US 12679836 — Patent Expiration

4H-PYRROLO[3,2-C]PYRIDIN-4-ONE COMPOUNDS

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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 how PTE is calculated

US 12679836

4h-pyrrolo[3,2-c]pyridin-4-one Compounds

High Confidence

Application No. 17605975

November 14, 2043

17y 114d remaining

Could not fetch continuity data for application PCTEP2020061176: Resource not found (404)

Earliest effective filing

Apr 22, 2020

+ 20 years

Apr 22, 2040

PTA +1301d

Nov 14, 2043

No TD

—

Final

Nov 14, 2043

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 22, 2021

Earliest Effective Filing

April 22, 2020

Issue Date

July 14, 2026

PTA

+1301 days

Base Expiry (before PTA)

April 22, 2040

April 22, 2020 + 20 years = April 22, 2040 + 1301 PTA days = November 14, 2043

National Stage Entry of application PCTEP2020061176, filed Apr 22, 2020

PRO

62940036 — Provisional — not used for base term

PRO

62838051 — Provisional — not used for base term

Terminal Disclaimer Analysis

No TD

0 approved, 0 filed

Who owns this patent?

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.