Last updated: July 12, 2026

Application No. 19/172,294

Untitled Application

Unknown

Filed

Priority

Dec 01, 2024 — provisional 63/726,584

Examiner

WOOD, DOUGLAS S

Art Unit

Tech Center

Halliburton Energy Services, Inc.

Assignee

Halliburton Energy Services Inc.

OA Round

2 (Non-Final)

Interview Optional

— +11.4% interview lift. Interview already conducted in this application's prosecution history. This examiner has a 78% grant rate with +11.4% interview lift. Since an interview has already been tried, recommend written response with narrowed claims based on precedent claim evolution patterns.

Based on 490 resolved cases, 2023–2026

Examiner Intelligence

WOOD, DOUGLAS S View full profile →

Grants 78% — above average

Career Allowance Rate

384 granted / 490 resolved

+18.4% vs TC avg

Moderate +11% lift

Without

With

+11.4%

Interview Lift

resolved cases with interview

Typical timeline

2y 3m

Avg Prosecution

25 currently pending

Career history

513

Total Applications

across all art units

Statute-Specific Performance

§103

67.4%

+27.4% vs TC avg

§102

28.1%

-11.9% vs TC avg

§112

2.3%

-37.7% vs TC avg

Black line = Tech Center average estimate • Based on career data from 490 resolved cases

Prosecution Timeline

Oct 01, 2025

Non-Final Rejection mailed

Dec 30, 2025

Examiner Interview Summary

Jan 16, 2026

Response Filed

May 14, 2026

Final Rejection mailed (current)

Precedent Cases

Applications granted by this same examiner with similar technology

18/481,644

Patent 12662891

DOWNHOLE TOOL INCLUDING A LOCKING DOG

2y 8m to grant Granted Jun 23, 2026

18/954,900

Patent 12650247

Fracturing Hot Rock

1y 6m to grant Granted Jun 09, 2026

19/107,582

Patent 12650057

MULTICYCLE VALVE SYSTEM

1y 3m to grant Granted Jun 09, 2026

18/492,599

Patent 12638608

CEMENT VALIDATION BY DOWNHOLE ULTRASONIC MEASUREMENTS

2y 7m to grant Granted May 26, 2026

19/062,547

Patent 12637922

SAFETY VALVE EMPLOYING RADIALLY COUPLED MAGNETIC TARGETS AND AN ELECTROMAGNET AXIALLY COUPLED TO A MAGNETIC TARGET

1y 3m to grant Granted May 26, 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.

Typically takes 5-10 seconds — AI-generated, attorney review required before filing

Prosecution Projections

2-3

Expected OA Rounds

78%

Grant Probability

90%

With Interview (+11.4%)

2y 3m

Median Time to Grant

Moderate

PTA Risk

Based on 490 resolved cases by this examiner. Grant probability derived from career allowance rate.