TD
—
Final
Nov 6, 2038
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 21, 2020
- Earliest effective filing
- August 21, 2018
- Issue date
- February 14, 2023
- PTA
- +77 days
- Base expiry (before PTA)
- August 21, 2038
August 21, 2018 + 20 years = August 21, 2038 + 77 PTA days = November 6, 2038
- Divisional of application 16/745,342, filed Jan 17, 2020, issued as US 11,049,866
- Divisional of application 16/149,103, filed Oct 1, 2018, issued as US 10,566,336
- Continuation of application PCTCN2018101482, filed Aug 21, 2018
- Continuation of application PCTCN2018101482, filed Aug 21, 2018
- Divisional of application 16/149,103, filed Oct 1, 2018, issued as US 10,566,336
- Continuation of application PCTCN2018101482, filed Aug 21, 2018
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 17/100,847 · US 11,581,322
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www.patentreply.ai/tools/patent-expiration/US11581322Data 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.