US 11,819,523 · Application 17/098,243 · Granted Nov 21, 2023
US 11,819,523
Compositions and methods for c. difficile treatment
Estimated expiration
January 1, 2037
10y 109d remaining
Earliest effective filing
Sep 7, 2016
+ 20 years
Sep 7, 2036
PTA +116d
Jan 1, 2037
No TD
—
Final
Jan 1, 2037
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 13, 2020
- Earliest effective filing
- September 7, 2016
- Issue date
- November 21, 2023
- PTA
- +116 days
- Base expiry (before PTA)
- September 7, 2036
September 7, 2016 + 20 years = September 7, 2036 + 116 PTA days = January 1, 2037
- Continuation of application 16/313,791, filed Dec 27, 2018, issued as US 10,849,936
- National stage entry of application PCTUS2017040591, filed Jul 3, 2017
- Continuation of application 15/258,821, filed Sep 7, 2016
- National stage entry of application PCTUS2017040591, filed Jul 3, 2017
- PRO62/357,814 — Provisional — not used for base term
- PRO62/357,814 — Provisional — not used for base term
- PRO62/357,814 — Provisional — not used for base term
- PRO62/357,814 — 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 17/098,243 · US 11,819,523
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www.patentreply.ai/tools/patent-expiration/US11819523Data 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.