Last updated: July 17, 2026

Application No. 18/552,686

ELECTROLYSIS DEVICE

Non-Final OA

Filed

Sep 27, 2023

Priority

Apr 14, 2021 — EU 21168348.7 +1 more

Examiner

WITTENBERG, STEFANIE S

Art Unit

1795

Tech Center

1700 — Chemical & Materials Engineering

Assignee

Siemens Energy AG

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 679 resolved cases, 2023–2026

Examiner Intelligence

WITTENBERG, STEFANIE S View full profile →

Grants 54% of resolved cases

Career Allowance Rate

368 granted / 679 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

50 currently pending

Career history

738

Total Applications

across all art units

Statute-Specific Performance

§101

0.1%

-39.9% vs TC avg

§103

84.9%

+44.9% vs TC avg

§102

4.6%

-35.4% vs TC avg

§112

7.2%

-32.8% vs TC avg

Black line = Tech Center average estimate • Based on career data from 679 resolved cases

Prosecution Timeline

Sep 27, 2023

Application Filed

Jun 05, 2026

Non-Final Rejection mailed (current)

Precedent Cases

Applications granted by this same examiner with similar technology

18/086,319

Patent 12680187

PLATING APPARATUS

3y 6m to grant Granted Jul 14, 2026

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

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

54%

Grant Probability

72%

With Interview (+18.3%)

3y 1m (~3m remaining)

Median Time to Grant

Low

PTA Risk

Based on 679 resolved cases by this examiner. Grant probability derived from career allowance rate.