Last updated: July 17, 2026

Application No. 18/948,641

SYSTEMS AND PROCESSES FOR CATALYTIC CONVERSION OF C1-C5 ALCOHOLS TO C2-C5 OLEFIN MIXTURES

Non-Final OA

Filed

Nov 15, 2024

Priority

Nov 28, 2023 — provisional 63/603,330 +1 more

Examiner

FADHEL, ALI Z

Art Unit

Tech Center

Assignee

LG Chem Ltd.

OA Round

1 (Non-Final)

Interview Optional

— +9.0% interview lift. Interview lift (+9.0%) is below the 15.0% threshold. A written response is recommended.

Based on 489 resolved cases, 2023–2026

Examiner Intelligence

FADHEL, ALI Z View full profile →

Grants 76% — above average

Career Allowance Rate

373 granted / 489 resolved

+16.3% vs TC avg

Moderate +9% lift

Without

With

+9.0%

Interview Lift

resolved cases with interview

Typical timeline

2y 4m

Avg Prosecution

25 currently pending

Career history

505

Total Applications

across all art units

Statute-Specific Performance

§101

0.8%

-39.2% vs TC avg

§103

72.3%

+32.3% vs TC avg

§102

6.5%

-33.5% vs TC avg

§112

8.1%

-31.9% vs TC avg

Black line = Tech Center average estimate • Based on career data from 489 resolved cases

Prosecution Timeline

Nov 15, 2024

Application Filed

Jun 05, 2026

Non-Final Rejection mailed (current)

Precedent Cases

Applications granted by this same examiner with similar technology

18/440,016

Patent 12679788

STABLE PRODUCT OLIGOMER SELECTIVITY FROM OLEFIN OLIGOMERIZATION ON ZSM-5 ZEOLITES AND ZEOTYPES

2y 5m to grant Granted Jul 14, 2026

18/264,271

Patent 12673875

Method of Synthesizing a Molecular Sieve of MWW Framework Type

2y 11m to grant Granted Jul 07, 2026

18/221,806

Patent 12668556

CATALYSTS AND METHODS FOR METHANE DEHYDROGENATION

2y 11m to grant Granted Jun 30, 2026

18/280,265

Patent 12662435

OLEFIN PRODUCTION DEVICE AND OLEFIN PRODUCTION METHOD

2y 9m to grant Granted Jun 23, 2026

18/281,837

Patent 12662434

Direct Conversion of Methane to C2 and Higher Hydrocarbons

2y 9m to grant Granted Jun 23, 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

85%

With Interview (+9.0%)

2y 4m (~8m remaining)

Median Time to Grant

Low

PTA Risk

Based on 489 resolved cases by this examiner. Grant probability derived from career allowance rate.