Last updated: October 27, 2026

Application No. 18/269,187

HEAT SEALING FILM, VALVE DEVICE WITH HEAT SEALING FILM, ELECTRICITY STORAGE DEVICE, VALVE STRUCTURE FOR ELECTRICITY STORAGE DEVICE, AND METHOD FOR MANUFACTURING VALVE STRUCTURE FOR ELECTRICITY STORAGE DEVICE

Final Rejection

Filed

Jun 22, 2023

Priority

Dec 25, 2020 — JP 2020-216763 +2 more

Examiner

CANTELMO, GREGG

Art Unit

1725

Tech Center

1700 — Chemical & Materials Engineering

Assignee

Dai Nippon Printing Co., Ltd.

OA Round

2 (Final)

Interview Optional

— +7.5% interview lift. Interview lift (+7.5%) is below the 15.0% threshold. A written response is recommended.

Based on 1353 resolved cases, 2023–2026

Examiner Intelligence

CANTELMO, GREGG View full profile →

Grants 75% — above average

Career Allowance Rate

1011 granted / 1353 resolved

+9.7% vs TC avg

Moderate +8% lift

Without

With

+7.5%

Interview Lift

resolved cases with interview

Typical timeline

2y 8m

Avg Prosecution

32 currently pending

Career history

1385

Total Applications

across all art units

Statute-Specific Performance

§101

1.0%

-39.0% vs TC avg

§103

39.6%

-0.4% vs TC avg

§102

24.0%

-16.0% vs TC avg

§112

28.6%

-11.4% vs TC avg

Black line = Tech Center average estimate • Based on career data from 1353 resolved cases

Prosecution Timeline

Jun 22, 2023

Application Filed

May 13, 2026

Non-Final Rejection mailed

Sep 11, 2026

Response Filed

Sep 11, 2026

Response after Non-Final Action

Oct 05, 2026

Final Rejection mailed (current)

Precedent Cases

Applications granted by this same examiner with similar technology

18/194,519

Patent 12770983

CURRENT COLLECTOR ASSEMBLIES

3y 6m to grant Granted Oct 20, 2026

18/447,181

Patent 12770895

SEPARATOR PLATE FOR AN ELECTROCHEMICAL SYSTEM

3y 2m to grant Granted Oct 20, 2026

17/889,792

Patent 12763420

TRACTION BATTERY PACK ENCLOSURE SEAL ASSEMBLY AND SEALING METHOD

4y 1m to grant Granted Oct 13, 2026

18/374,786

Patent 12763368

ELECTROCHEMICAL DEVICE AND ELECTRONIC DEVICE CONTAINING SAME

3y 0m to grant Granted Oct 13, 2026

18/380,700

Patent 12763314

NEGATIVE PRESSURE FORMATION METHOD FOR LITHIUM IRON MANGANESE PHOSPHATE BATTERIES AND BATTERIES APPLYING THE SAME

2y 12m to grant Granted Oct 13, 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

3-4

Expected OA Rounds

75%

Grant Probability

82%

With Interview (+7.5%)

2y 8m (~0m remaining)

Median Time to Grant

Moderate

PTA Risk

Based on 1353 resolved cases by this examiner. Grant probability derived from career allowance rate.