US 11,410,877 · Application 17/078,677 · Granted Aug 9, 2022
US 11,410,877
Source/drain contact spacers and methods of forming same
Estimated expiration
March 26, 2039
12y 172d remaining
Earliest effective filing
Dec 12, 2018
+ 20 years
Dec 12, 2038
PTA +104d
Mar 26, 2039
No TD
—
Final
Mar 26, 2039
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
- October 23, 2020
- Earliest effective filing
- December 12, 2018
- Issue date
- August 9, 2022
- PTA
- +104 days
- Base expiry (before PTA)
- December 12, 2038
December 12, 2018 + 20 years = December 12, 2038 + 104 PTA days = March 26, 2039
- Divisional of application 16/217,676, filed Dec 12, 2018, issued as US 10,818,543
- PRO62/711,754 — Provisional — not used for base term
- PRO62/711,754 — 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
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Application 17/078,677 · US 11,410,877
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www.patentreply.ai/tools/patent-expiration/US11410877Data 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.