US 12,629,425 · Application 18/590,455 · Granted May 19, 2026
US 12,629,425
Progammable polymeric drugs
Estimated expiration
June 24, 2037
10y 287d remaining
Earliest effective filing
Nov 16, 2018
+ 20 years
Nov 16, 2038
PTA +0d
Nov 16, 2038
TD cap (US 10,997,167)
Jun 24, 2037
Final
Jun 24, 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. Terminal disclaimers can affect PTA (In re Cellect, LLC).
Calculation details
Base term
- Filing date
- February 28, 2024
- Earliest effective filing
- November 16, 2018
- Issue date
- May 19, 2026
- PTA
- 0 days
- Base expiry (before PTA)
- November 16, 2038
November 16, 2018 + 20 years = November 16, 2038
- Continuation of application 16/763,922, filed May 13, 2020, issued as US 11,931,419
- National stage entry of application PCTUS2018061463, filed Nov 16, 2018
- Continuation of application PCTUS2018061463, filed Nov 16, 2018
- PRO62/587,217 — Provisional — not used for base term
- PRO62/587,217 — Provisional — not used for base term
- PRO62/587,217 — Provisional — not used for base term
Terminal disclaimers
TD caps expiration to June 24, 2037 (earliest expiring referenced patent: US 10,997,167)
US 10,997,167· Application 16/353,619Capping patent
Disambiguating join paths for natural language queries
- Filing date
- Mar 14, 2019
- Earliest effective filing
- Sep 9, 2016
- Issue date
- May 4, 2021
- PTA
- +288 days
- Calculated expiration
- Jun 24, 2037
Continuation of 15/261,556, filed Sep 9, 2016, issued as US 10,282,444
Sep 9, 2016 + 20y + 288d PTA = Jun 24, 2037
US 11,931,419· Application 16/763,922
Programmable polymeric drugs
- Filing date
- May 13, 2020
- Earliest effective filing
- Nov 16, 2018
- Issue date
- Mar 19, 2024
- PTA
- +366 days
- Calculated expiration
- Nov 17, 2039
National stage entry of PCTUS2018061463, filed Nov 16, 2018
Nov 16, 2018 + 20y + 366d PTA = Nov 17, 2039
US 12,629,425· Application 18/590,455(from application 18/590,455)
Progammable polymeric drugs
- Filing date
- Feb 28, 2024
- Earliest effective filing
- Nov 16, 2018
- Issue date
- May 19, 2026
- PTA
- 0 days
- Calculated expiration
- Nov 16, 2038
Continuation of 16/763,922, filed May 13, 2020, issued as US 11,931,419
National stage entry of PCTUS2018061463, filed Nov 16, 2018
Continuation of PCTUS2018061463, filed Nov 16, 2018
Nov 16, 2018 + 20y = Nov 16, 2038
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
The prosecution record for your AI
Application 18/590,455 · US 12,629,425
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www.patentreply.ai/tools/patent-expiration/US12629425Data 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.