Prosecution Insights
Last updated: April 19, 2026

Examiner: JOHANSEN, JOHN E

Tech Center 3700 • Art Units: 2116 2123 2127 2146 2187 3729

This examiner grants 77% of resolved cases

Performance Statistics

76.7%
Allow Rate
+6.7% vs TC avg
319
Total Applications
+26.2%
Interview Lift
1285
Avg Prosecution Days
Based on 296 resolved cases, 2023–2026

Rejection Statute Breakdown

29.5%
§101 Eligibility
5.8%
§102 Novelty
40.6%
§103 Obviousness
20.0%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17681109 WORKFLOW OF INFLOW PERFORMANCE RELATIONSHIP FOR A RESERVOIR USING MACHINE LEARNING TECHNIQUE Final Rejection Chevron U.S.A. Inc.
17959871 OPTIMAL DRILLING AND FRACTURING SEQUENCES FOR PLACING NUMEROUS HORIZONTAL WELLS IN TIGHT RESERVOIRS Non-Final OA Saudi Arabian Oil Company
17877787 MODELLING A CONDENSATE BLOCKAGE EFFECT IN A SIMULATION MODEL Non-Final OA SAUDI ARABIAN OIL COMPANY
17861506 PREDICTION OF BOUND FLUID VOLUMES USING MACHINE LEARNING Non-Final OA Saudi Arabian Oil Company
17452280 QUANTIFYING UNCERTAINTY IN POROSITY COMPACTION MODELS OF SEDIMENTARY ROCK Non-Final OA SAUDI ARABIAN OIL COMPANY
17734827 SYSTEM AND METHOD FOR AUTOMATED URBAN PLANNING Non-Final OA University of Central Florida Research Foundation, Inc.
17879983 EXPONENTIAL MODEL-BASED METHOD FOR PREDICTING TWO-DIMENSIONAL FLOW VELOCITY FIELD IN RIVER CHANNEL WITH EMERGENT VEGETATION Final Rejection Sichuan University
17753926 MAGNETIC SHIELD Non-Final OA The University of Nottingham
17537093 SCALABLE EMULATED CYBER RANGE ENVIRONMENT Non-Final OA UCHICAGO ARGONNE, LLC
17715926 INTELLIGENT VIRTUAL ENVIRONMENT THAT FACILITATES INTEGRATING HYDROLOGY DATA INTO SUBSEQUENT ANALYSES Non-Final OA The Alliance Group Enterprise, Inc.

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