Last updated: July 17, 2026

Application No. 18/623,814

HYDROGEN FLAME IONIZATION DETECTOR AND GAS CHROMATOGRAPH

Non-Final OA

Filed

Apr 01, 2024

Priority

Apr 07, 2023 — JP 2023-062527

Examiner

JOHNSON, BENJAMIN W

Art Unit

Tech Center

Assignee

SHIMADZU Corporation

OA Round

1 (Non-Final)

This examiner grants 62% of cases after interview

— +45.0% interview lift. A telephonic interview to clarify the technical implementation could significantly improve the outcome.

Based on 492 resolved cases, 2023–2026

Examiner Intelligence

JOHNSON, BENJAMIN W View full profile →

Grants 62% of resolved cases

Career Allowance Rate

305 granted / 492 resolved

+2.0% vs TC avg

Strong +45% interview lift

Without

With

+45.0%

Interview Lift

resolved cases with interview

Typical timeline

3y 2m

Avg Prosecution

37 currently pending

Career history

527

Total Applications

across all art units

Statute-Specific Performance

§101

0.2%

-39.8% vs TC avg

§103

81.2%

+41.2% vs TC avg

§102

6.2%

-33.8% vs TC avg

§112

12.1%

-27.9% vs TC avg

Black line = Tech Center average estimate • Based on career data from 492 resolved cases

Prosecution Timeline

Apr 01, 2024

Application Filed

May 28, 2026

Non-Final Rejection mailed (current)

Precedent Cases

Applications granted by this same examiner with similar technology

18/449,032

Patent 12678823

METAL CURING OVENS WITH QUICK HEAT-UP AND COOL-DOWN, AND PROCESSES OF USING SAME

2y 11m to grant Granted Jul 14, 2026

17/428,480

Patent 12672739

BARBECUE PIT COOKER SYSTEM AND METHOD

4y 11m to grant Granted Jul 07, 2026

18/081,652

Patent 12650234

HEATING SYSTEM

3y 5m to grant Granted Jun 09, 2026

17/626,892

Patent 12631409

HEAT EXCHANGER BAFFLES AND METHODS FOR MANUFACTURING THE SAME

4y 4m to grant Granted May 19, 2026

17/856,994

Patent 12622545

OVEN COOKING SYSTEM, ACCESSORY DEVICE, AND METHOD THEREOF

3y 10m to grant Granted May 12, 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

62%

Grant Probability

99%

With Interview (+45.0%)

3y 2m (~11m remaining)

Median Time to Grant

Low

PTA Risk

Based on 492 resolved cases by this examiner. Grant probability derived from career allowance rate.