Last updated: July 17, 2026

Application No. 18/344,173

IMPACT ENERGY ATTENUATION SYSTEM FOR A FUEL CELL

Non-Final OA

Filed

Jun 29, 2023

Examiner

HEMINGWAY, TIMOTHY G

Art Unit

1754

Tech Center

1700 — Chemical & Materials Engineering

Assignee

GM Global Technology Operations LLC

OA Round

1 (Non-Final)

This examiner grants 40% of cases after interview

— +20.6% interview lift. A telephonic interview to clarify the technical implementation could significantly improve the outcome.

Based on 75 resolved cases, 2023–2026

Examiner Intelligence

HEMINGWAY, TIMOTHY G View full profile →

Grants 40% of resolved cases

Career Allowance Rate

30 granted / 75 resolved

-25.0% vs TC avg

Strong +21% interview lift

Without

With

+20.6%

Interview Lift

resolved cases with interview

Typical timeline

2y 11m

Avg Prosecution

33 currently pending

Career history

130

Total Applications

across all art units

Statute-Specific Performance

§101

0.6%

-39.4% vs TC avg

§103

89.6%

+49.6% vs TC avg

§102

3.9%

-36.1% vs TC avg

§112

3.0%

-37.0% vs TC avg

Black line = Tech Center average estimate • Based on career data from 75 resolved cases

Prosecution Timeline

Jun 29, 2023

Application Filed

Apr 28, 2026

Non-Final Rejection mailed (current)

Precedent Cases

Applications granted by this same examiner with similar technology

18/010,817

Patent 12658474

Secondary Battery

3y 6m to grant Granted Jun 16, 2026

17/832,459

Patent 12649697

SHAPE FORMING OPF PREFORM

4y 0m to grant Granted Jun 09, 2026

18/306,579

Patent 12640448

Battery Case Structural Body

3y 1m to grant Granted May 26, 2026

19/287,788

Patent 12620633

LITHIUM-ION BATTERY AND ELECTRIC DEVICE

9m to grant Granted May 05, 2026

18/072,599

Patent 12562362

RECHARGEABLE BATTERY AND METHOD FOR MANUFACTURING POSITIVE PLATE OF RECHARGEABLE BATTERY

3y 2m to grant Granted Feb 24, 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

40%

Grant Probability

61%

With Interview (+20.6%)

2y 11m (~0m remaining)

Median Time to Grant

Low

PTA Risk

Based on 75 resolved cases by this examiner. Grant probability derived from career allowance rate.