Last updated: July 17, 2026

Application No. 18/400,057

APPARATUS AND METHOD FOR ESTIMATION OF BATTERY STATE-OF-CHARGE

Non-Final OA

Filed

Dec 29, 2023

Priority

Sep 13, 2023 — RE 10-2023-0121796

Examiner

HAGOS, EYOB

Art Unit

2857

Tech Center

2800 — Semiconductors & Electrical Systems

Assignee

Samsung SDI Co., Ltd.

OA Round

1 (Non-Final)

Interview Optional

— +42.4% interview lift. Examiner has a relatively high allowance rate (67%); +42.4% interview lift. A written response may suffice.

Based on 398 resolved cases, 2023–2026

Examiner Intelligence

HAGOS, EYOB View full profile →

Grants 67% — above average

Career Allowance Rate

266 granted / 398 resolved

-1.2% vs TC avg

Strong +42% interview lift

Without

With

+42.4%

Interview Lift

resolved cases with interview

Typical timeline

3y 4m

Avg Prosecution

28 currently pending

Career history

427

Total Applications

across all art units

Statute-Specific Performance

§101

7.4%

-32.6% vs TC avg

§103

86.9%

+46.9% vs TC avg

§102

2.1%

-37.9% vs TC avg

§112

3.1%

-36.9% vs TC avg

Black line = Tech Center average estimate • Based on career data from 398 resolved cases

Prosecution Timeline

Dec 29, 2023

Application Filed

Apr 15, 2026

Non-Final Rejection mailed (current)

Precedent Cases

Applications granted by this same examiner with similar technology

17/832,219

Patent 12656406

STATE-OF-HEALTH ESTIMATION PIPELINE FOR LI-ION BATTERY PACKS WITH HETEROGENEOUS CELLS

4y 0m to grant Granted Jun 16, 2026

17/631,252

Patent 12638509

METHOD FOR ESTIMATING THE TEMPERATURE RISE RATE OF A BATTERY UNDER PULSED HEATING

4y 3m to grant Granted May 26, 2026

18/269,584

Patent 12618904

VALVE-LEVEL FAULT LOCATION METHOD AND SYSTEM FOR CONVETERS BASED ON HORIZONTAL AND VERTICAL STATE DIFFERENCES OF VALVES

2y 10m to grant Granted May 05, 2026

18/053,591

Patent 12598233

METHODS OF REPLACING SENSOR DEVICES

3y 5m to grant Granted Apr 07, 2026

19/021,574

Patent 12584884

PERFORMANCE TESTING AND EVALUATION METHOD FOR PERMALLOY MATERIAL FOR CONSTRUCTION OF MAGNETICALLY-SHIELDED ROOM

1y 2m to grant Granted Mar 24, 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

67%

Grant Probability

99%

With Interview (+42.4%)

3y 4m (~9m remaining)

Median Time to Grant

Low

PTA Risk

Based on 398 resolved cases by this examiner. Grant probability derived from career allowance rate.