Last updated: October 27, 2026

Application No. 18/550,683

CATALYST LAYER FOR FUEL CELL AND MANUFACTURING METHOD THEREFOR, MEMBRANE-ELECTRODE ASSEMBLY AND MANUFACTURING METHOD THEREFOR, AND FUEL CELL

Final Rejection

Filed

Sep 15, 2023

Priority

Apr 07, 2021 — RE 10-2021-0045038 +1 more

Examiner

LEE, DANIEL H.

Art Unit

1746

Tech Center

1700 — Chemical & Materials Engineering

Assignee

Kolon Industries Inc.

OA Round

2 (Final)

Interview Optional

— +25.1% interview lift. Examiner has a relatively high allowance rate (71%); +25.1% interview lift. A written response may suffice.

Based on 559 resolved cases, 2023–2026

Examiner Intelligence

LEE, DANIEL H. View full profile →

Grants 71% — above average

Career Allowance Rate

395 granted / 559 resolved

+5.7% vs TC avg

Strong +25% interview lift

Without

With

+25.1%

Interview Lift

resolved cases with interview

Typical timeline

2y 7m

Avg Prosecution

29 currently pending

Career history

585

Total Applications

across all art units

Statute-Specific Performance

§101

0.2%

-39.8% vs TC avg

§103

60.4%

+20.4% vs TC avg

§102

9.6%

-30.4% vs TC avg

§112

26.7%

-13.3% vs TC avg

Black line = Tech Center average estimate • Based on career data from 559 resolved cases

Prosecution Timeline

Sep 15, 2023

Application Filed

Jul 08, 2026

Non-Final Rejection mailed

Sep 22, 2026

Response Filed

Oct 05, 2026

Final Rejection mailed (current)

Precedent Cases

Applications granted by this same examiner with similar technology

18/263,528

Patent 12770900

FUEL CELL HUMIDIFIER

3y 2m to grant Granted Oct 20, 2026

18/268,637

Patent 12770975

ZEOLITE-BASED COMPOSITE SEPARATOR FOR A LITHIUM-ION SECONDARY BATTERY AND MANUFACTURING METHOD THEREOF

3y 4m to grant Granted Oct 20, 2026

18/335,521

Patent 12763435

CELL STACK SUPPORT FOR A VEHICLE BATTERY CELL

3y 4m to grant Granted Oct 13, 2026

18/341,313

Patent 12763358

Electrolyte Formulation with Silicon-Containing Additive for Lithium-Ion Batteries

3y 3m to grant Granted Oct 13, 2026

18/504,499

Patent 12763369

ELECTROLYTE SOLUTION FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY INCLUDING SAME

2y 11m to grant Granted Oct 13, 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

3-4

Expected OA Rounds

71%

Grant Probability

96%

With Interview (+25.1%)

2y 7m (~0m remaining)

Median Time to Grant

Moderate

PTA Risk

Based on 559 resolved cases by this examiner. Grant probability derived from career allowance rate.