Prosecution Insights
Last updated: August 18, 2026

Examiner: HALL, KRISTYN A

Tech Center 3600 • Art Units: 3672 3676 3679

This examiner grants 82% of resolved cases

Performance Statistics

81.9%
Allow Rate
+29.9% vs TC avg
779
Total Applications
-6.0%
Interview Lift
819
Avg Prosecution Days
Based on 759 resolved cases, 2023–2026

Rejection Statute Breakdown

4.1%
§101 Eligibility
19.1%
§102 Novelty
43.7%
§103 Obviousness
27.7%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18146561 SLUG MONITORING AND FORECASTING IN PRODUCTION FLOWLINES THROUGH ARTIFICIAL INTELLIGENCE Final Rejection Schlumberger Technology Corporation
19304016 MOBILE RIG TO WELL SECUREMENT SYSTEM AND METHOD Non-Final OA THRU TUBING SOLUTIONS, INC.
19205002 TWO-PART DRILLING AND RUNNING TOOL Final Rejection Halliburton Energy Services, Inc.
19096269 MULTI PASS TWO-PART DRILLING/RUNNING AND ACTIVATION TOOL Final Rejection Halliburton Energy Services, Inc.
19016851 FORMATION ELASTIC PROPERTY EVALUATION USING DRILLING DATA BASED ON A BIT-ROCK INTERACTION MODEL Non-Final OA Halliburton Energy Services, Inc.
18604730 WELL SYSTEM INCLUDING A LOWER COMPLETION STRING HAVING A PLURALITY OF SENSORS DISTRIBUTED ALONG AT LEAST A PORTION THEREOF Final Rejection Halliburton Energy Services, Inc.
17072851 USE OF RESIDUAL GRAVITATIONAL SIGNAL TO GENERATE ANOMALY DETECTION MODEL Non-Final OA HALLIBURTON ENERGY SERVICES, INC.
19278243 METHOD FOR IMPROVING WELL INTEGRITY MANAGEMENT FOR GAS LIFT OIL WELLS Final Rejection Saudi Arabian Oil Company
18093029 WATER WASHING ESTIMATION AND PREDICTION FROM STATISTICAL RELATIONSHIPS OF GAS COMPOSITIONS Non-Final OA Saudi Arabian Oil Company
18965908 COMPUTER IMPLEMENTED METHOD FOR REAL-TIME LWD PROFILE PREDICTION IN THE INTERVALS FROM THE DRILL TIP TO THE LIMIT OF THE DEPTH PROFILE OFFSETS Final Rejection PETRÓLEO BRASILEIRO S.A. - PETROBRAS
18933825 BIT DAMAGE INDICATOR Final Rejection Baker Hughes oilfield Operations LLC
18166470 Systems and Methods Having An Analytical Tool For Diagnosis Of The Source Of Water Production In An Oil And Gas Well Non-Final OA Weatherford Technology Holdings, LLC

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