Last updated: July 17, 2026

Application No. 18/675,215

Gas Separation Membrane

Non-Final OA

Filed

May 28, 2024

Priority

May 29, 2023 — JP 2023-087719

Examiner

LAWRENCE JR, FRANK M

Art Unit

Tech Center

Assignee

Seiko Epson Corporation

OA Round

1 (Non-Final)

Interview Optional

— +19.8% interview lift. Examiner has a relatively high allowance rate (84%); +19.8% interview lift. A written response may suffice.

Based on 1421 resolved cases, 2023–2026

Examiner Intelligence

LAWRENCE JR, FRANK M View full profile →

Grants 84% — above average

Career Allowance Rate

1192 granted / 1421 resolved

+23.9% vs TC avg

Strong +20% interview lift

Without

With

+19.8%

Interview Lift

resolved cases with interview

Typical timeline

2y 4m

Avg Prosecution

32 currently pending

Career history

1438

Total Applications

across all art units

Statute-Specific Performance

§101

0.5%

-39.5% vs TC avg

§103

59.9%

+19.9% vs TC avg

§102

9.4%

-30.6% vs TC avg

§112

20.5%

-19.5% vs TC avg

Black line = Tech Center average estimate • Based on career data from 1421 resolved cases

Prosecution Timeline

May 28, 2024

Application Filed

May 21, 2026

Non-Final Rejection mailed (current)

Precedent Cases

Applications granted by this same examiner with similar technology

18/543,252

Patent 12678816

FILTER SYSTEM FOR SPRAY BOOTH

2y 6m to grant Granted Jul 14, 2026

18/406,855

Patent 12673282

COALESCER FILTER MEDIA

2y 6m to grant Granted Jul 07, 2026

18/342,099

Patent 12667803

HIGH RECOVERY PROCESS FOR PURIFICATION OF MULTICOMPONENT GASES

3y 0m to grant Granted Jun 30, 2026

18/441,201

Patent 12661614

FILTER ASSEMBLY FOR A THERAPEUTIC GAS DELIVERY DEVICE

2y 4m to grant Granted Jun 23, 2026

18/272,408

Patent 12654128

METHOD AND APPARATUS FOR DRYING A FLOW RICH IN CARBON DIOXIDE

2y 11m to grant Granted Jun 16, 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

84%

Grant Probability

99%

With Interview (+19.8%)

2y 4m (~2m remaining)

Median Time to Grant

Low

PTA Risk

Based on 1421 resolved cases by this examiner. Grant probability derived from career allowance rate.