Last updated: October 25, 2026

Application No. 18/257,340

Electrolytic cell and water supply device

Final Rejection

Filed

Jun 14, 2023

Priority

May 13, 2021 — JP 2021-081364 +1 more

Examiner

CONTRERAS, CIEL P

Art Unit

1794

Tech Center

1700 — Chemical & Materials Engineering

Assignee

Nihon Trim Co. Ltd.

OA Round

2 (Final)

This examiner grants 54% of cases after interview

— +33.6% interview lift. A telephonic interview to clarify the technical implementation could significantly improve the outcome.

Based on 768 resolved cases, 2023–2026

Examiner Intelligence

CONTRERAS, CIEL P View full profile →

Grants 54% of resolved cases

Career Allowance Rate

417 granted / 768 resolved

-10.7% vs TC avg

Strong +34% interview lift

Without

With

+33.6%

Interview Lift

resolved cases with interview

Typical timeline

2y 11m

Avg Prosecution

53 currently pending

Career history

848

Total Applications

across all art units

Statute-Specific Performance

§101

1.0%

-39.0% vs TC avg

§103

48.5%

+8.5% vs TC avg

§102

15.3%

-24.7% vs TC avg

§112

29.5%

-10.5% vs TC avg

Black line = Tech Center average estimate • Based on career data from 768 resolved cases

Prosecution Timeline

Jun 14, 2023

Application Filed

Mar 27, 2026

Non-Final Rejection mailed

Jun 24, 2026

Response Filed

Oct 06, 2026

Final Rejection mailed (current)

Precedent Cases

Applications granted by this same examiner with similar technology

17/979,211

Patent 12766463

SYSTEM FOR SUPPLYING HYDROGEN AND METHOD FOR CONTROLLING THE SAME

3y 11m to grant Granted Oct 20, 2026

18/297,532

Patent 12768058

SILVER NANOCLUSTER CATALYST FOR CARBON DIOXIDE CONVERSION, GAS DIFFUSION ELECTRODE INCLUDING SAME, ZERO-GAP REACTOR INCLUDING SAME, AND CARBON DIOXIDE CONVERSION METHOD USING SAME

3y 6m to grant Granted Oct 20, 2026

17/924,682

Patent 12759906

Boron-doped Diamond Electrode with Ultra-high Specific Surface Area, and Preparation Method Therefor and Application Thereof

3y 11m to grant Granted Oct 13, 2026

17/277,329

Patent 12753522

ELECTROLYSIS CELL, ELECTROLYZER AND METHOD FOR REDUCING CO2

5y 6m to grant Granted Oct 06, 2026

17/567,046

Patent 12747512

ELECTROLYZER WITH HORIZONTAL CATHODE

4y 9m to grant Granted Sep 29, 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

54%

Grant Probability

88%

With Interview (+33.6%)

2y 11m (~0m remaining)

Median Time to Grant

Moderate

PTA Risk

Based on 768 resolved cases by this examiner. Grant probability derived from career allowance rate.