Last updated: July 17, 2026

Application No. 18/936,366

Positive Electrode Active Material Precursor for Secondary Battery, Preparation Method Thereof and Method of Preparing Positive Electrode Active Material

Non-Final OA

Filed

Nov 04, 2024

Priority

Sep 26, 2019 — RE 10-2019-0119111 +2 more

Examiner

DIGGS, TANISHA

Art Unit

1761

Tech Center

1700 — Chemical & Materials Engineering

Assignee

LG Chem Ltd.

OA Round

1 (Non-Final)

This examiner grants 55% of cases after interview

— +53.8% interview lift. A telephonic interview to clarify the technical implementation could significantly improve the outcome.

Based on 728 resolved cases, 2023–2026

Examiner Intelligence

DIGGS, TANISHA View full profile →

Grants 55% of resolved cases

Career Allowance Rate

399 granted / 728 resolved

-10.2% vs TC avg

Strong +54% interview lift

Without

With

+53.8%

Interview Lift

resolved cases with interview

Typical timeline

3y 1m

Avg Prosecution

40 currently pending

Career history

764

Total Applications

across all art units

Statute-Specific Performance

§101

0.1%

-39.9% vs TC avg

§103

95.0%

+55.0% vs TC avg

§102

3.5%

-36.5% vs TC avg

§112

0.9%

-39.1% vs TC avg

Black line = Tech Center average estimate • Based on career data from 728 resolved cases

Prosecution Timeline

Nov 04, 2024

Application Filed

Apr 24, 2026

Non-Final Rejection mailed (current)

Precedent Cases

Applications granted by this same examiner with similar technology

17/802,654

Patent 12683207

METHODS FOR PREPARING CATHODE ACTIVE MATERIAL PRECURSOR MATERIAL AND CATHODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, AND CATHODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY PREPARED ACCORDING TO SAME

3y 10m to grant Granted Jul 14, 2026

18/751,369

Patent 12679982

INTUMESCENT FIRE-RETARDANT AND ANTI-CORROSIVE COATING MODIFIED BY POLYANILINE-SILICON CARBIDE AND PREPARATION METHOD THEREOF

2y 0m to grant Granted Jul 14, 2026

18/111,589

Patent 12668681

Nanocomposite Flame Retardant, Flame Retardant Bismaleimide Resin and Preparation Method Thereof

3y 4m to grant Granted Jun 30, 2026

17/614,017

Patent 12637542

SELF-FLAME-RETARDANT COPOLYESTERAMIDE

4y 6m to grant Granted May 26, 2026

17/978,241

Patent 12620579

METHOD FOR PREPARING CARBON-COATED LITHIUM IRON PHOSPHATE MATERIAL FROM FERROUS PHOSPHATE

3y 6m to grant Granted May 05, 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

55%

Grant Probability

99%

With Interview (+53.8%)

3y 1m (~1y 5m remaining)

Median Time to Grant

Low

PTA Risk

Based on 728 resolved cases by this examiner. Grant probability derived from career allowance rate.