Last updated: May 29, 2026

Application No. 17/261,785

OPTIMIZED MULTI-STAGE INTERMITTENT FUGITIVE EMISSION DETECTION

Final Rejection

Filed

Jan 20, 2021

Priority

Jul 20, 2018 — provisional 62/701,258 +1 more

Examiner

SUN, XIUQIN

Art Unit

2857

Tech Center

2800 — Semiconductors & Electrical Systems

Assignee

Schlumberger Technology Corporation

OA Round

8 (Final)

Interview Optional

— +3.6% interview lift. Interview already conducted in this application's prosecution history. This examiner has a 73% grant rate with +3.6% interview lift. Since an interview has already been tried, recommend written response with narrowed claims based on precedent claim evolution patterns.

Based on 594 resolved cases, 2023–2026

Examiner Intelligence

SUN, XIUQIN View full profile →

Grants 73% — above average

Career Allowance Rate

433 granted / 594 resolved

+4.9% vs TC avg

Minimal +4% lift

Without

With

+3.6%

Interview Lift

resolved cases with interview

Typical timeline

3y 3m

Avg Prosecution

28 currently pending

Career history

630

Total Applications

across all art units

Statute-Specific Performance

§101

15.1%

-24.9% vs TC avg

§103

68.8%

+28.8% vs TC avg

§102

10.2%

-29.8% vs TC avg

§112

2.9%

-37.1% vs TC avg

Black line = Tech Center average estimate • Based on career data from 594 resolved cases

Prosecution Timeline

Show 36 earlier events

Jun 16, 2025

Request for Continued Examination

Jun 17, 2025

Response after Non-Final Action

Jul 11, 2025

Non-Final Rejection mailed

Jul 14, 2025

Interview Requested

Jul 25, 2025

Examiner Interview Summary

Jul 25, 2025

Applicant Interview (Telephonic)

Aug 13, 2025

Response Filed

Sep 10, 2025

Final Rejection mailed (current)

Precedent Cases

Applications granted by this same examiner with similar technology

18/069,776

Patent 12638328

APPARATUS FOR ANALYSING THE CONDITION OF A MACHINE HAVING A ROTATING PART

3y 5m to grant Granted May 26, 2026

18/068,295

Patent 12553716

SYSTEMS AND METHODS FOR DETERMINING WHEN AN ESTIMATED ALTITUDE OF A MOBILE DEVICE CAN BE USED FOR CALIBRATION OR LOCATION DETERMINATION

3y 2m to grant Granted Feb 17, 2026

16/708,045

Patent 12535190

SYSTEM AND METHOD FOR ELECTRIC HEATING TRACE SYSTEM MANAGEMENT

6y 1m to grant Granted Jan 27, 2026

19/074,504

Patent 12529454

METHODS, SYSTEMS, AND MEDIA FOR GAS PIPELINE SAFETY MONITORING BASED ON REGULATORY INTERNET OF THINGS

10m to grant Granted Jan 20, 2026

18/122,934

Patent 12481924

SYSTEM, METHOD AND/OR COMPUTER READABLE MEDIUM FOR MONITORING AND PREDICTIVELY CONTROLLING CLOSED ENVIRONMENTS

2y 8m to grant Granted Nov 25, 2025

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

9-10

Expected OA Rounds

73%

Grant Probability

76%

With Interview (+3.6%)

3y 3m (~0m remaining)

Median Time to Grant

High

PTA Risk

Based on 594 resolved cases by this examiner. Grant probability derived from career allowance rate.