Last updated: July 17, 2026

Application No. 18/288,371

LITHIUM SECONDARY BATTERY HAVING IMPROVED STABILITY

Non-Final OA

Filed

Oct 25, 2023

Priority

Apr 13, 2022 — RE 10-2022-0045874 +1 more

Examiner

CHAN, HENG M

Art Unit

1725

Tech Center

1700 — Chemical & Materials Engineering

Assignee

LG Energy Solution Ltd.

OA Round

1 (Non-Final)

This examiner grants 61% of cases after interview

— +33.2% interview lift. A telephonic interview to clarify the technical implementation could significantly improve the outcome.

Based on 401 resolved cases, 2023–2026

Examiner Intelligence

CHAN, HENG M View full profile →

Grants 61% of resolved cases

Career Allowance Rate

244 granted / 401 resolved

-4.2% vs TC avg

Strong +33% interview lift

Without

With

+33.2%

Interview Lift

resolved cases with interview

Typical timeline

3y 5m

Avg Prosecution

13 currently pending

Career history

416

Total Applications

across all art units

Statute-Specific Performance

§101

0.6%

-39.4% vs TC avg

§103

81.2%

+41.2% vs TC avg

§102

6.0%

-34.0% vs TC avg

§112

5.0%

-35.0% vs TC avg

Black line = Tech Center average estimate • Based on career data from 401 resolved cases

Prosecution Timeline

Oct 25, 2023

Application Filed

May 21, 2026

Non-Final Rejection mailed (current)

Precedent Cases

Applications granted by this same examiner with similar technology

18/012,217

Patent 12683164

NEGATIVE ELECTRODE FOR LITHIUM ION SECONDARY BATTERY

3y 6m to grant Granted Jul 14, 2026

18/093,068

Patent 12683200

BATTERY PACK

3y 6m to grant Granted Jul 14, 2026

18/178,546

Patent 12614739

MEMBER FOR FUEL CELL AND METHOD FOR MANUFACTURING SAME

3y 1m to grant Granted Apr 28, 2026

18/665,563

Patent 12609412

POLYETHYLENE MICROPOROUS MEMBRANE, METHOD FOR MANUFACTURING THE SAME, AND SEPARATOR INCLUDING MICROPOROUS MEMBRANE

1y 11m to grant Granted Apr 21, 2026

18/071,418

Patent 12573696

SECONDARY BATTERY

3y 3m to grant Granted Mar 10, 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

61%

Grant Probability

94%

With Interview (+33.2%)

3y 5m (~9m remaining)

Median Time to Grant

Low

PTA Risk

Based on 401 resolved cases by this examiner. Grant probability derived from career allowance rate.