Last updated: April 19, 2026

Application No. 18/267,350

SONICATION OF CATALYST IN THE PRODUCTION OF AN ISOOLEFIN HOMOPOLYMER

Non-Final OA

Filed

Jun 14, 2023

Examiner

HUHN, RICHARD A

Art Unit

1764

Tech Center

1700 — Chemical & Materials Engineering

Assignee

Arlanxeo Singapore Pte. Ltd.

OA Round

1 (Non-Final)

Interview Optional

— +6.0% interview lift. This examiner has a relatively high allow rate; a written response may suffice.

Based on 882 resolved cases, 2023–2026

Examiner Intelligence

HUHN, RICHARD A View full profile →

Grants 66% — above average

Career Allow Rate

585 granted / 882 resolved

+1.3% vs TC avg

Moderate +6% lift

Without

With

+6.0%

Interview Lift

resolved cases with interview

Typical timeline

2y 11m

Avg Prosecution

36 currently pending

Career history

918

Total Applications

across all art units

Statute-Specific Performance

§101

0.5%

-39.5% vs TC avg

§103

37.2%

-2.8% vs TC avg

§102

22.3%

-17.7% vs TC avg

§112

25.3%

-14.7% vs TC avg

Black line = Tech Center average estimate • Based on career data from 882 resolved cases

Prosecution Timeline

Jun 14, 2023

Application Filed

Feb 13, 2026

Examiner Interview (Telephonic)

Mar 11, 2026

Non-Final Rejection (current)

Precedent Cases

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18/018,491

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2y 5m to grant Granted Mar 24, 2026

18/253,083

Patent 12583961

TUNABLE HIGH-CHI DIBLOCK COPOLYMERS CONSISTING OF ALTERNATING COPOLYMER SEGMENTS FOR DIRECTED SELF-ASSEMBLY AND APPLICATION THEREOF

2y 5m to grant Granted Mar 24, 2026

17/764,369

Patent 12552879

BIDENTATE BIARYLPHENOXY GROUP IV TRANSITION METAL CATALYSTS FOR OLEFIN POLYMERIZATION WITH CHAIN TRANSFER AGENTS

2y 5m to grant Granted Feb 17, 2026

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Patent 12552919

Vulcanization Process for Rubber Products

2y 5m to grant Granted Feb 17, 2026

Study what changed to get past this examiner. Based on 5 most recent grants.

AI Strategy Recommendation

Get an AI-powered prosecution strategy using examiner precedents, rejection analysis, and claim mapping.

Prosecution Projections

1-2

Expected OA Rounds

66%

Grant Probability

72%

With Interview (+6.0%)

2y 11m

Median Time to Grant

Low

PTA Risk

Based on 882 resolved cases by this examiner. Grant probability derived from career allow rate.

SONICATION OF CATALYST IN THE PRODUCTION OF AN ISOOLEFIN HOMOPOLYMER

Interview Optional

Examiner Intelligence

Statute-Specific Performance

Prosecution Timeline

Precedent Cases

Applications granted by this same examiner with similar technology

AI Strategy Recommendation

Prosecution Projections

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