US 12,693,046 · Application 19/011,341 · Granted Jul 28, 2026
US 12,693,046
Methods and systems for increasing heat transfer in geothermal systems
Estimated expiration
January 6, 2045
18y 120d remaining
Earliest effective filing
Jan 6, 2025
+ 20 years
Jan 6, 2045
PTA +0d
Jan 6, 2045
No TD
—
Final
Jan 6, 2045
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
- January 6, 2025
- Earliest effective filing
- January 6, 2025
- Issue date
- July 28, 2026
- PTA
- 0 days
- Base expiry (before PTA)
- January 6, 2045
January 6, 2025 + 20 years = January 6, 2045
- PRO63/618,188 — 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 19/011,341 · US 12,693,046
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www.patentreply.ai/tools/patent-expiration/US12693046Data 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.