Last updated: July 17, 2026

Application No. 18/458,853

ETHER-BASED ELECTROLYTES FOR LITHIUM METAL BATTERIES, LITHIUM METAL BATTERIES, AND METHODS OF USE

Non-Final OA

Filed

Aug 30, 2023

Priority

Aug 31, 2022 — provisional 63/402,752 +1 more

Examiner

COCHENOUR, ZACKARY RICHARD

Art Unit

1752

Tech Center

1700 — Chemical & Materials Engineering

Assignee

Purdue Research Foundation

OA Round

1 (Non-Final)

Interview Optional

— +36.8% interview lift. Examiner has a relatively high allowance rate (76%); +36.8% interview lift. A written response may suffice.

Based on 59 resolved cases, 2023–2026

Examiner Intelligence

COCHENOUR, ZACKARY RICHARD View full profile →

Grants 76% — above average

Career Allowance Rate

45 granted / 59 resolved

+11.3% vs TC avg

Strong +37% interview lift

Without

With

+36.8%

Interview Lift

resolved cases with interview

Typical timeline

3y 3m

Avg Prosecution

15 currently pending

Career history

Total Applications

across all art units

Statute-Specific Performance

§103

84.4%

+44.4% vs TC avg

§102

8.3%

-31.7% vs TC avg

§112

2.1%

-37.9% vs TC avg

Black line = Tech Center average estimate • Based on career data from 59 resolved cases

Prosecution Timeline

Aug 30, 2023

Application Filed

May 27, 2026

Non-Final Rejection mailed (current)

Precedent Cases

Applications granted by this same examiner with similar technology

17/634,792

Patent 12676363

HEAT TRANSFER SUPPRESSION SHEET AND BATTERY PACK

4y 4m to grant Granted Jul 07, 2026

18/178,404

Patent 12665230

Battery module preventing thermal runway

3y 3m to grant Granted Jun 23, 2026

17/787,788

Patent 12658442

ANODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY AND METHOD OF MANUFACTURING SAME

3y 12m to grant Granted Jun 16, 2026

18/808,093

Patent 12626998

END COVER ASSEMBLY, BATTERY, AND ELECTRIC DEVICE

1y 8m to grant Granted May 12, 2026

17/638,182

Patent 12609373

PULSATING HEAT PIPE-BASED BATTERY COOLING MODULE AND BATTERY UNIT INCLUDING THE SAME

4y 1m 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

76%

Grant Probability

99%

With Interview (+36.8%)

3y 3m (~5m remaining)

Median Time to Grant

Low

PTA Risk

Based on 59 resolved cases by this examiner. Grant probability derived from career allowance rate.