Last updated: July 17, 2026

Application No. 18/446,262

ELECTROLYTE ADDITIVES FOR SOLID ELECTROLYTE INTERFACE FORMATION ON POLYTETRAFLUOROETHYLENE-CONTAINING NEGATIVE ELECTRODES AND BATTERIES INCLUDING THE SAME

Final Rejection

Filed

Aug 08, 2023

Priority

Jun 27, 2023 — CN 202310771523.5

Examiner

BARCENA, CARLOS

Art Unit

1723

Tech Center

1700 — Chemical & Materials Engineering

Assignee

GM Global Technology Operations LLC

OA Round

2 (Final)

Interview Optional

— +12.3% interview lift. Interview already conducted in this application's prosecution history. This examiner has a 80% grant rate with +12.3% interview lift. Since an interview has already been tried, recommend written response with narrowed claims based on precedent claim evolution patterns.

Based on 1124 resolved cases, 2023–2026

Examiner Intelligence

BARCENA, CARLOS View full profile →

Grants 80% — above average

Career Allowance Rate

904 granted / 1124 resolved

+15.4% vs TC avg

Moderate +12% lift

Without

With

+12.3%

Interview Lift

resolved cases with interview

Typical timeline

2y 9m

Avg Prosecution

37 currently pending

Career history

1146

Total Applications

across all art units

Statute-Specific Performance

§101

0.7%

-39.3% vs TC avg

§103

70.5%

+30.5% vs TC avg

§102

10.3%

-29.7% vs TC avg

§112

10.0%

-30.0% vs TC avg

Black line = Tech Center average estimate • Based on career data from 1124 resolved cases

Prosecution Timeline

Aug 08, 2023

Application Filed

Mar 12, 2026

Non-Final Rejection mailed

May 06, 2026

Interview Requested

May 12, 2026

Examiner Interview Summary

May 12, 2026

Applicant Interview (Telephonic)

May 18, 2026

Response Filed

Jun 02, 2026

Final Rejection mailed

Jul 01, 2026

Interview Requested

Precedent Cases

Applications granted by this same examiner with similar technology

18/240,025

Patent 12676346

GAS SUPPRESSION DEVICE AND METHOD FOR LITHIUM-SULFUR BATTERY

2y 10m to grant Granted Jul 07, 2026

18/348,974

Patent 12676322

PACKAGING ARRANGEMENT AND PACKAGING SYSTEM

3y 0m to grant Granted Jul 07, 2026

18/030,268

Patent 12671093

NEGATIVE ELECTRODE INCLUDING COATING LAYER AND ION TRANSPORT LAYER, AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME

3y 2m to grant Granted Jun 30, 2026

18/352,723

Patent 12671099

GASKET ASSEMBLY AND FUEL CELL MEMBRANE HUMIDIFIER COMPRISING SAME

2y 11m to grant Granted Jun 30, 2026

18/452,088

Patent 12671139

HIGH VOLTAGE BATTERY DEPLOYABLE EXHAUST SYSTEM

2y 10m to grant Granted Jun 30, 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

80%

Grant Probability

93%

With Interview (+12.3%)

2y 9m (~0m remaining)

Median Time to Grant

Moderate

PTA Risk

Based on 1124 resolved cases by this examiner. Grant probability derived from career allowance rate.