Last updated: July 17, 2026

Application No. 18/485,231

SECONDARY BATTERY

Non-Final OA

Filed

Oct 11, 2023

Priority

Dec 09, 2022 — RE 10-2022-0171582

Examiner

MELFI, OLIVIA MASON

Art Unit

1729

Tech Center

1700 — Chemical & Materials Engineering

Assignee

Samsung SDI Co., Ltd.

OA Round

1 (Non-Final)

Interview Optional

— +23.6% interview lift. Examiner has a relatively high allowance rate (65%); +23.6% interview lift. A written response may suffice.

Based on 40 resolved cases, 2023–2026

Examiner Intelligence

MELFI, OLIVIA MASON View full profile →

Grants 65% — above average

Career Allowance Rate

26 granted / 40 resolved

At TC average

Strong +24% interview lift

Without

With

+23.6%

Interview Lift

resolved cases with interview

Typical timeline

3y 5m

Avg Prosecution

35 currently pending

Career history

Total Applications

across all art units

Statute-Specific Performance

§101

0.4%

-39.6% vs TC avg

§103

92.4%

+52.4% vs TC avg

§102

3.0%

-37.0% vs TC avg

§112

1.5%

-38.5% vs TC avg

Black line = Tech Center average estimate • Based on career data from 40 resolved cases

Prosecution Timeline

Oct 11, 2023

Application Filed

Nov 20, 2023

Response after Non-Final Action

May 26, 2026

Non-Final Rejection mailed (current)

Precedent Cases

Applications granted by this same examiner with similar technology

17/969,630

Patent 12683150

HIGH-NICKEL POSITIVE ELECTRODE ACTIVE MATERIAL, PREPARATION METHOD THEREOF, AND LITHIUM-ION BATTERY, BATTERY MODULE, BATTERY PACK AND POWER CONSUMING DEVICE COMPRISING SAME

3y 8m to grant Granted Jul 14, 2026

18/259,511

Patent 12671087

LITHIUM METAL COMPOSITE OXIDE, POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, POSITIVE ELECTRODE FOR LITHIUM SECONDARY BATTERY, AND LITHIUM SECONDARY BATTERY

3y 0m to grant Granted Jun 30, 2026

17/366,527

Patent 12649370

MOTOR VEHICLE

4y 11m to grant Granted Jun 09, 2026

17/442,520

Patent 12637363

CATHODE MATERIAL AND PREPARATION METHOD THEREOF AND SECONDARY LITHIUM BATTERY

4y 8m to grant Granted May 26, 2026

17/535,938

Patent 12609303

ANODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY AND METHOD OF PREPARING THE SAME

4y 4m to grant Granted Apr 21, 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.

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Prosecution Projections

1-2

Expected OA Rounds

65%

Grant Probability

89%

With Interview (+23.6%)

3y 5m (~8m remaining)

Median Time to Grant

Low

PTA Risk

Based on 40 resolved cases by this examiner. Grant probability derived from career allowance rate.