US 11410877 — Patent Expiration

Source/Drain Contact Spacers and Methods of Forming Same

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Important: This calculator does not include patent term extension under 35 U.S.C. § 156, which may apply to certain drug, biologic, animal drug, and medical device patents.

Learn more about PTE and patent expiration

US 11410877

Source/drain Contact Spacers And Methods Of Forming Same

High Confidence

Application No. 17078677

March 26, 2039

12y 268d 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 Calculation

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 16217676, filed Dec 12, 2018, issued as US 10818543

PRO

62711754 — Provisional — not used for base term

PRO

62711754 — Provisional — not used for base term

Terminal Disclaimer Analysis

No TD

0 approved, 0 filed

Data 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.