Prosecution Insights
Last updated: October 27, 2026

Dilara Sultana, USPTO Patent Examiner

Listed by the USPTO as SULTANA, DILARA

Tech Center 4100 • Art Units: 2858 2867 3791 4100

This examiner grants 81% of resolved cases

Analysis

Sultana, Dilara is assigned to Tech Center 4100 and Art Unit 2858. The record covers 141 resolved cases, with an allowance rate of 80.9%. This provides practitioners with a defined record for assessing prosecution expectations and tailoring claim presentation to the relevant examination context.

The interview lift is 16.2%, indicating an association between interviews and improved allowance outcomes in the reported cases. The median time to allowance is 1050 days. The listed companies are Caterpillar, Samsung Electronics, and Schlumberger Technology. The listed firms include BakerHostetler, HARNESS DICKEY, and the Law Office of David H. Judson.

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
195
Total Applications
+16.2%
Interview Lift
1050
Avg Prosecution Days
Based on 141 resolved cases, 2023–2026

Rejection Statute Breakdown

11.4%
§101 Eligibility
22.1%
§102 Novelty
55.8%
§103 Obviousness
9.8%
§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.
18257967 DYNAMIC ADJUSTMENTS OF DRILLING PARAMETER LIMITS Non-Final OA Schlumberger Technology Corporation
18527635 TIME-OF-FLIGHT IMAGING APPARATUS AND TIME-OF-FLIGHT IMAGING METHOD Final Rejection Sony Semiconductor Solutions Corporation
18624809 PREDICTION ACCURACY EVALUATION METHOD AND PREDICTION ACCURACY EVALUATION SYSTEM Final Rejection TOYOTA JIDOSHA KABUSHIKI KAISHA
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
18035769 EQUIPMENT AND METHODS FOR EVALUATING THE CHARACTERISTICS OF SPATIAL MULTIPLEX OPTICAL TRANSMISSION LINES Non-Final OA NTT, 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.
17774169 Battery Performance Prediction Non-Final OA BASF SE
18329907 FLUID COMPOSITION SENSOR Non-Final OA Cypress Semiconductor Corporation
18160778 INSPECTION DEVICE, LEARNED MODEL GENERATION METHOD, AND INSPECTION METHOD Non-Final OA ANRITSU CORPORATION
17985506 SYSTEMS AND METHODS FOR AUTOMATICALLY IDENTIFYING, ANALYZING AND REDUCING EXTRANEOUS WAVEFORM CAPTURES Final Rejection Schneider Electric USA, Inc.

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Frequently Asked Questions

What is examiner Dilara Sultana's allowance rate?

80.9% of resolved applications examined by Dilara Sultana were allowed (141 resolved cases), compared with 83.6% across Art Unit 2858 over the last five years.

Does an interview help with examiner Dilara Sultana?

This examiner's interview lift is +16.2 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Dilara Sultana take to allow a patent?

Applications allowed by Dilara Sultana took 1,050 days on average from filing to allowance.

Which art unit does examiner Dilara Sultana work in?

Dilara Sultana examines applications in Art Unit 2858 in Tech Center 4100.

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