Last updated: April 19, 2026

Application No. 18/029,015

WATER REPELLENT COMPOSITION AND FIBER TREATMENT AGENT

Non-Final OA

Filed

Aug 25, 2023

Examiner

TESKIN, FRED M

Art Unit

1762

Tech Center

1700 — Chemical & Materials Engineering

Assignee

Shin-Etsu Chemical Co. Ltd.

OA Round

1 (Non-Final)

Interview Optional

— +7.8% interview lift. This examiner has a relatively high allow rate; a written response may suffice.

Based on 1313 resolved cases, 2023–2026

Examiner Intelligence

TESKIN, FRED M View full profile →

Grants 90% — above average

Career Allow Rate

1176 granted / 1313 resolved

+24.6% vs TC avg

Moderate +8% lift

Without

With

+7.8%

Interview Lift

resolved cases with interview

Typical timeline

2y 3m

Avg Prosecution

34 currently pending

Career history

1347

Total Applications

across all art units

Statute-Specific Performance

§101

1.0%

-39.0% vs TC avg

§103

38.7%

-1.3% vs TC avg

§102

17.0%

-23.0% vs TC avg

§112

27.6%

-12.4% vs TC avg

Black line = Tech Center average estimate • Based on career data from 1313 resolved cases

Prosecution Timeline

Aug 25, 2023

Application Filed

Mar 04, 2026

Non-Final Rejection (current)

Precedent Cases

Applications granted by this same examiner with similar technology

18/147,458

Patent 12600831

LATEX HYPERBRANCHED ANION EXCHANGERS

2y 5m to grant Granted Apr 14, 2026

18/598,472

Patent 12599887

Loop Slurry Reactor Cooling Processes and Systems

2y 5m to grant Granted Apr 14, 2026

17/781,463

Patent 12595330

Polyolefin-Polystyrene-Based Multiblock Copolymer and Method for Preparing the Same

2y 5m to grant Granted Apr 07, 2026

17/733,341

Patent 12590179

COPOLYMERS AND TERPOLYMERS OF POST MODIFIED POLYACRYLATES AS EFFICIENT GAS HYDRATE INHIBITORS

2y 5m to grant Granted Mar 31, 2026

18/272,685

Patent 12590409

ACRYLATE OLIGOMERS, ACRYLATE OLIGOMER EMULSIONS, AND FLUORINE-FREE STAIN-RELEASE COMPOSITIONS CONTAINING THE SAME

2y 5m to grant Granted Mar 31, 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

90%

Grant Probability

97%

With Interview (+7.8%)

2y 3m

Median Time to Grant

Low

PTA Risk

Based on 1313 resolved cases by this examiner. Grant probability derived from career allow rate.