Last updated: April 16, 2026

Application No. 18/697,889

HEAT EXCHANGER AND AIR-CONDITIONING APPARATUS

Non-Final OA

Filed

Apr 02, 2024

Examiner

FURDGE, LARRY L

Art Unit

3763

Tech Center

3700 — Mechanical Engineering & Manufacturing

Assignee

Mitsubishi Electric Corporation

OA Round

1 (Non-Final)

This examiner grants 62% of cases after interview

— +23.5% interview lift. A telephonic interview to clarify the technical implementation could significantly improve the outcome.

Based on 755 resolved cases, 2023–2026

Examiner Intelligence

FURDGE, LARRY L View full profile →

Grants 62% of resolved cases

Career Allow Rate

469 granted / 755 resolved

-7.9% vs TC avg

Strong +24% interview lift

Without

With

+23.5%

Interview Lift

resolved cases with interview

Typical timeline

3y 5m

Avg Prosecution

41 currently pending

Career history

796

Total Applications

across all art units

Statute-Specific Performance

§101

0.7%

-39.3% vs TC avg

§103

51.8%

+11.8% vs TC avg

§102

11.7%

-28.3% vs TC avg

§112

31.1%

-8.9% vs TC avg

Black line = Tech Center average estimate • Based on career data from 755 resolved cases

Prosecution Timeline

Apr 02, 2024

Application Filed

Dec 11, 2025

Non-Final Rejection

Mar 27, 2026

Response Filed

Precedent Cases

Applications granted by this same examiner with similar technology

18/388,577

Patent 12601527

HEAT EXCHANGE SYSTEM

2y 5m to grant Granted Apr 14, 2026

18/332,527

Patent 12595942

REFRIGERANT CIRCUIT SUCTION HEAT CONTROL

2y 5m to grant Granted Apr 07, 2026

18/683,223

Patent 12595929

AIR-CONDITIONING SYSTEM

2y 5m to grant Granted Apr 07, 2026

17/734,843

Patent 12588674

CRYOGENIC COOLER

2y 5m to grant Granted Mar 31, 2026

18/536,963

Patent 12584661

FREE COOLING SYSTEM FOR LOW AMBIENT TEMPERATURES

2y 5m to grant Granted Mar 24, 2026

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

AI Strategy Recommendation

Get an AI-powered prosecution strategy using examiner precedents, rejection analysis, and claim mapping.

Prosecution Projections

1-2

Expected OA Rounds

62%

Grant Probability

86%

With Interview (+23.5%)

3y 5m

Median Time to Grant

Low

PTA Risk

Based on 755 resolved cases by this examiner. Grant probability derived from career allow rate.