Last updated: July 17, 2026

Application No. 18/504,421

HOLLOW CYLINDRICAL BATTERY CELLS AND SYSTEM FOR CONTROLLING THE TEMPERATURE OF THE SAME

Non-Final OA

Filed

Nov 08, 2023

Examiner

CULLEN, SEAN P

Art Unit

Tech Center

Assignee

GM Global Technology Operations LLC

OA Round

1 (Non-Final)

Interview Optional

— +28.4% interview lift. Examiner has a relatively high allowance rate (69%); +28.4% interview lift. A written response may suffice.

Based on 1242 resolved cases, 2023–2026

Examiner Intelligence

CULLEN, SEAN P View full profile →

Grants 69% — above average

Career Allowance Rate

859 granted / 1242 resolved

+9.2% vs TC avg

Strong +28% interview lift

Without

With

+28.4%

Interview Lift

resolved cases with interview

Typical timeline

3y 2m

Avg Prosecution

41 currently pending

Career history

1274

Total Applications

across all art units

Statute-Specific Performance

§101

0.1%

-39.9% vs TC avg

§103

70.5%

+30.5% vs TC avg

§102

10.6%

-29.4% vs TC avg

§112

14.6%

-25.4% vs TC avg

Black line = Tech Center average estimate • Based on career data from 1242 resolved cases

Prosecution Timeline

Nov 08, 2023

Application Filed

May 21, 2026

Non-Final Rejection mailed (current)

Precedent Cases

Applications granted by this same examiner with similar technology

18/017,745

Patent 12683243

SEPARATOR FOR SECONDARY BATTERIES WITH IMPROVED ADHESIVE FORCE

3y 5m to grant Granted Jul 14, 2026

18/008,032

Patent 12646799

BATTERY SEPARATOR INCLUDING ZEOLITE COATING POSITIONED WITHIN INTER-PARTICLE PORES OF SUBSTRATE, LITHIUM-ION BATTERY, AND METHOD OF MAKING THE SAME

3y 6m to grant Granted Jun 02, 2026

18/300,486

Patent 12646751

ELECTROLYTE COMPOSITION, AND BATTERY AND DEVICE INCLUDING THE ELECTROLYTE COMPOSITION

3y 1m to grant Granted Jun 02, 2026

18/191,226

Patent 12640452

ELECTROCHEMICAL DEVICE AND ELECTRONIC DEVICE

3y 2m to grant Granted May 26, 2026

17/398,419

Patent 12633568

SOLID POLYMER ELECTROLYTE INCLUDING POLYMER HAVING ETHYLENE OXIDE PORTIONS AND CARBONATE BASED PORTIONS SUPPORTED BY SUBSTRATE, AND METHOD OF PREPARING THE SAME

4y 9m 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

69%

Grant Probability

98%

With Interview (+28.4%)

3y 2m (~6m remaining)

Median Time to Grant

Low

PTA Risk

Based on 1242 resolved cases by this examiner. Grant probability derived from career allowance rate.