Last updated: April 24, 2026

Application No. 19/261,187

Untitled Application

Unknown

Filed

3600

Examiner

RUNYAN, SILVANA C

Art Unit

3674

Tech Center

China National Petroleum Corporation

Assignee

China National Petroleum Corporation

OA Round

1 (Non-Final)

Interview Optional

— +17.3% interview lift. This examiner has a relatively high allow rate; a written response may suffice.

Based on 1036 resolved cases, 2023–2026

Examiner Intelligence

RUNYAN, SILVANA C View full profile →

Grants 82% — above average

Career Allow Rate

850 granted / 1036 resolved

+22.0% vs TC avg

Strong +17% interview lift

Without

With

+17.3%

Interview Lift

resolved cases with interview

Typical timeline

2y 3m

Avg Prosecution

50 currently pending

Career history

1086

Total Applications

across all art units

Statute-Specific Performance

§101

0.4%

-39.6% vs TC avg

§103

41.0%

+1.0% vs TC avg

§102

24.9%

-15.1% vs TC avg

§112

24.0%

-16.0% vs TC avg

Black line = Tech Center average estimate • Based on career data from 1036 resolved cases

Prosecution Timeline

3600

Application Filed

Precedent Cases

Applications granted by this same examiner with similar technology

18/665,394

Patent 12606734

Methods for Stimulating a Hydrocarbon-bearing Formation by Perforating a Wellbore and Introducing an Acidic Composition in the Wellbore

2y 5m to grant Granted Apr 21, 2026

18/894,697

Patent 12606735

NOVEL DOWNHOLE METHODS AND COMPOSITIONS USED IN SUCH

2y 5m to grant Granted Apr 21, 2026

18/358,356

Patent 12600058

CARBONIZED BRICK OF RECYCLED CONCRETE POWDERS AND PREPARATION METHOD THEREOF

2y 5m to grant Granted Apr 14, 2026

18/505,445

Patent 12577450

COMPOSITIONS FOR SINGLE-STAGE TREATMENT OF SILICEOUS SUBTERRANEAN FORMATIONS

2y 5m to grant Granted Mar 17, 2026

18/614,191

Patent 12577453

DOWNHOLE METHODS AND COMPOSITIONS USED IN SUCH

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

82%

Grant Probability

99%

With Interview (+17.3%)

2y 3m

Median Time to Grant

Low

PTA Risk

Based on 1036 resolved cases by this examiner. Grant probability derived from career allow rate.