Last updated: July 17, 2026

Application No. 18/283,370

Method of Preparing Positive Electrode Active Material

Non-Final OA

Filed

Sep 21, 2023

Priority

Mar 25, 2021 — RE 10-2021-0038784 +1 more

Examiner

EFYMOW, JESSE JAMES

Art Unit

1723

Tech Center

1700 — Chemical & Materials Engineering

Assignee

LG Chem Ltd.

OA Round

1 (Non-Final)

Interview Optional

— +16.7% interview lift. Examiner has a relatively high allowance rate (95%); +16.7% interview lift. A written response may suffice.

Based on 20 resolved cases, 2023–2026

Examiner Intelligence

EFYMOW, JESSE JAMES View full profile →

Grants 95% — above average

Career Allowance Rate

19 granted / 20 resolved

+30.0% vs TC avg

Strong +17% interview lift

Without

With

+16.7%

Interview Lift

resolved cases with interview

Typical timeline

3y 4m

Avg Prosecution

43 currently pending

Career history

Total Applications

across all art units

Statute-Specific Performance

§103

96.1%

+56.1% vs TC avg

§102

3.9%

-36.1% vs TC avg

Black line = Tech Center average estimate • Based on career data from 20 resolved cases

Prosecution Timeline

Sep 21, 2023

Application Filed

Mar 30, 2026

Non-Final Rejection mailed (current)

Precedent Cases

Applications granted by this same examiner with similar technology

17/781,263

Patent 12603271

APPARATUS FOR PRE-LITHIATION OF NEGATIVE ELECTRODE AND METHOD FOR PRE-LITHIATION OF NEGATIVE ELECTRODE

3y 10m to grant Granted Apr 14, 2026

18/097,364

Patent 12603369

BATTERY MODULE

3y 2m to grant Granted Apr 14, 2026

17/939,412

Patent 12586782

ACTIVE MATERIAL, ANODE LAYER, BATTERY, AND METHODS FOR PRODUCING THESE

3y 6m to grant Granted Mar 24, 2026

17/789,541

Patent 12562430

BATTERY MODULE, AND BATTERY PACK AND AUTOMOBILE INCLUDING SAME

3y 8m to grant Granted Feb 24, 2026

17/877,011

Patent 12548795

ELECTROLYTE ADDITIVES FOR CAPACITOR-ASSISTED BATTERY

3y 6m to grant Granted Feb 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

95%

Grant Probability

99%

With Interview (+16.7%)

3y 4m (~6m remaining)

Median Time to Grant

Low

PTA Risk

Based on 20 resolved cases by this examiner. Grant probability derived from career allowance rate.