US 12,679,836 · Application 17/605,975 · Granted Jul 14, 2026
US 12,679,836
4h-pyrrolo[3,2-c]pyridin-4-one compounds
Estimated expiration
November 14, 2043
17y 69d 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
- 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
- PRO62/940,036 — Provisional — not used for base term
- PRO62/838,051 — 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 17/605,975 · US 12,679,836
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www.patentreply.ai/tools/patent-expiration/US12679836Data 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.