Last updated: July 17, 2026

Application No. 18/437,338

FAILURE DETECTION METHOD, FAILURE DETECTION SYSTEM, AND ELECTROSPRAY ION SOURCE

Non-Final OA

Filed

Feb 09, 2024

Priority

Feb 28, 2023 — JP 2023-030220

Examiner

CHANG, VINCENT WEN-LIANG

Art Unit

2119

Tech Center

2100 — Computer Architecture & Software

Assignee

Hitachi Ltd.

OA Round

1 (Non-Final)

Interview Optional

— +25.1% interview lift. Examiner has a relatively high allowance rate (73%); +25.1% interview lift. A written response may suffice.

Based on 395 resolved cases, 2023–2026

Examiner Intelligence

CHANG, VINCENT WEN-LIANG View full profile →

Grants 73% — above average

Career Allowance Rate

289 granted / 395 resolved

+18.2% vs TC avg

Strong +25% interview lift

Without

With

+25.1%

Interview Lift

resolved cases with interview

Typical timeline

2y 10m

Avg Prosecution

14 currently pending

Career history

414

Total Applications

across all art units

Statute-Specific Performance

§101

2.4%

-37.6% vs TC avg

§103

86.6%

+46.6% vs TC avg

§102

3.8%

-36.2% vs TC avg

§112

3.9%

-36.1% vs TC avg

Black line = Tech Center average estimate • Based on career data from 395 resolved cases

Prosecution Timeline

Feb 09, 2024

Application Filed

Apr 29, 2026

Non-Final Rejection mailed (current)

Precedent Cases

Applications granted by this same examiner with similar technology

18/263,395

Patent 12669254

AIR CONDITIONING MANAGEMENT SYSTEM AND AIR CONDITIONING MANAGEMENT METHOD

2y 11m to grant Granted Jun 30, 2026

18/388,054

Patent 12663176

INDOOR AIR CLEANING SYSTEM

2y 7m to grant Granted Jun 23, 2026

18/072,480

Patent 12656011

AIR-QUALITY MONITORING DRIVEN BUILDING SYSTEM CONTROL

3y 6m to grant Granted Jun 16, 2026

18/352,817

Patent 12656009

AIR CONDITIONING SYSTEM AND METHOD FOR CONTROLLING AIR CONDITIONING SYSTEM

2y 11m to grant Granted Jun 16, 2026

17/847,994

Patent 12640585

SOFTWARE-DEFINED ELECTRICAL POWER MANAGEMENT AND DISTRIBUTION CONTROLLER FOR REMOTE SYSTEMS

3y 11m to grant Granted May 26, 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

1-2

Expected OA Rounds

73%

Grant Probability

98%

With Interview (+25.1%)

2y 10m (~5m remaining)

Median Time to Grant

Low

PTA Risk

Based on 395 resolved cases by this examiner. Grant probability derived from career allowance rate.