Last updated: August 18, 2026

Application No. 18/906,448

SWITCHING TRANSDUCER DRIVER CIRCUITRY

Final Rejection

Filed

Oct 04, 2024

Examiner

YEAMAN, JAMES G

Art Unit

2836

Tech Center

2800 — Semiconductors & Electrical Systems

Assignee

Cirrus Logic International Semiconductor Ltd.

OA Round

2 (Final)

Interview Optional

— +7.2% interview lift. Interview lift (+7.2%) is below the 15.0% threshold. A written response is recommended.

Based on 114 resolved cases, 2023–2026

Examiner Intelligence

YEAMAN, JAMES G View full profile →

Grants 82% — above average

Career Allowance Rate

94 granted / 114 resolved

+14.5% vs TC avg

Moderate +7% lift

Without

With

+7.2%

Interview Lift

resolved cases with interview

Typical timeline

2y 7m

Avg Prosecution

23 currently pending

Career history

143

Total Applications

across all art units

Statute-Specific Performance

§101

0.2%

-39.8% vs TC avg

§103

66.8%

+26.8% vs TC avg

§102

20.5%

-19.5% vs TC avg

§112

11.6%

-28.4% vs TC avg

Black line = Tech Center average estimate • Based on career data from 114 resolved cases

Prosecution Timeline

Oct 04, 2024

Application Filed

Apr 17, 2026

Non-Final Rejection mailed

Jun 01, 2026

Response Filed

Jul 31, 2026

Final Rejection mailed (current)

Precedent Cases

Applications granted by this same examiner with similar technology

18/823,347

Patent 12695458

DELAY LOCKED LOOP CIRCUIT

1y 10m to grant Granted Jul 28, 2026

18/836,267

Patent 12695447

FAULT PROTECTION IN SWITCH DRIVER UNITS

1y 11m to grant Granted Jul 28, 2026

17/856,887

Patent 12658896

INTEGRATED CLOCK GATE WITH CIRCUITRY TO FACILITATE CLOCK FREQUENCY DIVISION

3y 11m to grant Granted Jun 16, 2026

18/590,450

Patent 12658903

SWITCHING CONVERTER CONTROLLER WITH ADAPTIVE PULSE-FREQUENCY MODULATION TIMER CIRCUIT

2y 3m to grant Granted Jun 16, 2026

18/770,011

Patent 12658895

VOLTAGE REGULATOR

1y 11m to grant Granted Jun 16, 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.

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Prosecution Projections

3-4

Expected OA Rounds

82%

Grant Probability

90%

With Interview (+7.2%)

2y 7m (~8m remaining)

Median Time to Grant

Moderate

PTA Risk

Based on 114 resolved cases by this examiner. Grant probability derived from career allowance rate.