Last updated: October 25, 2026

Application No. 18/349,577

PARALLEL INVERTER SYSTEMS AND METHODS

Final Rejection

Filed

Jul 10, 2023

Priority

Jul 11, 2022 — provisional 63/388,244

Examiner

QUDDUS, NUSRAT

Art Unit

2838

Tech Center

2800 — Semiconductors & Electrical Systems

Assignee

Nextpower LLC

OA Round

2 (Final)

Interview Optional

— +6.0% interview lift. Interview lift (+6.0%) is below the 15.0% threshold. A written response is recommended.

Based on 832 resolved cases, 2023–2026

Examiner Intelligence

QUDDUS, NUSRAT View full profile →

Grants 89% — above average

Career Allowance Rate

742 granted / 832 resolved

+21.2% vs TC avg

Moderate +6% lift

Without

With

+6.0%

Interview Lift

resolved cases with interview

Typical timeline

2y 6m

Avg Prosecution

16 currently pending

Career history

853

Total Applications

across all art units

Statute-Specific Performance

§101

0.4%

-39.6% vs TC avg

§103

50.6%

+10.6% vs TC avg

§102

33.4%

-6.6% vs TC avg

§112

10.9%

-29.1% vs TC avg

Black line = Tech Center average estimate • Based on career data from 832 resolved cases

Prosecution Timeline

Jul 10, 2023

Application Filed

Dec 01, 2025

Non-Final Rejection mailed

Mar 02, 2026

Response Filed

Jun 03, 2026

Final Rejection mailed (current)

Precedent Cases

Applications granted by this same examiner with similar technology

18/796,925

Patent 12771249

Boost Converter Power Stage Circuit

2y 2m to grant Granted Oct 20, 2026

18/865,945

Patent 12771255

MULTI-PHASE LLC RESONANT CONVERTER CIRCUIT

1y 11m to grant Granted Oct 20, 2026

17/993,957

Patent 12763662

NOVEL ZERO-VOLTAGE SWITCHING CONTROL CIRCUIT, METHOD THEREFOR, AND VOLTAGE CONVERTER

3y 10m to grant Granted Oct 13, 2026

18/422,397

Patent 12763667

TWO-PHASE DUAL-ACTIVE-BRIDGE DC-DC CONVERTER WITH WIDE INPUT RANGE

2y 8m to grant Granted Oct 13, 2026

18/496,726

Patent 12761675

DUAL FEEDBACK VOLTAGE REGULATOR

2y 11m to grant Granted Oct 13, 2026

Study what changed to get past this examiner. Based on 5 most recent grants.

Strategy Recommendation AI-generated — please review before filing

Get a prosecution strategy drawn from examiner precedents, rejection analysis, and claim mapping.

Typically takes 5-10 seconds — AI-generated, attorney review required before filing

Prosecution Projections

3-4

Expected OA Rounds

89%

Grant Probability

95%

With Interview (+6.0%)

2y 6m (~0m remaining)

Median Time to Grant

Moderate

PTA Risk

Based on 832 resolved cases by this examiner. Grant probability derived from career allowance rate.