Last updated: July 17, 2026

Application No. 18/526,114

BIODEGRADABLE SURFACTANT FLUID LOSS CONTROL ADDITIVE

Non-Final OA

Filed

Dec 01, 2023

Examiner

RUNYAN, SILVANA C

Art Unit

3674

Tech Center

3600 — Transportation & Electronic Commerce

Assignee

Halliburton Energy Services Inc.

OA Round

1 (Non-Final)

Interview Optional

— +17.2% interview lift. Examiner has a relatively high allowance rate (82%); +17.2% interview lift. A written response may suffice.

Based on 1052 resolved cases, 2023–2026

Examiner Intelligence

RUNYAN, SILVANA C View full profile →

Grants 82% — above average

Career Allowance Rate

866 granted / 1052 resolved

+30.3% vs TC avg

Strong +17% interview lift

Without

With

+17.2%

Interview Lift

resolved cases with interview

Fast prosecutor

2y 2m

Avg Prosecution

46 currently pending

Career history

1106

Total Applications

across all art units

Statute-Specific Performance

§101

0.7%

-39.3% vs TC avg

§103

72.8%

+32.8% vs TC avg

§102

12.2%

-27.8% vs TC avg

§112

3.3%

-36.7% vs TC avg

Black line = Tech Center average estimate • Based on career data from 1052 resolved cases

Prosecution Timeline

Dec 01, 2023

Application Filed

May 19, 2026

Non-Final Rejection mailed (current)

Precedent Cases

Applications granted by this same examiner with similar technology

18/125,021

Patent 12680238

ASPHALT COMPACTOR STOP/START ASSIST

3y 3m to grant Granted Jul 14, 2026

18/866,520

Patent 12680421

SEQUESTRATION OF BIO-SLUDGE IN A SUBTERRANEAN FORMATION

1y 8m to grant Granted Jul 14, 2026

18/953,990

Patent 12680412

PLUG AND ABANDON WITH FUSIBLE ALLOY SEAL

1y 7m to grant Granted Jul 14, 2026

19/072,227

Patent 12680432

CONTINUOUS CARBON DIOXIDE INJECTION DURING ZIPPER HYDRAULIC FRACTURING OPERATIONS

1y 4m to grant Granted Jul 14, 2026

19/098,183

Patent 12680433

SELF-CORRECTING FLOW IN SUBSURFACE WELLS

1y 3m to grant Granted Jul 14, 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

82%

Grant Probability

99%

With Interview (+17.2%)

2y 2m (~0m remaining)

Median Time to Grant

Low

PTA Risk

Based on 1052 resolved cases by this examiner. Grant probability derived from career allowance rate.