Last updated: July 17, 2026

Application No. 18/414,228

PRESSURE-VOLUME-TEMPERATURE (PVT) SYSTEM FOR RESERVOIR FLUID CHARACTERIZATION

Non-Final OA

Filed

Jan 16, 2024

Examiner

TCHATCHOUANG, CARL F.R.

Art Unit

2858

Tech Center

2800 — Semiconductors & Electrical Systems

Assignee

Saudi Arabian Oil Company

OA Round

1 (Non-Final)

Interview Optional

— +13.5% interview lift. Interview lift (+13.5%) is below the 15.0% threshold. A written response is recommended.

Based on 174 resolved cases, 2023–2026

Examiner Intelligence

TCHATCHOUANG, CARL F.R. View full profile →

Grants 83% — above average

Career Allowance Rate

145 granted / 174 resolved

+15.3% vs TC avg

Moderate +14% lift

Without

With

+13.5%

Interview Lift

resolved cases with interview

Typical timeline

2y 5m

Avg Prosecution

28 currently pending

Career history

202

Total Applications

across all art units

Statute-Specific Performance

§101

31.3%

-8.7% vs TC avg

§103

49.4%

+9.4% vs TC avg

§102

6.0%

-34.0% vs TC avg

§112

11.4%

-28.6% vs TC avg

Black line = Tech Center average estimate • Based on career data from 174 resolved cases

Prosecution Timeline

Jan 16, 2024

Application Filed

Apr 30, 2026

Non-Final Rejection mailed (current)

Precedent Cases

Applications granted by this same examiner with similar technology

18/455,452

Patent 12681003

METHODS AND DEVICES FOR MONITORING MACHINE FLUIDS

2y 10m to grant Granted Jul 14, 2026

18/305,171

Patent 12657679

POWER STATION INSPECTION SYSTEM AND POWER STATION INSPECTION METHOD

3y 1m to grant Granted Jun 16, 2026

18/010,811

Patent 12631672

METHOD FOR IDENTIFYING CONSUMER PHASE CONNECTIVITY IN LOW-VOLTAGE DISTRIBUTION NETWORK BASED ON VOLTAGE ASSOCIATION CHARACTERISTICS

3y 5m to grant Granted May 19, 2026

18/184,304

Patent 12631595

METHOD FOR DETERMINING THE GEOMETRY OF A DEFECT AND FOR DETERMINING A LOAD LIMIT

3y 2m to grant Granted May 19, 2026

18/347,287

Patent 12625026

BAROMETER CALIBRATION IN A LOCATION SHARING SYSTEM

2y 10m to grant Granted May 12, 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

83%

Grant Probability

97%

With Interview (+13.5%)

2y 5m (~0m remaining)

Median Time to Grant

Low

PTA Risk

Based on 174 resolved cases by this examiner. Grant probability derived from career allowance rate.