Last updated: July 05, 2026

Application No. 18/347,003

ELECTROLZYER STACKS, ELECTROLYSIS SYSTEMS, AND METHODS FOR OPERATING ELECTROLYSIS SYSTEMS INCLUDING ACTIVE COMPRESSION

Non-Final OA

Filed

Jul 05, 2023

Examiner

KEELING, ALEXANDER W

Art Unit

1795

Tech Center

1700 — Chemical & Materials Engineering

Assignee

GM Global Technology Operations LLC

OA Round

1 (Non-Final)

Interview Optional

— +38.2% interview lift. Interview already conducted in this application's prosecution history. This examiner has a 56% grant rate with +38.2% interview lift. Since an interview has already been tried, recommend written response with narrowed claims based on precedent claim evolution patterns.

Based on 580 resolved cases, 2023–2026

Examiner Intelligence

KEELING, ALEXANDER W View full profile →

Grants 56% of resolved cases

Career Allowance Rate

325 granted / 580 resolved

-9.0% vs TC avg

Strong +38% interview lift

Without

With

+38.2%

Interview Lift

resolved cases with interview

Typical timeline

3y 4m

Avg Prosecution

41 currently pending

Career history

634

Total Applications

across all art units

Statute-Specific Performance

§101

0.2%

-39.8% vs TC avg

§103

82.8%

+42.8% vs TC avg

§102

9.5%

-30.5% vs TC avg

§112

5.3%

-34.7% vs TC avg

Black line = Tech Center average estimate • Based on career data from 580 resolved cases

Prosecution Timeline

Jul 05, 2023

Application Filed

Mar 31, 2026

Non-Final Rejection mailed

Jun 29, 2026

Applicant Interview (Telephonic)

Jun 30, 2026

Examiner Interview Summary

Precedent Cases

Applications granted by this same examiner with similar technology

17/772,502

Patent 12654174

SYSTEM FOR SEPARATING LIQUIDS AND SOLIDS

4y 1m to grant Granted Jun 16, 2026

17/996,221

Patent 12655531

ELECTROLYSIS SYSTEM AND METHOD OF USE THEREOF

3y 8m to grant Granted Jun 16, 2026

17/441,616

Patent 12649674

Method and Device for Preparing Slightly Acidic Electrolyzed Water with Controllable and Stable Concentration

4y 8m to grant Granted Jun 09, 2026

17/611,885

Patent 12644199

SUBSTRATE STICKING AND BREAKAGE MITIGATION

4y 6m to grant Granted Jun 02, 2026

17/754,982

Patent 12637774

PROPELLER ARRANGEMENT IN A CATHODIC PROTECTION SYSTEM

4y 1m to grant Granted May 26, 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

56%

Grant Probability

94%

With Interview (+38.2%)

3y 4m (~4m remaining)

Median Time to Grant

Low

PTA Risk

Based on 580 resolved cases by this examiner. Grant probability derived from career allowance rate.