Last updated: April 19, 2026

Application No. 18/287,766

TITANIUM OXIDE PARTICLE-METAL PARTICLE COMPOSITION AND METHOD FOR PRODUCING SAME

Non-Final OA

Filed

Oct 20, 2023

Examiner

LANGEL, WAYNE A

Art Unit

1736

Tech Center

1700 — Chemical & Materials Engineering

Assignee

Shin-Etsu Chemical Co. Ltd.

OA Round

1 (Non-Final)

Interview Optional

— +23.3% interview lift. This examiner has a relatively high allow rate; a written response may suffice.

Based on 1622 resolved cases, 2023–2026

Examiner Intelligence

LANGEL, WAYNE A View full profile →

Grants 79% — above average

Career Allow Rate

1275 granted / 1622 resolved

+13.6% vs TC avg

Strong +23% interview lift

Without

With

+23.3%

Interview Lift

resolved cases with interview

Typical timeline

2y 7m

Avg Prosecution

46 currently pending

Career history

1668

Total Applications

across all art units

Statute-Specific Performance

§101

1.1%

-38.9% vs TC avg

§103

33.6%

-6.4% vs TC avg

§102

2.0%

-38.0% vs TC avg

§112

37.6%

-2.4% vs TC avg

Black line = Tech Center average estimate • Based on career data from 1622 resolved cases

Prosecution Timeline

Oct 20, 2023

Application Filed

Mar 24, 2026

Non-Final Rejection (current)

Precedent Cases

Applications granted by this same examiner with similar technology

17/409,770

Patent 12599151

BIOCHARS, BIOCHAR EXTRACTS AND BIOCHAR EXTRACTS HAVING SOLUBLE SIGNALING COMPOUNDS AND METHOD FOR CAPTURING MATERIAL EXTRACTED FROM BIOCHAR

2y 5m to grant Granted Apr 14, 2026

17/614,983

Patent 12590043

COMPOSITIONS AND METHODS FOR IMPROVING PLANT GROWTH AND ABIOTIC STRESS TOLERANCE

2y 5m to grant Granted Mar 31, 2026

17/962,887

Patent 12583802

AUTONOMOUS DEVICE FOR IN-FIELD CONVERSION OF BIOMASS INTO BIOCHAR

2y 5m to grant Granted Mar 24, 2026

18/184,450

Patent 12583801

PROCESS FOR PRODUCING FERTILIZER FROM A BIOGAS STREAM

2y 5m to grant Granted Mar 24, 2026

18/012,066

Patent 12577179

Methods and Compositions for Soil Regeneration and Improved Soil Hydrology

2y 5m to grant Granted Mar 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

79%

Grant Probability

99%

With Interview (+23.3%)

2y 7m

Median Time to Grant

Low

PTA Risk

Based on 1622 resolved cases by this examiner. Grant probability derived from career allow rate.