Prosecution Insights
Last updated: October 02, 2026

Examiner: HELLNER, MARK

Tech Center 4100 • Art Units: 3645 3663 4100

This examiner grants 90% of resolved cases

Analysis

Mark Hellner is an examiner in Tech Center 4100 and Art Unit 3645, where 1509 resolved cases have been processed. The allowance rate for these applications is 90.4 percent. This rate provides a baseline for the probability of allowance for cases assigned to this examiner. Understanding this 90.4 percent outcome is a factor for setting expectations during prosecution.

The interview lift is 8.5 percent. This figure indicates the change in allowance probability when an interview is conducted compared to the baseline. For practitioners, this 8.5 percent suggests that direct communication is a tool to consider in Art Unit 3645. The data indicates how the examiner responds to verbal advocacy among the 1509 resolved cases. Engaging in such dialogue is a factor in navigating the prosecution requirements of this art unit.

The median days to allowance is 976. This timeline represents the typical duration from filing to an allowed outcome. When planning for prosecution, practitioners should factor in this 976-day period. These metrics offer a data-grounded perspective on the prosecution environment in Tech Center 4100. This information allows for an informed approach to managing applications under this examiner's review.

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

Performance Statistics

90.4%
Allow Rate
+30.4% vs TC avg
1,530
Total Applications
+8.5%
Interview Lift
976
Avg Prosecution Days
Based on 1509 resolved cases, 2023–2026

Rejection Statute Breakdown

2.3%
§101 Eligibility
29.0%
§102 Novelty
44.1%
§103 Obviousness
13.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18760113 DISTANCE MEASUREMENT DEVICE Non-Final OA FUJIFILM CORPORATION
18585027 LIGHT EMITTING APPARATUS, DRIVE DEVICE, AND DISTANCE MEASUREMENT APPARATUS Non-Final OA FUJIFILM Business Innovation Corp.
18611907 LIDAR CLEANING SYSTEM Non-Final OA Robert Bosch GmbH
18887199 DISTANCE MEASUREMENT DEVICE AND EQUIPMENT Non-Final OA CANON KABUSHIKI KAISHA
18883111 RANGING APPARATUS, RANGING SYSTEM, MOVING BODY, AND DEVICE Non-Final OA CANON KABUSHIKI KAISHA
18761080 PHOTOELECTRIC CONVERSION APPARATUS AND OPTICAL DETECTION SYSTEM Non-Final OA CANON KABUSHIKI KAISHA
18790040 DISTANCE DETECTOR, DISTANCE DETECTION METHOD, AND COMPUTER-READABLE MEDIUM Non-Final OA NIKON CORPORATION
18720014 DISTANCE MEASURING DEVICE AND ELECTRONIC DEVICE Non-Final OA SONY SEMICONDUCTOR SOLUTIONS CORPORATION
18684242 LIGHT-EMITTING DEVICE AND RANGING DEVICE Non-Final OA SONY SEMICONDUCTOR SOLUTIONS CORPORATION
18373512 HYBRID 3D SENSING USING TIME-OF-FLIGHT, EVENT-BASED STRUCTURED LIGHT AND STEREO VISION Non-Final OA VOLKSWAGEN AKTIENGESELLSCHAFT
18787139 OBJECT DETECTION APPARATUS AND OBJECT DETECTION METHOD Non-Final OA DENSO CORPORATION
18779594 Light Detection using an Aperture Non-Final OA Waymo LLC
18680905 Compact LiDAR Sensor Non-Final OA Yinwang Intelligent Technologies Co., Ltd.
18418055 THREE-DIMENSIONAL RANGING MODULE AND THREE-DIMENSIONAL RANGING SYSTEM Non-Final OA Nuvoton Technology Corporation Japan
18186987 SENSOR UNIT, CONTROL METHOD, AND NON-TRANSITORY COMPUTER READABLE MEDIUM STORING PROGRAM Non-Final OA OMRON Corporation
18909176 Fiber Amplifier Having Dual Output Laser Diode Non-Final OA II-VI Delaware, Inc
18904216 ToF SYSTEM, CONTROL METHOD THEREOF, COMPUTER READABLE RECORDING MEDIUM, AND ToF APPARATUS Non-Final OA NIPPON CHEMI-CON CORPORATION
18784947 LASER DETECTION DEVICE Non-Final OA SUTENG INNOVATION TECHNOLOGY CO., LTD.
18389753 LIDAR CONTROLLING METHOD AND APPARATUS, TERMINAL DEVICE AND COMPUTER-READABLE STORAGE MEDIUM Non-Final OA SUTENG INNOVATION TECHNOLOGY CO., LTD.
18760760 SYSTEM AND METHOD FOR DETERMINING RANGES TO A TARGET BEHIND A TRANSPARENT SURFACE Final Rejection Aeva, Inc.
18700474 System and Method/Process for In-Field Measurements of Plant Crops Non-Final OA Agriculture Victoria Services Pty Ltd

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