Last updated: July 05, 2026

Application No. 18/466,334

WATER ELECTROLYSIS SYSTEM

Non-Final OA

Filed

Sep 13, 2023

Priority

Nov 04, 2022 — JP 2022-176996

Examiner

WITTENBERG, STEFANIE S

Art Unit

1795

Tech Center

1700 — Chemical & Materials Engineering

Assignee

Toyota Motor Corporation

OA Round

1 (Non-Final)

This examiner grants 54% of cases after interview

— +18.3% interview lift. A telephonic interview to clarify the technical implementation could significantly improve the outcome.

Based on 677 resolved cases, 2023–2026

Examiner Intelligence

WITTENBERG, STEFANIE S View full profile →

Grants 54% of resolved cases

Career Allowance Rate

367 granted / 677 resolved

-10.8% vs TC avg

Strong +18% interview lift

Without

With

+18.3%

Interview Lift

resolved cases with interview

Typical timeline

3y 1m

Avg Prosecution

55 currently pending

Career history

738

Total Applications

across all art units

Statute-Specific Performance

§101

0.1%

-39.9% vs TC avg

§103

84.8%

+44.8% vs TC avg

§102

4.7%

-35.3% vs TC avg

§112

7.2%

-32.8% vs TC avg

Black line = Tech Center average estimate • Based on career data from 677 resolved cases

Prosecution Timeline

Sep 13, 2023

Application Filed

Apr 03, 2026

Non-Final Rejection mailed (current)

Precedent Cases

Applications granted by this same examiner with similar technology

18/019,097

Patent 12668886

LITHIUM CATION EXCHANGE MEMBRANE FOR WATER ELECTROLYSIS, AND WATER ELECTROLYSIS SYSTEM USING SAME

3y 5m to grant Granted Jun 30, 2026

18/942,105

Patent 12640360

SYSTEM FOR PRODUCING LITHIUM METAL BATTERIES

1y 6m to grant Granted May 26, 2026

17/802,447

Patent 12630939

PLATING METHOD AND PLATING APPARATUS

2y 11m to grant Granted May 19, 2026

18/010,075

Patent 12630938

SHIELD BODY SYSTEM FOR A PROCESS FLUID FOR CHEMICAL AND/OR ELECTROLYTIC SURFACE TREATMENT OF A SUBSTRATE

3y 5m to grant Granted May 19, 2026

17/927,998

Patent 12624471

ALUMINUM MEMBER AND MANUFACTURING METHOD THEREOF

3y 5m 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.

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Prosecution Projections

1-2

Expected OA Rounds

54%

Grant Probability

72%

With Interview (+18.3%)

3y 1m (~3m remaining)

Median Time to Grant

Low

PTA Risk

Based on 677 resolved cases by this examiner. Grant probability derived from career allowance rate.