US 12,757,335 · Application 18/200,352 · Granted Oct 6, 2026
US 12,757,335
Method for integrating a copper-graphene laminate (cgl) in a multilayer pcb fabrication process
Estimated expiration
February 8, 2045
18y 102d remaining
Earliest effective filing
May 22, 2023
+ 20 years
May 22, 2043
PTA +628d
Feb 8, 2045
No TD
—
Final
Feb 8, 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
- May 22, 2023
- Earliest effective filing
- May 22, 2023
- Issue date
- October 6, 2026
- PTA
- +628 days
- Base expiry (before PTA)
- May 22, 2043
May 22, 2023 + 20 years = May 22, 2043 + 628 PTA days = February 8, 2045
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 18/200,352 · US 12,757,335
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www.patentreply.ai/tools/patent-expiration/US12757335Data 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.