US 12,647,026 · Application 18/212,331 · Granted Jun 2, 2026
US 12,647,026
Dc/dc converter with a charge pump sub-circuit for boost or buck mode
Estimated expiration
April 16, 2044
17y 195d remaining
Earliest effective filing
Jun 21, 2023
+ 20 years
Jun 21, 2043
PTA +300d
Apr 16, 2044
No TD
—
Final
Apr 16, 2044
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
- June 21, 2023
- Earliest effective filing
- June 21, 2023
- Issue date
- June 2, 2026
- PTA
- +300 days
- Base expiry (before PTA)
- June 21, 2043
June 21, 2023 + 20 years = June 21, 2043 + 300 PTA days = April 16, 2044
Continuity chain
No continuity chain; the patent’s own filing date was used.
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
The prosecution record for your AI
Application 18/212,331 · US 12,647,026
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www.patentreply.ai/tools/patent-expiration/US12647026Data 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.