Last updated: July 15, 2026

Application No. 18/459,630

MEMBRANE ELECTRODE ASSEMBLY, ELECTROCHEMICAL CELL, STACK, ELECTROLYZER, AND MANUFACTURING METHOD OF MEMBRANE ELECTRODE ASSEMBLY

Non-Final OA

Filed

Sep 01, 2023

Priority

Oct 03, 2022 — JP 2022-159824

Examiner

SUN, CAITLYN MINGYUN

Art Unit

1795

Tech Center

1700 — Chemical & Materials Engineering

Assignee

Kabushiki Kaisha Toshiba

OA Round

1 (Non-Final)

Interview Optional

— +11.3% interview lift. Interview lift (+11.3%) is below the 15.0% threshold. A written response is recommended.

Based on 311 resolved cases, 2023–2026

Examiner Intelligence

SUN, CAITLYN MINGYUN View full profile →

Grants 63% of resolved cases

Career Allowance Rate

197 granted / 311 resolved

-1.7% vs TC avg

Moderate +11% lift

Without

With

+11.3%

Interview Lift

resolved cases with interview

Typical timeline

3y 0m

Avg Prosecution

51 currently pending

Career history

378

Total Applications

across all art units

Statute-Specific Performance

§101

1.1%

-38.9% vs TC avg

§103

86.0%

+46.0% vs TC avg

§102

4.2%

-35.8% vs TC avg

§112

6.0%

-34.0% vs TC avg

Black line = Tech Center average estimate • Based on career data from 311 resolved cases

Prosecution Timeline

Sep 01, 2023

Application Filed

Apr 08, 2026

Non-Final Rejection mailed (current)

Precedent Cases

Applications granted by this same examiner with similar technology

18/118,179

Patent 12669462

ELECTROLYTE ANALYSIS TEST STRIP, TEST STRIP MANUFACTURING METHOD AND ELECTROLYTE ANALYSIS DEVICE

3y 3m to grant Granted Jun 30, 2026

18/340,200

Patent 12668884

COMPOSITE PROTON EXCHANGE MEMBRANE AND CATALYST-COATED COMPOSITE PROTON EXCHANGE MEMBRANE

3y 0m to grant Granted Jun 30, 2026

18/284,235

Patent 12638418

METHOD OF SENSING

2y 8m to grant Granted May 26, 2026

18/016,817

Patent 12623233

METHOD AND FLUIDIC MICROSYSTEM FOR THE DIELECTROPHORETIC MANIPULATION OF SUSPENDED PARTICLES

3y 3m to grant Granted May 12, 2026

18/456,402

Patent 12601704

SYSTEM AND METHOD FOR MEASUREMENT OF ION CONCENTRATION IN FLUID SAMPLES

2y 7m to grant Granted Apr 14, 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

63%

Grant Probability

75%

With Interview (+11.3%)

3y 0m (~1m remaining)

Median Time to Grant

Low

PTA Risk

Based on 311 resolved cases by this examiner. Grant probability derived from career allowance rate.