Prosecution Insights
Last updated: October 02, 2026

Examiner: DUDA, RINA I

Tech Center 2800 • Art Units: 2837 2846

This examiner grants 80% of resolved cases

Analysis

Rina I. Duda is an examiner in Art Unit 2837 of Tech Center 2800, with 1019 resolved cases. The examiner maintains an allowance rate of 80.2%, indicating a favorable environment for applicants. The median days to allowance is 886, which reflects an efficient timeline for prosecution.

The interview lift is 10.1%, showing that interviews provide a benefit even with the 80.2% baseline allowance rate. Practitioners can use this 10.1% lift to further ensure a positive outcome. The 1019 resolved cases make these metrics exceptionally reliable for those navigating Tech Center 2800.

In Art Unit 2837, the 80.2% allowance rate and 886-day median timeline represent a favorable environment for patent prosecution. The 10.1% interview lift is a tactical tool available to applicants. These figures offer a clear and data-grounded view of the examiner's history.

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

Performance Statistics

80.2%
Allow Rate
+12.2% vs TC avg
1,040
Total Applications
+10.1%
Interview Lift
886
Avg Prosecution Days
Based on 1019 resolved cases, 2023–2026

Rejection Statute Breakdown

4.2%
§101 Eligibility
33.0%
§102 Novelty
37.9%
§103 Obviousness
18.4%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18331599 DEVICE AND METHOD FOR ESTIMATING INTERNAL TEMPERATURE OF ELECTRIC MOTOR AND CONTROL DEVICE FOR ELECTRIC MOTOR Final Rejection Toyota Jidosha Kabushiki Kaisha
18542753 CONTROL DEVICE AND COMMUNICATION METHOD IN CONTROL DEVICE Final Rejection Honda Motor Co., Ltd.
18645787 GENERATIVE ARTIFICIAL INTELLIGENCE SYSTEM FOR PASSENGERS Non-Final OA Otis Elevator Company
18631906 EARTHQUAKE PORTFOILIO MANAGEMENT Non-Final OA Otis Elevator Company
18397704 SYSTEM AND METHOD OF MONITORING AN ELEVATOR BELT FOR WEAR Non-Final OA OTIS ELEVATOR COMPANY
18364100 POWER CONTROL SYSTEM Final Rejection Otis Elevator Company
18563939 ELEVATOR CAMERA ADJUSTMENT ASSISTANCE SYSTEM Final Rejection Mitsubishi Electric Corporation
17795544 MULTI-CAR ELEVATOR CONTROL DEVICE Non-Final OA Mitsubishi Electric Corporation
18712742 SYSTEM AND METHOD FOR DETERMINING THE POSITION OF AN ELEVATOR CAR OF AN ELEVATOR UNIT, THE ELEVATOR CAR BEING MOVABLE IN AN ELEVATOR SHAFT Non-Final OA Inventio AG
18709046 METHOD OF OPERATING AN ELEVATOR SYSTEM AND ELEVATOR SYSTEM Non-Final OA Inventio AG
18571283 METHOD FOR ADAPTING A COUNTERWEIGHT OF AN ELEVATOR SYSTEM Non-Final OA Inventio AG
18254388 MOBILE DEVICE, GUARD UNIT, AND METHOD FOR ENSURING THE PERFORMANCE OF A SAFETY ACTIVITY FOR AN ELEVATOR Non-Final OA Inventio AG
18248877 ELEVATOR INSTALLATION FOR SERVING PUBLIC AND NON-PUBLIC BUILDING ZONES Final Rejection Inventio AG
18003162 ILLUMINATION DEVICE FOR AN ELEVATOR SYSTEM AND METHOD FOR ILLUMINATING AN ELEVATOR SHAFT Non-Final OA Inventio AG
18441188 CONTROL SYSTEM AND METHOD Non-Final OA Cypress Semiconductor Corporation
18653082 RECTIFIER WITH SIGNAL RECONSTRUCTION Non-Final OA Texas Instruments Incorporated
18656975 ELEVATOR ARRANGEMENT AND METHOD OF OPERATING ELEVATOR Non-Final OA KONE Corporation
18656674 SYSTEM FOR A TRANSPORT SYSTEM COMPRISING AN ELEVATOR, AN ESCALATOR OR A MOVING WALK Non-Final OA KONE Corporation
18429617 MONITORING ELEVATOR DOOR OPERATION Non-Final OA KONE Corporation
18386496 ELEVATOR CONTROL Non-Final OA KONE Corporation
18072853 SOLUTION FOR CONTROLLING PASSENGER FLOW Non-Final OA KONE Corporation
18278395 METHOD OF CONTROLLING A BRUSHLESS PERMANENT MAGNET MOTOR Non-Final OA Dyson Technology Limited

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