Prosecution Insights
Last updated: October 02, 2026

Examiner: SULTANA, DILARA

Tech Center 4100 • Art Units: 2858 2867 3791 4100

This examiner grants 81% of resolved cases

Analysis

Dilara Sultana serves as a patent examiner in Tech Center 4100, working within Art Unit 2858. The examiner has reached a resolution in 135 cases. The allowance rate for these cases is 80.7 percent. This 80.7 percent rate provides a measure of how often applications are granted. Practitioners can use this data to evaluate the probability of a favorable outcome when an application is assigned to this examiner.

The record shows an interview lift of 16.4 percent. This positive 16.4 percent lift indicates that applications involving an interview are more likely to be allowed than those that are not. This suggests that direct discussion with the examiner is a productive method for resolving issues. Practitioners should consider the 16.4 percent lift when deciding whether to request an interview during prosecution in Tech Center 4100.

The median days to allowance for this examiner is 1030. This 1030 figure represents the middle point of the time required to move from filing to a patent grant. With 135 resolved cases, this median offers a benchmark for the duration of the prosecution process. These figures assist in managing expectations for both the timing and the results of applications in Art Unit 2858.

Written from this page's own data; every figure is computed from USPTO records and verified before publication.

Performance Statistics

80.9%
Allow Rate
+20.9% vs TC avg
181
Total Applications
+16.1%
Interview Lift
1033
Avg Prosecution Days
Based on 136 resolved cases, 2023–2026

Rejection Statute Breakdown

10.2%
§101 Eligibility
21.1%
§102 Novelty
59.1%
§103 Obviousness
8.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18662244 METHOD OF OPTIMIZING OVERLAY MEASUREMENT CONDITION AND OVERLAY MEASUREMENT METHOD USING OVERLAY MEASUREMENT CONDITION Non-Final OA Samsung Electronics Co., Ltd.
18743965 CONTINUOUS SOURCE REFLECTION SEISMOLOGY FRAMEWORK Non-Final OA Schlumberger Technology Corporation
18257967 DYNAMIC ADJUSTMENTS OF DRILLING PARAMETER LIMITS Non-Final OA Schlumberger Technology Corporation
18665565 CONTROLLER FOR HEATING SYSTEM, VEHICLE INCLUDING THE SAME, AND METHOD FOR MANAGING HEAT MEDIUM Non-Final OA TOYOTA JIDOSHA KABUSHIKI KAISHA
18345469 INSPECTION DEVICE FOR DISPLAY APPARATUS AND INSPECTION METHOD FOR DISPLAY APPARATUS Non-Final OA Samsung Display Co., Ltd.
18221170 CAPACITIVE SENSOR FOR DETECTING A FLUID LEVEL WITHIN A MOVABLE FLUID TANK OF A DOMESTIC APPLIANCE Final Rejection ILLINOIS TOOL WORKS INC.
18283261 Device and Method for Predicting Low Voltage Failure of Secondary Battery, and Battery Control System Comprising Same Device Final Rejection LG Chem, Ltd.
17821389 TIME-TO-DEPTH SEISMIC CONVERSION USING PROBABILISTIC MACHINE LEARNING Final Rejection SAUDI ARABIAN OIL COMPANY
18476099 Staging, Paging, and Engagement System for Real-Time Management for Patients at Risk for Cardiogenic Shock Final Rejection Mayo Foundation for Medical Education and Research
17774169 Battery Performance Prediction Non-Final OA BASF SE
18711921 EQUIPMENT PERFORMANCE CALCULATION DEVICE Non-Final OA NTT DOCOMO, INC.
18035769 EQUIPMENT AND METHODS FOR EVALUATING THE CHARACTERISTICS OF SPATIAL MULTIPLEX OPTICAL TRANSMISSION LINES Non-Final OA NTT, Inc.
18479566 INTEGRATED FLUID LEAK DETECTION USING MULTIPLE SENSORS Final Rejection Chevron U.S.A. Inc.
18658773 Machine Sensor Configuration System Non-Final OA Caterpillar Inc.
18178100 SYSTEMS AND METHODS FOR DETERMINING A COMBINATION OF SENSOR MODALITIES BASED ON ENVIRONMENTAL CONDITIONS Non-Final OA Caterpillar Inc.
18242789 INFORMATION PROCESSING APPARATUS, INFORMATION PROCESSING METHOD, AND COMPUTER-READABLE RECORDING MEDIUM Non-Final OA Yokogawa Electric Corporation
18329907 FLUID COMPOSITION SENSOR Non-Final OA Cypress Semiconductor Corporation
18584834 METHOD FOR DETECTING ANOMALIES OF LIDAR POINT CLOUD DATA AND RELATED DEVICE Non-Final OA Yinwang Intelligent Technologies Co., Ltd.
17985506 SYSTEMS AND METHODS FOR AUTOMATICALLY IDENTIFYING, ANALYZING AND REDUCING EXTRANEOUS WAVEFORM CAPTURES Final Rejection Schneider Electric USA, Inc.
18545435 SYSTEMS AND METHODS FOR DETERMINING WELD QUALITY AND PROPERTIES IN RESISTANCE SPOT WELDING Non-Final OA UT-Battelle, LLC
18627275 ROBOTICALLY MANIPULATED SENSORS FOR AGRICULTURAL HABITATS Non-Final OA Sensei Ag Holdings, Inc.
18434529 MAGNETIC PARTICLE IMAGING (MPI) RECONSTRUCTION METHOD BASED ON TIME-DOMAIN SYSTEM MATRIX AND X-SPACE Non-Final OA Shandong University
18424540 METHOD OF QUANTIFYING STATIC AND DYNAMIC ROCK MECHANICAL PROPERTIES Final Rejection Aramco Services Company
18697356 CHARACTERIZATION OF INTERACTIONS BETWEEN COMPOUNDS AND POLYMERS USING NEGATIVE POSE DATA AND MODEL CONDITIONING Non-Final OA Atomwise Inc.

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