US 8,254,419 · Application 13/196,767 · Granted Aug 28, 2012
US 8,254,419
Apparatus and method to suppress gain-switched spikes in fiber laser amplifier systems
Estimated expiration
July 17, 2026
Expired 88 days ago
Earliest effective filing
Jul 17, 2006
+ 20 years
Jul 17, 2026
PTA +0d
Jul 17, 2026
No TD
—
Final
Jul 17, 2026
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
- August 2, 2011
- Earliest effective filing
- July 17, 2006
- Issue date
- August 28, 2012
- PTA
- 0 days
- Base expiry (before PTA)
- July 17, 2026
July 17, 2006 + 20 years = July 17, 2026
- Divisional of application 12/715,308, filed Mar 1, 2010, issued as US 7,991,027
- Divisional of application 11/623,058, filed Jan 12, 2007, issued as US 7,701,987
- Divisional of application 11/488,910, filed Jul 17, 2006, issued as US 7,539,231
- Divisional of application 11/488,910, filed Jul 17, 2006, issued as US 7,539,231
- Divisional of application 11/623,058, filed Jan 12, 2007, issued as US 7,701,987
- Divisional of application 11/488,910, filed Jul 17, 2006, issued as US 7,539,231
- PRO60/699,894 — Provisional — not used for base term
- PRO60/699,894 — Provisional — not used for base term
- PRO60/699,894 — Provisional — not used for base term
- PRO60/699,894 — 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
The prosecution record for your AI
Application 13/196,767 · US 8,254,419
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www.patentreply.ai/tools/patent-expiration/US8254419Data 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.