US 8254419 — Patent Expiration

APPARATUS AND METHOD TO SUPPRESS GAIN-SWITCHED SPIKES IN FIBER LASER AMPLIFIER SYSTEMS

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Important: This calculator does not include patent term extension under 35 U.S.C. § 156, which may apply to certain drug, biologic, animal drug, and medical device patents.

Learn more about PTE and patent expiration

US 8254419

Apparatus And Method To Suppress Gain-switched Spikes In Fiber Laser Amplifier Systems

High Confidence

Application No. 13196767

July 17, 2026

48 days remaining

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 Calculation

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 12715308, filed Mar 1, 2010, issued as US 7991027

Divisional of application 11623058, filed Jan 12, 2007, issued as US 7701987

Divisional of application 11488910, filed Jul 17, 2006, issued as US 7539231

Divisional of application 11623058, filed Jan 12, 2007, issued as US 7701987

Divisional of application 11488910, filed Jul 17, 2006, issued as US 7539231

PRO

60699894 — Provisional — not used for base term

PRO

60699894 — Provisional — not used for base term

PRO

60699894 — Provisional — not used for base term

PRO

60699894 — Provisional — not used for base term

Terminal Disclaimer Analysis

No TD

0 approved, 0 filed

Data 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.