US 12,704,747 · Application 18/015,022 · Granted Aug 11, 2026
US 12,704,747
Method and device for optical power limiter
Estimated expiration
August 4, 2043
16y 334d remaining
- Could not fetch continuity data for application PCTSG2021050403: Resource not found (404)
Earliest effective filing
Jul 9, 2021
+ 20 years
Jul 9, 2041
PTA +756d
Aug 4, 2043
No TD
—
Final
Aug 4, 2043
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, 2023
- Earliest effective filing
- July 9, 2021
- Issue date
- August 11, 2026
- PTA
- +756 days
- Base expiry (before PTA)
- July 9, 2041
July 9, 2021 + 20 years = July 9, 2041 + 756 PTA days = August 4, 2043
- National stage entry of application PCTSG2021050403, filed Jul 9, 2021
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 18/015,022 · US 12,704,747
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www.patentreply.ai/tools/patent-expiration/US12704747Data 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.